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Operación binaria - Wikipedia

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vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Conteníu</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover a la barra llateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">despintar</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Entamu</div> </a> </li> <li id="toc-Notación" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Notación"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Notación</span> </div> </a> <ul id="toc-Notación-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Exemplu_d&#039;operación_binaria" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Exemplu_d&#039;operación_binaria"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Exemplu d'operación binaria</span> </div> </a> <ul id="toc-Exemplu_d&#039;operación_binaria-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tipos" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Tipos"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Tipos</span> </div> </a> <button aria-controls="toc-Tipos-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar subsección Tipos</span> </button> <ul id="toc-Tipos-sublist" class="vector-toc-list"> <li id="toc-Operación_binaria_interna" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Operación_binaria_interna"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Operación binaria interna</span> </div> </a> <ul id="toc-Operación_binaria_interna-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Operación_binaria_esterna" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Operación_binaria_esterna"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Operación binaria esterna</span> </div> </a> <ul id="toc-Operación_binaria_esterna-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Propiedaes_d&#039;una_operación_binaria" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Propiedaes_d&#039;una_operación_binaria"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Propiedaes d'una operación binaria</span> </div> </a> <button aria-controls="toc-Propiedaes_d&#039;una_operación_binaria-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar subsección Propiedaes d'una operación binaria</span> </button> <ul id="toc-Propiedaes_d&#039;una_operación_binaria-sublist" class="vector-toc-list"> <li id="toc-Conmutatividá" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Conmutatividá"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Conmutatividá</span> </div> </a> <ul id="toc-Conmutatividá-sublist" class="vector-toc-list"> <li id="toc-Anticonmutatividá" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Anticonmutatividá"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1.1</span> <span>Anticonmutatividá</span> </div> </a> <ul id="toc-Anticonmutatividá-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Asociatividá" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Asociatividá"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Asociatividá</span> </div> </a> <ul id="toc-Asociatividá-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Propiedaes_de_dos_operaciones_binaries" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Propiedaes_de_dos_operaciones_binaries"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Propiedaes de dos operaciones binaries</span> </div> </a> <button aria-controls="toc-Propiedaes_de_dos_operaciones_binaries-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar subsección Propiedaes de dos operaciones binaries</span> </button> <ul id="toc-Propiedaes_de_dos_operaciones_binaries-sublist" class="vector-toc-list"> <li id="toc-Distributividá" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Distributividá"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Distributividá</span> </div> </a> <ul id="toc-Distributividá-sublist" class="vector-toc-list"> <li id="toc-Distributividá_pela_esquierda" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Distributividá_pela_esquierda"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1.1</span> <span>Distributividá pela esquierda</span> </div> </a> <ul id="toc-Distributividá_pela_esquierda-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Distributividá_pela_derecha" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Distributividá_pela_derecha"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1.2</span> <span>Distributividá pela derecha</span> </div> </a> <ul id="toc-Distributividá_pela_derecha-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-Elementos_distinguidos" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Elementos_distinguidos"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Elementos distinguidos</span> </div> </a> <button aria-controls="toc-Elementos_distinguidos-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar subsección Elementos distinguidos</span> </button> <ul id="toc-Elementos_distinguidos-sublist" class="vector-toc-list"> <li id="toc-Elementu_neutru" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Elementu_neutru"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Elementu neutru</span> </div> </a> <ul id="toc-Elementu_neutru-sublist" class="vector-toc-list"> <li id="toc-Elementu_neutru_pela_derecha" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Elementu_neutru_pela_derecha"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1.1</span> <span>Elementu neutru pela derecha</span> </div> </a> <ul id="toc-Elementu_neutru_pela_derecha-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Elementu_neutru_pela_esquierda" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Elementu_neutru_pela_esquierda"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1.2</span> <span>Elementu neutru pela esquierda</span> </div> </a> <ul id="toc-Elementu_neutru_pela_esquierda-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Unicidá_del_elementu_neutru" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Unicidá_del_elementu_neutru"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1.3</span> <span>Unicidá del elementu neutru</span> </div> </a> <ul id="toc-Unicidá_del_elementu_neutru-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Elementu_simétricu" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Elementu_simétricu"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Elementu simétricu</span> </div> </a> <ul id="toc-Elementu_simétricu-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Elementu_involutivu" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Elementu_involutivu"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.3</span> <span>Elementu involutivu</span> </div> </a> <ul id="toc-Elementu_involutivu-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Elementu_absorbente" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Elementu_absorbente"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.4</span> <span>Elementu absorbente</span> </div> </a> <ul id="toc-Elementu_absorbente-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Operación_inversa" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Operación_inversa"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Operación inversa</span> </div> </a> <ul id="toc-Operación_inversa-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Otres_propiedaes" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Otres_propiedaes"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Otres propiedaes</span> </div> </a> <button aria-controls="toc-Otres_propiedaes-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar subsección Otres propiedaes</span> </button> <ul id="toc-Otres_propiedaes-sublist" class="vector-toc-list"> <li id="toc-Simplificación_o_cancelativa" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Simplificación_o_cancelativa"> <div class="vector-toc-text"> <span class="vector-toc-numb">8.1</span> <span>Simplificación o cancelativa</span> </div> </a> <ul id="toc-Simplificación_o_cancelativa-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Divisores_del_cero" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Divisores_del_cero"> <div class="vector-toc-text"> <span class="vector-toc-numb">8.2</span> <span>Divisores del cero</span> </div> </a> <ul id="toc-Divisores_del_cero-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Ver_tamién" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Ver_tamién"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Ver tamién</span> </div> </a> <ul id="toc-Ver_tamién-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referencies" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Referencies"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Referencies</span> </div> </a> <ul id="toc-Referencies-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Enllaces_esternos" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Enllaces_esternos"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>Enllaces esternos</span> </div> </a> <ul id="toc-Enllaces_esternos-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Conteníu" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Cambiar a la tabla de contenidos" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Cambiar a la tabla de contenidos</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Operación binaria</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ir a un artículo en otro idioma. Disponible en 64 idiomas" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-64" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">64 llingües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D9%85%D9%84%D9%8A%D8%A9_%D8%AB%D9%86%D8%A7%D8%A6%D9%8A%D8%A9" title="عملية ثنائية – árabe" lang="ar" hreflang="ar" data-title="عملية ثنائية" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%91%D1%96%D0%BD%D0%B0%D1%80%D0%BD%D0%B0%D1%8F_%D0%B0%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D1%8B%D1%8F" title="Бінарная аперацыя – bielorrusu" lang="be" hreflang="be" data-title="Бінарная аперацыя" data-language-autonym="Беларуская" data-language-local-name="bielorrusu" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%91%D0%B8%D0%BD%D0%B0%D1%80%D0%BD%D0%B0_%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D1%8F" title="Бинарна операция – búlgaru" lang="bg" hreflang="bg" data-title="Бинарна операция" data-language-autonym="Български" data-language-local-name="búlgaru" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%85%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%87%E0%A6%B6%E0%A6%A8_(%E0%A6%97%E0%A6%A3%E0%A6%BF%E0%A6%A4)" title="অপারেশন (গণিত) – bengalín" lang="bn" hreflang="bn" data-title="অপারেশন (গণিত)" data-language-autonym="বাংলা" data-language-local-name="bengalín" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Binarna_operacija" title="Binarna operacija – bosniu" lang="bs" hreflang="bs" data-title="Binarna operacija" data-language-autonym="Bosanski" data-language-local-name="bosniu" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Operaci%C3%B3_bin%C3%A0ria" title="Operació binària – catalán" lang="ca" hreflang="ca" data-title="Operació binària" data-language-autonym="Català" data-language-local-name="catalán" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%A9%D8%B1%D8%AF%D8%A7%D8%B1_(%D8%A8%DB%8C%D8%B1%DA%A9%D8%A7%D8%B1%DB%8C)" title="کردار (بیرکاری) – kurdu central" lang="ckb" hreflang="ckb" data-title="کردار (بیرکاری)" data-language-autonym="کوردی" data-language-local-name="kurdu central" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Bin%C3%A1rn%C3%AD_operace" title="Binární operace – checu" lang="cs" hreflang="cs" data-title="Binární operace" data-language-autonym="Čeština" data-language-local-name="checu" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%91%D0%B8%D0%BD%D0%B0%D1%80%D0%BB%C4%83_%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D0%B8" title="Бинарлă операци – chuvash" lang="cv" hreflang="cv" data-title="Бинарлă операци" data-language-autonym="Чӑвашла" data-language-local-name="chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Bin%C3%A6r_operator" title="Binær operator – danés" lang="da" hreflang="da" data-title="Binær operator" data-language-autonym="Dansk" data-language-local-name="danés" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Zweistellige_Verkn%C3%BCpfung" title="Zweistellige Verknüpfung – alemán" lang="de" hreflang="de" data-title="Zweistellige Verknüpfung" data-language-autonym="Deutsch" data-language-local-name="alemán" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%94%CF%85%CE%B1%CE%B4%CE%B9%CE%BA%CE%AE_%CF%80%CF%81%CE%AC%CE%BE%CE%B7" title="Δυαδική πράξη – griegu" lang="el" hreflang="el" data-title="Δυαδική πράξη" data-language-autonym="Ελληνικά" data-language-local-name="griegu" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Binary_operation" title="Binary operation – inglés" lang="en" hreflang="en" data-title="Binary operation" data-language-autonym="English" data-language-local-name="inglés" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Duvalenta_operacio" title="Duvalenta operacio – esperanto" lang="eo" hreflang="eo" data-title="Duvalenta operacio" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Operaci%C3%B3n_binaria" title="Operación binaria – español" lang="es" hreflang="es" data-title="Operación binaria" data-language-autonym="Español" data-language-local-name="español" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Binaarne_tehe" title="Binaarne tehe – estoniu" lang="et" hreflang="et" data-title="Binaarne tehe" data-language-autonym="Eesti" data-language-local-name="estoniu" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Eragiketa_bitar" title="Eragiketa bitar – vascu" lang="eu" hreflang="eu" data-title="Eragiketa bitar" data-language-autonym="Euskara" data-language-local-name="vascu" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B9%D9%85%D9%84_%D8%AF%D9%88%D8%AA%D8%A7%DB%8C%DB%8C" title="عمل دوتایی – persa" lang="fa" hreflang="fa" data-title="عمل دوتایی" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Bin%C3%A4%C3%A4rioperaatio" title="Binäärioperaatio – finlandés" lang="fi" hreflang="fi" data-title="Binäärioperaatio" data-language-autonym="Suomi" data-language-local-name="finlandés" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Op%C3%A9ration_binaire" title="Opération binaire – francés" lang="fr" hreflang="fr" data-title="Opération binaire" data-language-autonym="Français" data-language-local-name="francés" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Obrachadh_c%C3%A0raideach" title="Obrachadh càraideach – gaélicu escocés" lang="gd" hreflang="gd" data-title="Obrachadh càraideach" data-language-autonym="Gàidhlig" data-language-local-name="gaélicu escocés" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Operaci%C3%B3n_binaria" title="Operación binaria – gallegu" lang="gl" hreflang="gl" data-title="Operación binaria" data-language-autonym="Galego" data-language-local-name="gallegu" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%A2%D7%95%D7%9C%D7%94_%D7%91%D7%99%D7%A0%D7%90%D7%A8%D7%99%D7%AA" title="פעולה בינארית – hebréu" lang="he" hreflang="he" data-title="פעולה בינארית" data-language-autonym="עברית" data-language-local-name="hebréu" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Binarna_operacija" title="Binarna operacija – croata" lang="hr" hreflang="hr" data-title="Binarna operacija" data-language-autonym="Hrvatski" data-language-local-name="croata" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Operation_binari" title="Operation binari – interlingua" lang="ia" hreflang="ia" data-title="Operation binari" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Operasi_biner" title="Operasi biner – indonesiu" lang="id" hreflang="id" data-title="Operasi biner" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiu" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/A%C3%B0ger%C3%B0_(st%C3%A6r%C3%B0fr%C3%A6%C3%B0i)" title="Aðgerð (stærðfræði) – islandés" lang="is" hreflang="is" data-title="Aðgerð (stærðfræði)" data-language-autonym="Íslenska" data-language-local-name="islandés" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Operazione_binaria" title="Operazione binaria – italianu" lang="it" hreflang="it" data-title="Operazione binaria" data-language-autonym="Italiano" data-language-local-name="italianu" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E4%BA%8C%E9%A0%85%E6%BC%94%E7%AE%97" title="二項演算 – xaponés" lang="ja" hreflang="ja" data-title="二項演算" data-language-autonym="日本語" data-language-local-name="xaponés" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko badge-Q70893996 mw-list-item" title=""><a href="https://ko.wikipedia.org/wiki/%EC%9D%B4%ED%95%AD_%EC%97%B0%EC%82%B0" title="이항 연산 – coreanu" lang="ko" hreflang="ko" data-title="이항 연산" data-language-autonym="한국어" data-language-local-name="coreanu" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Kiryar_(matemat%C3%AEk)" title="Kiryar (matematîk) – curdu" lang="ku" hreflang="ku" data-title="Kiryar (matematîk)" data-language-autonym="Kurdî" data-language-local-name="curdu" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Bin%C4%81ra_oper%C4%81cija" title="Bināra operācija – letón" lang="lv" hreflang="lv" data-title="Bināra operācija" data-language-autonym="Latviešu" data-language-local-name="letón" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Operasi_biner" title="Operasi biner – minangkabau" lang="min" hreflang="min" data-title="Operasi biner" data-language-autonym="Minangkabau" data-language-local-name="minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A6%E0%B5%8D%E0%B4%B5%E0%B4%AF%E0%B4%BE%E0%B4%99%E0%B5%8D%E0%B4%95%E0%B4%B8%E0%B4%82%E0%B4%95%E0%B5%8D%E0%B4%B0%E0%B4%BF%E0%B4%AF" title="ദ്വയാങ്കസംക്രിയ – malayalam" lang="ml" hreflang="ml" data-title="ദ്വയാങ്കസംക്രിയ" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Operasi_dedua" title="Operasi dedua – malayu" lang="ms" hreflang="ms" data-title="Operasi dedua" data-language-autonym="Bahasa Melayu" data-language-local-name="malayu" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Binaire_operatie" title="Binaire operatie – neerlandés" lang="nl" hreflang="nl" data-title="Binaire operatie" data-language-autonym="Nederlands" data-language-local-name="neerlandés" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Bin%C3%A6r_operasjon" title="Binær operasjon – noruegu Nynorsk" lang="nn" hreflang="nn" data-title="Binær operasjon" data-language-autonym="Norsk nynorsk" data-language-local-name="noruegu Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Bin%C3%A6r_operasjon" title="Binær operasjon – noruegu Bokmål" lang="nb" hreflang="nb" data-title="Binær operasjon" data-language-autonym="Norsk bokmål" data-language-local-name="noruegu Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/L%C3%A8i_de_composicion_int%C3%A8rna" title="Lèi de composicion intèrna – occitanu" lang="oc" hreflang="oc" data-title="Lèi de composicion intèrna" data-language-autonym="Occitan" data-language-local-name="occitanu" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Dzia%C5%82anie_dwuargumentowe" title="Działanie dwuargumentowe – polacu" lang="pl" hreflang="pl" data-title="Działanie dwuargumentowe" data-language-autonym="Polski" data-language-local-name="polacu" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Operassion" title="Operassion – piamontés" lang="pms" hreflang="pms" data-title="Operassion" data-language-autonym="Piemontèis" data-language-local-name="piamontés" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Opera%C3%A7%C3%A3o_bin%C3%A1ria" title="Operação binária – portugués" lang="pt" hreflang="pt" data-title="Operação binária" data-language-autonym="Português" data-language-local-name="portugués" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Opera%C8%9Bie_binar%C4%83" title="Operație binară – rumanu" lang="ro" hreflang="ro" data-title="Operație binară" data-language-autonym="Română" data-language-local-name="rumanu" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%91%D0%B8%D0%BD%D0%B0%D1%80%D0%BD%D0%B0%D1%8F_%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D1%8F" title="Бинарная операция – rusu" lang="ru" hreflang="ru" data-title="Бинарная операция" data-language-autonym="Русский" data-language-local-name="rusu" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Opirazzioni_binaria" title="Opirazzioni binaria – sicilianu" lang="scn" hreflang="scn" data-title="Opirazzioni binaria" data-language-autonym="Sicilianu" data-language-local-name="sicilianu" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Binarna_operacija" title="Binarna operacija – serbo-croata" lang="sh" hreflang="sh" data-title="Binarna operacija" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croata" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Binary_operation" title="Binary operation – Simple English" lang="en-simple" hreflang="en-simple" data-title="Binary operation" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Bin%C3%A1rna_oper%C3%A1cia" title="Binárna operácia – eslovacu" lang="sk" hreflang="sk" data-title="Binárna operácia" data-language-autonym="Slovenčina" data-language-local-name="eslovacu" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Dvo%C4%8Dlena_operacija" title="Dvočlena operacija – eslovenu" lang="sl" hreflang="sl" data-title="Dvočlena operacija" data-language-autonym="Slovenščina" data-language-local-name="eslovenu" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Veprimi_binar" title="Veprimi binar – albanu" lang="sq" hreflang="sq" data-title="Veprimi binar" data-language-autonym="Shqip" data-language-local-name="albanu" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%91%D0%B8%D0%BD%D0%B0%D1%80%D0%BD%D0%B0_%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D1%98%D0%B0" title="Бинарна операција – serbiu" lang="sr" hreflang="sr" data-title="Бинарна операција" data-language-autonym="Српски / srpski" data-language-local-name="serbiu" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Bin%C3%A4r_operator" title="Binär operator – suecu" lang="sv" hreflang="sv" data-title="Binär operator" data-language-autonym="Svenska" data-language-local-name="suecu" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%88%E0%AE%B0%E0%AF%81%E0%AE%B1%E0%AF%81%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%9A%E0%AF%8D_%E0%AE%9A%E0%AF%86%E0%AE%AF%E0%AE%B2%E0%AE%BF" title="ஈருறுப்புச் செயலி – tamil" lang="ta" hreflang="ta" data-title="ஈருறுப்புச் செயலி" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%94%E0%B8%B3%E0%B9%80%E0%B8%99%E0%B8%B4%E0%B8%99%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%97%E0%B8%A7%E0%B8%B4%E0%B8%A0%E0%B8%B2%E0%B8%84" title="การดำเนินการทวิภาค – tailandés" lang="th" hreflang="th" data-title="การดำเนินการทวิภาค" data-language-autonym="ไทย" data-language-local-name="tailandés" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Operasyong_tambalan" title="Operasyong tambalan – tagalog" lang="tl" hreflang="tl" data-title="Operasyong tambalan" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/%C4%B0kili_i%C5%9Flem" title="İkili işlem – turcu" lang="tr" hreflang="tr" data-title="İkili işlem" data-language-autonym="Türkçe" data-language-local-name="turcu" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%91%D1%96%D0%BD%D0%B0%D1%80%D0%BD%D0%B0_%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D1%96%D1%8F" title="Бінарна операція – ucraín" lang="uk" hreflang="uk" data-title="Бінарна операція" data-language-autonym="Українська" data-language-local-name="ucraín" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ph%C3%A9p_to%C3%A1n_hai_ng%C3%B4i" title="Phép toán hai ngôi – vietnamín" lang="vi" hreflang="vi" data-title="Phép toán hai ngôi" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamín" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E4%BA%8C%E5%85%83%E8%BF%90%E7%AE%97" title="二元运算 – chinu wu" lang="wuu" hreflang="wuu" data-title="二元运算" data-language-autonym="吴语" data-language-local-name="chinu wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%91%D0%B8%D0%BD%D0%B0%D1%80%D0%BD_%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D1%8F" title="Бинарн операция – calmuco" lang="xal" hreflang="xal" data-title="Бинарн операция" data-language-autonym="Хальмг" data-language-local-name="calmuco" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%91%D7%99%D7%A0%D7%90%D7%A8%D7%99%D7%A9%D7%A2_%D7%90%D7%A4%D7%A2%D7%A8%D7%90%D7%A6%D7%99%D7%A2" title="בינארישע אפעראציע – yiddish" lang="yi" hreflang="yi" data-title="בינארישע אפעראציע" data-language-autonym="ייִדיש" data-language-local-name="yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%BA%8C%E5%85%83%E8%BF%90%E7%AE%97" title="二元运算 – chinu" lang="zh" hreflang="zh" data-title="二元运算" data-language-autonym="中文" data-language-local-name="chinu" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E4%BA%8C%E5%85%83%E9%81%8B%E7%AE%97" title="二元運算 – chinu lliterariu" lang="lzh" hreflang="lzh" data-title="二元運算" data-language-autonym="文言" data-language-local-name="chinu lliterariu" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E4%BA%8C%E5%85%83%E9%81%8B%E7%AE%97" title="二元運算 – cantonés" lang="yue" hreflang="yue" data-title="二元運算" data-language-autonym="粵語" data-language-local-name="cantonés" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q164307#sitelinks-wikipedia" title="Editar los enllaces d&#039;interllingua" class="wbc-editpage">Editar los enllaces</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espacios de nome"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Operaci%C3%B3n_binaria" title="Ver la páxina de conteníu [c]" accesskey="c"><span>Páxina</span></a></li><li id="ca-talk" class="new 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alt="Traducir" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" data-file-width="158" data-file-height="161" /></a></span> y partial binary operation <sup>(en)</sup> <span class="mw-valign-baseline skin-invert" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q97152408?uselang=ast" title="Traducir"><img alt="Traducir" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" data-file-width="158" data-file-height="161" /></a></span></td></tr><tr><td colspan="2" style="text-align:center"> <span typeof="mw:File"><a href="/wiki/Ficheru:Binary_operations_as_black_box.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Binary_operations_as_black_box.svg/260px-Binary_operations_as_black_box.svg.png" decoding="async" width="260" height="260" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Binary_operations_as_black_box.svg/390px-Binary_operations_as_black_box.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/Binary_operations_as_black_box.svg/520px-Binary_operations_as_black_box.svg.png 2x" data-file-width="142" data-file-height="142" /></a></span></td></tr><tr><td colspan="2" style="text-align:center"> <table style="width:100%; text-align:center; background-color:transparent; border:0; margin:0; padding:0;"> <tbody><tr><td style="width:33%; padding:0.2em 0.1em 0.2em 0;vertical-align: middle;"><span style="font-style:;"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q657596" class="extiw" title="d:Special:EntityPage/Q657596">operación unaria</a> <sup>(es)</sup> <span class="mw-valign-baseline skin-invert" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q657596?uselang=ast" title="Traducir"><img alt="Traducir" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" data-file-width="158" data-file-height="161" /></a></span></span></td> <td style="padding:0.2em 0.1em; background-color:#ABD2D0; vertical-align: middle;"><span style="font-weight:bold; font-style:;">Operación binaria</span></td> <td style="width:33%; padding:0.2em 0 0.2em 0.1em;vertical-align: middle;"><span style="font-style:;"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1524945" class="extiw" title="d:Special:EntityPage/Q1524945">operación ternaria</a> <sup>(es)</sup> <span class="mw-valign-baseline skin-invert" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q1524945?uselang=ast" title="Traducir"><img alt="Traducir" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" data-file-width="158" data-file-height="161" /></a></span></span></td> </tr></tbody></table></td></tr><tr><td colspan="2" style="text-align:right"><span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q164307" title="Cambiar los datos en Wikidata"><img alt="Cambiar los datos en Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/12px-Arbcom_ru_editing.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/18px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/24px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Ficheru:Operaci%C3%B3n_binaria_1.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Operaci%C3%B3n_binaria_1.svg/220px-Operaci%C3%B3n_binaria_1.svg.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Operaci%C3%B3n_binaria_1.svg/330px-Operaci%C3%B3n_binaria_1.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Operaci%C3%B3n_binaria_1.svg/440px-Operaci%C3%B3n_binaria_1.svg.png 2x" data-file-width="500" data-file-height="500" /></a><figcaption>Esquema d'una operación binaria.</figcaption></figure> <p>Defínese como <b>operación binaria</b> (o llei de composición)​ aquella <a href="/w/index.php?title=Operaci%C3%B3n_matem%C3%A1tica&amp;action=edit&amp;redlink=1" class="new" title="Operación matemática (la páxina nun esiste)">operación matemática</a>, que precisa de l'operador y dos operandos (argumentos) por el que calculese un valor.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> </p><p>Formalmente, daos trés conxuntos <i>A</i>, <i>B</i> y <i>C</i> una operación binaria <a href="/wiki/Multiplicaci%C3%B3n" title="Multiplicación">productu</a>, representando la operación pol signu ∘ , ye una aplicación qu'asigna a cada par de valores <i>a</i> de <i>A</i> y <i>b</i> de <i>B</i> un solu valor <i>c</i> de <i>C</i>, que podemos representar: </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}\circ :&amp;A\times B&amp;\longrightarrow &amp;C\\&amp;(a,b)&amp;\longmapsto &amp;c\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x2218;<!-- ∘ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>B</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>C</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}\circ :&amp;A\times B&amp;\longrightarrow &amp;C\\&amp;(a,b)&amp;\longmapsto &amp;c\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1e183b798f9e06de125ab5ffe6912c6266ea0324" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:22.093ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}\circ :&amp;A\times B&amp;\longrightarrow &amp;C\\&amp;(a,b)&amp;\longmapsto &amp;c\end{array}}}"></span> </p><p>En particular, <i>A</i>, <i>B</i> y <i>C</i> podríen ser el mesmu <a href="/wiki/Conxuntu" title="Conxuntu">conxuntu</a>, que denotamos <i>A</i>. Polo tanto, una operación binaria nel conxuntu <i>A</i> ye una <a href="/wiki/Funci%C3%B3n_matem%C3%A1tica" title="Función matemática">aplicación</a> d'elementos del <a href="/w/index.php?title=Productu_cartesianu&amp;action=edit&amp;redlink=1" class="new" title="Productu cartesianu (la páxina nun esiste)">productu cartesianu</a> <i>A×A</i> na <i>A</i>. </p><p>Esisten dos tipos d'operaciones binaries, les operaciones binaries internes y les operaciones binaries esternes. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Notación"><span id="Notaci.C3.B3n"></span>Notación</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=1" title="Editar seición: Notación" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=1" title="Editar el código fuente de la sección: Notación"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Una operación binaria ∘ ente dos elementos, <i>a</i> y <i>b</i>, de dos conxuntos, <i>A</i> y <i>B</i>, puede denotase por: </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\circ b=c\;,\quad \circ (a,b)=c\;,\quad (a,b)\xrightarrow {\circ } c}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>&#x2218;<!-- ∘ --></mo> <mi>b</mi> <mo>=</mo> <mi>c</mi> <mspace width="thickmathspace" /> <mo>,</mo> <mspace width="1em" /> <mo>&#x2218;<!-- ∘ --></mo> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mi>c</mi> <mspace width="thickmathspace" /> <mo>,</mo> <mspace width="1em" /> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> <mover> <mo>&#x2192;</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <mo>&#x2218;<!-- ∘ --></mo> </mpadded> </mover> <mi>c</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\circ b=c\;,\quad \circ (a,b)=c\;,\quad (a,b)\xrightarrow {\circ } c}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/912b36cefa259e96d7a59a491f2dc00ba365a257" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; margin-top: -0.31ex; width:36.561ex; height:3.676ex;" alt="{\displaystyle a\circ b=c\;,\quad \circ (a,b)=c\;,\quad (a,b)\xrightarrow {\circ } c}"></span> </p><p>siendo la primera la más común. </p> <div class="mw-heading mw-heading2"><h2 id="Exemplu_d'operación_binaria"><span id="Exemplu_d.27operaci.C3.B3n_binaria"></span>Exemplu d'operación binaria</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=2" title="Editar seición: Exemplu d&#039;operación binaria" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=2" title="Editar el código fuente de la sección: Exemplu d&#039;operación binaria"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La <a href="/wiki/Adici%C3%B3n_(matem%C3%A1tica)" title="Adición (matemática)">suma</a> (+) de <a href="/wiki/N%C3%BAmberu_natural" title="Númberu natural">númberos naturales</a> ye un exemplu d'operación binaria interna nel conxunto <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle N}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>N</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle N}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f5e3890c981ae85503089652feb48b191b57aae3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.064ex; height:2.176ex;" alt="{\displaystyle N}"></span>. </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}+:&amp;N\times N&amp;\longrightarrow &amp;N\\&amp;(a,b)&amp;\longmapsto &amp;c=a+b\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>+</mo> <mo>:</mo> </mtd> <mtd> <mi>N</mi> <mo>&#x00D7;<!-- × --></mo> <mi>N</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>N</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>+</mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}+:&amp;N\times N&amp;\longrightarrow &amp;N\\&amp;(a,b)&amp;\longmapsto &amp;c=a+b\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/571c20321e2e30cb5cb6632ead465d6dcb50ba7a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:30.766ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}+:&amp;N\times N&amp;\longrightarrow &amp;N\\&amp;(a,b)&amp;\longmapsto &amp;c=a+b\end{array}}}"></span> </p><p>y tenemos que: </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle 2+3=5\;,\quad +(2,3)=5\;,\quad (2,3)\xrightarrow {+} 5}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>2</mn> <mo>+</mo> <mn>3</mn> <mo>=</mo> <mn>5</mn> <mspace width="thickmathspace" /> <mo>,</mo> <mspace width="1em" /> <mo>+</mo> <mo stretchy="false">(</mo> <mn>2</mn> <mo>,</mo> <mn>3</mn> <mo stretchy="false">)</mo> <mo>=</mo> <mn>5</mn> <mspace width="thickmathspace" /> <mo>,</mo> <mspace width="1em" /> <mo stretchy="false">(</mo> <mn>2</mn> <mo>,</mo> <mn>3</mn> <mo stretchy="false">)</mo> <mover> <mo>&#x2192;</mo> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <mo>+</mo> </mpadded> </mover> <mn>5</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 2+3=5\;,\quad +(2,3)=5\;,\quad (2,3)\xrightarrow {+} 5}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/da66fe1996c8ff3a562190bb5be241dcc7fb1760" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; margin-top: -0.326ex; width:38.89ex; height:4.009ex;" alt="{\displaystyle 2+3=5\;,\quad +(2,3)=5\;,\quad (2,3)\xrightarrow {+} 5}"></span> </p> <div class="mw-heading mw-heading2"><h2 id="Tipos">Tipos</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=3" title="Editar seición: Tipos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=3" title="Editar el código fuente de la sección: Tipos"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Según los conxuntos A, B y C podemos estremar dos tipos d'operaciones, les internes nes qu'A = B = C, y les esternes que son toles demás. Denomínase <a href="/w/index.php?title=Llei_de_Composici%C3%B3n&amp;action=edit&amp;redlink=1" class="new" title="Llei de Composición (la páxina nun esiste)">Llei de Composición</a> a un subtipo d'operación binaria. </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/Ficheru:AL_Operaci%C3%B3n_binaria.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/AL_Operaci%C3%B3n_binaria.svg/495px-AL_Operaci%C3%B3n_binaria.svg.png" decoding="async" width="495" height="248" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/AL_Operaci%C3%B3n_binaria.svg/743px-AL_Operaci%C3%B3n_binaria.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a8/AL_Operaci%C3%B3n_binaria.svg/990px-AL_Operaci%C3%B3n_binaria.svg.png 2x" data-file-width="1200" data-file-height="600" /></a><figcaption>Esquema de les tipos d'operaciones binaries en castellanu</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Operación_binaria_interna"><span id="Operaci.C3.B3n_binaria_interna"></span>Operación binaria interna</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=4" title="Editar seición: Operación binaria interna" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=4" title="Editar el código fuente de la sección: Operación binaria interna"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Si a cada par de valores (<b>a</b>, <b>b</b>) de <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle A}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>A</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle A}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7daff47fa58cdfd29dc333def748ff5fa4c923e3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.743ex; height:2.176ex;" alt="{\displaystyle A}"></span> la operación correspuéndelu a un valor <b>c</b> de <i>A</i>: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}\circledast :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\circledast b\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x229B;<!-- ⊛ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>A</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>A</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>&#x229B;<!-- ⊛ --></mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}\circledast :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\circledast b\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e5113674d72cdf5c079c136dabc4b6f4842d4801" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:30.125ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}\circledast :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\circledast b\end{array}}}"></span></dd></dl> <p>dizse qu'esta operación ye interna, tamién se llama <b>llei de composición interna</b>. </p> <div class="mw-heading mw-heading3"><h3 id="Operación_binaria_esterna"><span id="Operaci.C3.B3n_binaria_esterna"></span>Operación binaria esterna</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=5" title="Editar seición: Operación binaria esterna" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=5" title="Editar el código fuente de la sección: Operación binaria esterna"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Si la operación nun ye interna entós ye esterna, pudiéndose presentar los siguientes casos: </p> <ul><li>Si a cada par de valores <b>a</b> de <b>A</b> y <b>b</b> de <b>B</b>, asígnase-y un valor <b>c</b> de <b>A</b>,</li></ul> <p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}\star :&amp;A\times B&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x22C6;<!-- ⋆ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>B</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>A</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>&#x22C6;<!-- ⋆ --></mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}\star :&amp;A\times B&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/62c0a0a91974a2f66f8ad6f989cab00431f31fa3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:28.854ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}\star :&amp;A\times B&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}"></span> </p><p>a esta operación tamién se denomina <b>llei de composición esterna</b>. </p> <ul><li>Si la operación ye de la forma:</li></ul> <p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}\star :&amp;A\times A&amp;\longrightarrow &amp;B\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x22C6;<!-- ⋆ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>A</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>B</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>&#x22C6;<!-- ⋆ --></mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}\star :&amp;A\times A&amp;\longrightarrow &amp;B\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9cdcbc8e2f518da05a6e26f5cbcd122e6ba14836" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:28.833ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}\star :&amp;A\times A&amp;\longrightarrow &amp;B\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}"></span> </p><p>na qu'a cada par de valores <b>a</b>, <b>b</b> de <b>A</b> asígnase-y un <b>c</b> de <b>B</b>, esta operación nun se denomina llei de composición. </p> <ul><li>Si la operación asigna a cada par de valores <b>a</b> de <b>A</b> y <b>b</b> de <b>B</b> un <b>c</b> de <b>C</b>, siendo <b>A</b>, <b>B</b> y <b>C</b> conxuntos distintos:</li></ul> <p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}\star :&amp;A\times B&amp;\longrightarrow &amp;C\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x22C6;<!-- ⋆ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>B</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>C</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>&#x22C6;<!-- ⋆ --></mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}\star :&amp;A\times B&amp;\longrightarrow &amp;C\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f78b0ef42c69a0d00a43888a0f91f7e86aac9d49" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:28.854ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}\star :&amp;A\times B&amp;\longrightarrow &amp;C\\&amp;(a,b)&amp;\longmapsto &amp;c=a\star b\end{array}}}"></span> </p><p>ye'l casu más xeneral, y tampoco se denomina llei de composición. </p> <div class="mw-heading mw-heading2"><h2 id="Propiedaes_d'una_operación_binaria"><span id="Propiedaes_d.27una_operaci.C3.B3n_binaria"></span>Propiedaes d'una operación binaria</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=6" title="Editar seición: Propiedaes d&#039;una operación binaria" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=6" title="Editar el código fuente de la sección: Propiedaes d&#039;una operación binaria"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dáu un conxuntu <b>A</b> non vacíu y definida una aplicación de <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle A\times A}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>A</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle A\times A}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/91e587030076802eec026dc75906339cf1f61b70" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:6.327ex; height:2.176ex;" alt="{\displaystyle A\times A}"></span> sobre <b>A</b>, onde a cada par ordenáu <b>(a,b)</b> asígnase-y un valor <b>c</b> de <b>A</b>, que representamos: <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle (A,\odot )}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>A</mi> <mo>,</mo> <mo>&#x2299;<!-- ⊙ --></mo> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (A,\odot )}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e8e9f9a88778a58cf3b1b6f417a2d9332b767783" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:6.394ex; height:2.843ex;" alt="{\displaystyle (A,\odot )}"></span> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x2299;<!-- ⊙ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>A</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>A</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5561c227f9d78bdc583690c28ebaf9b3aea1ddd2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:30.125ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}}"></span></dd></dl> <p>Puede tener les siguientes propiedaes: </p> <div class="mw-heading mw-heading3"><h3 id="Conmutatividá"><span id="Conmutativid.C3.A1"></span>Conmutatividá</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=7" title="Editar seición: Conmutatividá" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=7" title="Editar el código fuente de la sección: Conmutatividá"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r4219085">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Artículu principal: <a href="/wiki/Conmutativid%C3%A1" title="Conmutatividá">Conmutatividá</a></div> <p>Dizse que <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span> tien la propiedá conmutativa na A si cumplese: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a,b\in A\;:\quad a\odot b=b\odot a}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo>=</mo> <mi>b</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a,b\in A\;:\quad a\odot b=b\odot a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4b9a25632943922b608dd6ffcb8b5439535995ed" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:27.276ex; height:2.509ex;" alt="{\displaystyle \forall a,b\in A\;:\quad a\odot b=b\odot a}"></span></dd></dl> <p>Para tou a, b de A, cumplese que la resultancia d'operar a con b ye igual al d'operar b con a. </p><p>De la mesma podemos dicir que la llei de composición interna <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span>, <b>nun ye conmutativa</b> na A si: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \exists a,b\in A\;:\quad a\odot b\neq b\odot a}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2203;<!-- ∃ --></mi> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo>&#x2260;<!-- ≠ --></mo> <mi>b</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \exists a,b\in A\;:\quad a\odot b\neq b\odot a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/46656bc1e5b6373be3dfea207b818e8294079ae3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:27.276ex; height:2.676ex;" alt="{\displaystyle \exists a,b\in A\;:\quad a\odot b\neq b\odot a}"></span></dd></dl> <p>Si esiste dalgún a, b na A, que cumple que la resultancia d'operar a con b ye distintu d'operar b con a. </p> <div class="mw-heading mw-heading4"><h4 id="Anticonmutatividá"><span id="Anticonmutativid.C3.A1"></span>Anticonmutatividá</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=8" title="Editar seición: Anticonmutatividá" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=8" title="Editar el código fuente de la sección: Anticonmutatividá"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La operación <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span> en <b>A</b> ye anticonmutativa si: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a,b\in A\;:\quad a\odot b=-(b\odot a)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo>=</mo> <mo>&#x2212;<!-- − --></mo> <mo stretchy="false">(</mo> <mi>b</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>a</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a,b\in A\;:\quad a\odot b=-(b\odot a)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/56e4eceb8df53819c25be7972f4d29e58d211e9b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:30.894ex; height:2.843ex;" alt="{\displaystyle \forall a,b\in A\;:\quad a\odot b=-(b\odot a)}"></span></dd></dl> <p>Para tou a, b de A, cúmplese que la resultancia d'operar a con b ye igual al opuestu d'operar b con a. </p> <div class="mw-heading mw-heading3"><h3 id="Asociatividá"><span id="Asociativid.C3.A1"></span>Asociatividá</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=9" title="Editar seición: Asociatividá" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=9" title="Editar el código fuente de la sección: Asociatividá"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r4219085"><div role="note" class="hatnote navigation-not-searchable">Artículu principal: <a href="/wiki/Propied%C3%A1_asociativa" class="mw-redirect" title="Propiedá asociativa">Propiedá asociativa</a></div> <p>Dizse que <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle (A,\odot )}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>A</mi> <mo>,</mo> <mo>&#x2299;<!-- ⊙ --></mo> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (A,\odot )}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e8e9f9a88778a58cf3b1b6f417a2d9332b767783" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:6.394ex; height:2.843ex;" alt="{\displaystyle (A,\odot )}"></span> ye asociativa si, solu si: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a,b,c\in A\;:\quad (a\odot b)\odot c=a\odot (b\odot c)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>,</mo> <mi>c</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mo stretchy="false">(</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo stretchy="false">)</mo> <mo>&#x2299;<!-- ⊙ --></mo> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mo stretchy="false">(</mo> <mi>b</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>c</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a,b,c\in A\;:\quad (a\odot b)\odot c=a\odot (b\odot c)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/687fcc9e0664b79672782cf14b1a3d06a2c4974b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:40.63ex; height:2.843ex;" alt="{\displaystyle \forall a,b,c\in A\;:\quad (a\odot b)\odot c=a\odot (b\odot c)}"></span></dd></dl> <p>Para tou <i>a, b, c</i> de A cumplese qu'operando <i>a</i> con <i>b</i> y la resultancia con <i>c</i> ye igual a operar <i>a</i> cola resultancia d'operar <i>b</i> con <i>c</i>. </p><p>Tamién puede dicise que la operación <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span> nun ye asociativa si cumplese: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \exists a,b,c\in A\;:\quad (a\odot b)\odot c\neq a\odot (b\odot c)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2203;<!-- ∃ --></mi> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>,</mo> <mi>c</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mo stretchy="false">(</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo stretchy="false">)</mo> <mo>&#x2299;<!-- ⊙ --></mo> <mi>c</mi> <mo>&#x2260;<!-- ≠ --></mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mo stretchy="false">(</mo> <mi>b</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>c</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \exists a,b,c\in A\;:\quad (a\odot b)\odot c\neq a\odot (b\odot c)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8c4ffbf85c6e8cda1852be8237a9962c74be4417" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:40.63ex; height:2.843ex;" alt="{\displaystyle \exists a,b,c\in A\;:\quad (a\odot b)\odot c\neq a\odot (b\odot c)}"></span></dd></dl> <p>Esisten <i>a, b, c</i> na A que cumplen qu'operando <i>a</i> con <i>b</i> y la resultancia con <i>c</i> ye distintu d'operar <i>a</i> cola resultancia d'operar <i>b</i> con <i>c.</i> </p> <div class="mw-heading mw-heading2"><h2 id="Propiedaes_de_dos_operaciones_binaries">Propiedaes de dos operaciones binaries</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=10" title="Editar seición: Propiedaes de dos operaciones binaries" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=10" title="Editar el código fuente de la sección: Propiedaes de dos operaciones binaries"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dáu un conxuntu A non vacíu y definíes dos aplicación d'A por A sobre A, onde a cada par ordenáu (a,b) asígnase-y cola operación <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span> un valor c de A y con la operación <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \circledcirc }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x229A;<!-- ⊚ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \circledcirc }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/cf70a53592b87a725eabcbb2dffc880e9aa9b66c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \circledcirc }"></span> el valor d de A que representamos: <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle (A,\odot ,\circledcirc )}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>A</mi> <mo>,</mo> <mo>&#x2299;<!-- ⊙ --></mo> <mo>,</mo> <mo>&#x229A;<!-- ⊚ --></mo> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (A,\odot ,\circledcirc )}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3c2ab81c20733faf2a9750e4ffe6f846fce721a7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:9.237ex; height:2.843ex;" alt="{\displaystyle (A,\odot ,\circledcirc )}"></span>. </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}\quad \quad {\begin{array}{rccl}\circledcirc :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;d=a\circledcirc b\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x2299;<!-- ⊙ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>A</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>A</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> <mspace width="1em" /> <mspace width="1em" /> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x229A;<!-- ⊚ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>A</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>A</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>d</mi> <mo>=</mo> <mi>a</mi> <mo>&#x229A;<!-- ⊚ --></mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}\quad \quad {\begin{array}{rccl}\circledcirc :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;d=a\circledcirc b\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d6e2f623fbfc54d4ccef3c450f4bf846f09128c7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:65.103ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}\quad \quad {\begin{array}{rccl}\circledcirc :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;d=a\circledcirc b\end{array}}}"></span></dd></dl> <p>Pueden tener les siguientes propiedaes: </p> <div class="mw-heading mw-heading3"><h3 id="Distributividá"><span id="Distributivid.C3.A1"></span>Distributividá</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=11" title="Editar seición: Distributividá" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=11" title="Editar el código fuente de la sección: Distributividá"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r4219085"><div role="note" class="hatnote navigation-not-searchable">Artículu principal: <a href="/wiki/Distributivid%C3%A1" title="Distributividá">Distributividá</a></div> <p>Dizse qu'una operación binaria ye distributiva si y solu si ye distributiva pela esquierda y pela derecha. </p> <div class="mw-heading mw-heading4"><h4 id="Distributividá_pela_esquierda"><span id="Distributivid.C3.A1_pela_esquierda"></span>Distributividá pela esquierda</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=12" title="Editar seición: Distributividá pela esquierda" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=12" title="Editar el código fuente de la sección: Distributividá pela esquierda"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dizse que la operación <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span> ye distributiva pela esquierda de <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \circledcirc }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x229A;<!-- ⊚ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \circledcirc }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/cf70a53592b87a725eabcbb2dffc880e9aa9b66c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \circledcirc }"></span> si cumplese: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a,b,c\in A\;:\quad a\odot (b\circledcirc c)=(a\odot b)\circledcirc (a\odot c)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>,</mo> <mi>c</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mo stretchy="false">(</mo> <mi>b</mi> <mo>&#x229A;<!-- ⊚ --></mo> <mi>c</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mo stretchy="false">(</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo stretchy="false">)</mo> <mo>&#x229A;<!-- ⊚ --></mo> <mo stretchy="false">(</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>c</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a,b,c\in A\;:\quad a\odot (b\circledcirc c)=(a\odot b)\circledcirc (a\odot c)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/463a15bd6132197f7a40a429217bc676a47d98ca" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:46.51ex; height:2.843ex;" alt="{\displaystyle \forall a,b,c\in A\;:\quad a\odot (b\circledcirc c)=(a\odot b)\circledcirc (a\odot c)}"></span></dd></dl> <div class="mw-heading mw-heading4"><h4 id="Distributividá_pela_derecha"><span id="Distributivid.C3.A1_pela_derecha"></span>Distributividá pela derecha</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=13" title="Editar seición: Distributividá pela derecha" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=13" title="Editar el código fuente de la sección: Distributividá pela derecha"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dizse que la operación <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span> ye distributiva pela derecha de <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \circ }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2218;<!-- ∘ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \circ }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/99add39d2b681e2de7ff62422c32704a05c7ec31" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: 0.125ex; margin-bottom: -0.297ex; width:1.162ex; height:1.509ex;" alt="{\displaystyle \circ }"></span> si cumplse: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a,b,c\in A\;:\quad (a\circledcirc b)\odot c=(a\odot c)\circledcirc (b\odot c)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>,</mo> <mi>c</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mo stretchy="false">(</mo> <mi>a</mi> <mo>&#x229A;<!-- ⊚ --></mo> <mi>b</mi> <mo stretchy="false">)</mo> <mo>&#x2299;<!-- ⊙ --></mo> <mi>c</mi> <mo>=</mo> <mo stretchy="false">(</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>c</mi> <mo stretchy="false">)</mo> <mo>&#x229A;<!-- ⊚ --></mo> <mo stretchy="false">(</mo> <mi>b</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>c</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a,b,c\in A\;:\quad (a\circledcirc b)\odot c=(a\odot c)\circledcirc (b\odot c)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9676264d6dbe07f969413a73063c925884789247" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:46.287ex; height:2.843ex;" alt="{\displaystyle \forall a,b,c\in A\;:\quad (a\circledcirc b)\odot c=(a\odot c)\circledcirc (b\odot c)}"></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Elementos_distinguidos">Elementos distinguidos</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=14" title="Editar seición: Elementos distinguidos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=14" title="Editar el código fuente de la sección: Elementos distinguidos"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Elementu_neutru">Elementu neutru</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=15" title="Editar seición: Elementu neutru" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=15" title="Editar el código fuente de la sección: Elementu neutru"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r4219085"><div role="note" class="hatnote navigation-not-searchable">Artículu principal: <a href="/wiki/Elementu_neutru" title="Elementu neutru">Elementu neutru</a></div> <p>Un elemento <b>e</b> ye elementu neutru en <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle (A,\odot )}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>A</mi> <mo>,</mo> <mo>&#x2299;<!-- ⊙ --></mo> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (A,\odot )}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e8e9f9a88778a58cf3b1b6f417a2d9332b767783" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:6.394ex; height:2.843ex;" alt="{\displaystyle (A,\odot )}"></span> si ye elementu neutru pela derecha y pela esquierda. </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad e\odot a=a\odot e=a}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>,</mo> <mspace width="1em" /> <mi mathvariant="normal">&#x2203;<!-- ∃ --></mi> <mi>e</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>e</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>a</mi> <mo>=</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>e</mi> <mo>=</mo> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad e\odot a=a\odot e=a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/49d87cfcd8f4cb9788affcd76d8e4178e183a7b3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:40.707ex; height:2.509ex;" alt="{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad e\odot a=a\odot e=a}"></span></dd></dl> <div class="mw-heading mw-heading4"><h4 id="Elementu_neutru_pela_derecha">Elementu neutru pela derecha</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=16" title="Editar seición: Elementu neutru pela derecha" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=16" title="Editar el código fuente de la sección: Elementu neutru pela derecha"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vamos dicir que l'elementu <b>e</b>, ye l'elementu neutru pela derecha si: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad e\odot a=a}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>,</mo> <mspace width="1em" /> <mi mathvariant="normal">&#x2203;<!-- ∃ --></mi> <mi>e</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>e</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>a</mi> <mo>=</mo> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad e\odot a=a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9c3e00027ca320d7eb02e2f7b7812d4552dab2b9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:32.454ex; height:2.509ex;" alt="{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad e\odot a=a}"></span></dd></dl> <div class="mw-heading mw-heading4"><h4 id="Elementu_neutru_pela_esquierda">Elementu neutru pela esquierda</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=17" title="Editar seición: Elementu neutru pela esquierda" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=17" title="Editar el código fuente de la sección: Elementu neutru pela esquierda"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vamos dicir que l'elementu <b>e</b>, ye l'elementu neutru pela esquierda si: </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad a\odot e=a}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>,</mo> <mspace width="1em" /> <mi mathvariant="normal">&#x2203;<!-- ∃ --></mi> <mi>e</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>e</mi> <mo>=</mo> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad a\odot e=a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/fb647e60fb02f51d072066b118b208abdb142910" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:32.454ex; height:2.509ex;" alt="{\displaystyle \forall a\in A\;,\quad \exists e\in A\;:\quad a\odot e=a}"></span> </p> <div class="mw-heading mw-heading4"><h4 id="Unicidá_del_elementu_neutru"><span id="Unicid.C3.A1_del_elementu_neutru"></span>Unicidá del elementu neutru</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=18" title="Editar seición: Unicidá del elementu neutru" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=18" title="Editar el código fuente de la sección: Unicidá del elementu neutru"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El elementu neutru ye únicu. Demuestrase por reducción al absurdo. Vamos suponer que esisten dos elementos neutros, e y e'. </p> <ul><li>Por ser e l'elementu neutro, pa to tou a cumplese que e<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span>a=a.</li> <li>Por ser e' l'elemtu neutru, pa tou a cumplese que e'<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span>a=a.</li></ul> <p>Polo tanto, e<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span>a=e'<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \odot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>&#x2299;<!-- ⊙ --></mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \odot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e89e009eb8a8839c82aa5c76c15e9f2d67006276" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \odot }"></span>a y ye claru que e=e'. </p> <div class="mw-heading mw-heading3"><h3 id="Elementu_simétricu"><span id="Elementu_sim.C3.A9tricu"></span>Elementu simétricu</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=19" title="Editar seición: Elementu simétricu" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=19" title="Editar el código fuente de la sección: Elementu simétricu"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r4219085"><div role="note" class="hatnote navigation-not-searchable">Artículu principal: <a href="/w/index.php?title=Elementu_sim%C3%A9tricu&amp;action=edit&amp;redlink=1" class="new" title="Elementu simétricu (la páxina nun esiste)">Elementu simétricu</a></div> <p>Dizse que <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\overline {a}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>a</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\overline {a}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/032e261791bd07a59cf1419352fc66f7901d4b1a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.345ex; height:2.343ex;" alt="{\displaystyle {\overline {a}}}"></span> ye simétricu de <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ffd2487510aa438433a2579450ab2b3d557e5edc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.23ex; height:1.676ex;" alt="{\displaystyle a}"></span> si: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\overline {a}}\odot a=a\odot {\overline {a}}=e}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>a</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> <mo>&#x2299;<!-- ⊙ --></mo> <mi>a</mi> <mo>=</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>a</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> <mo>=</mo> <mi>e</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\overline {a}}\odot a=a\odot {\overline {a}}=e}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2c80ff3c76fb0441d1d42631fd672c4215fe2eb4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:18.11ex; height:2.509ex;" alt="{\displaystyle {\overline {a}}\odot a=a\odot {\overline {a}}=e}"></span></dd></dl> <p>onde e ye l'elementu neutru. </p> <div class="mw-heading mw-heading3"><h3 id="Elementu_involutivu">Elementu involutivu</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=20" title="Editar seición: Elementu involutivu" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=20" title="Editar el código fuente de la sección: Elementu involutivu"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dizse que <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle d\in A}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>d</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle d\in A}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/19e83d4b82fcad587a69d1be593cc2c501e5dac0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.8ex; height:2.176ex;" alt="{\displaystyle d\in A}"></span> ye elementu involutivu si: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle d\odot d=d}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>d</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>d</mi> <mo>=</mo> <mi>d</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle d\odot d=d}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2113d6536c12aeb650b375a95e1ba14d1824d1ff" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:9.586ex; height:2.343ex;" alt="{\displaystyle d\odot d=d}"></span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Elementu_absorbente">Elementu absorbente</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=21" title="Editar seición: Elementu absorbente" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=21" title="Editar el código fuente de la sección: Elementu absorbente"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r4219085"><div role="note" class="hatnote navigation-not-searchable">Artículu principal: <a href="/wiki/Elementu_absorbente" title="Elementu absorbente">Elementu absorbente</a></div> <p>Dizse que <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle s\in A}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>s</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s\in A}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2e110ff17c1db9960eae6b79be3e25bb1e09c174" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.674ex; height:2.176ex;" alt="{\displaystyle s\in A}"></span> ye elementu absorbente si: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a\in A\;:\quad s\odot a=a\odot s=s}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>s</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>a</mi> <mo>=</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>s</mi> <mo>=</mo> <mi>s</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a\in A\;:\quad s\odot a=a\odot s=s}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0c8aebc89c9c7f4aad13c1fb737893f196fd6751" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:29.62ex; height:2.343ex;" alt="{\displaystyle \forall a\in A\;:\quad s\odot a=a\odot s=s}"></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Operación_inversa"><span id="Operaci.C3.B3n_inversa"></span>Operación inversa</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=22" title="Editar seición: Operación inversa" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=22" title="Editar el código fuente de la sección: Operación inversa"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Sía A un conxuntu con una operación binaria <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle (a,\odot )}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mo>&#x2299;<!-- ⊙ --></mo> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle (a,\odot )}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4adac7ff81c9508176d210c7d92509184365076c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:5.881ex; height:2.843ex;" alt="{\displaystyle (a,\odot )}"></span>: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <mo>&#x2299;<!-- ⊙ --></mo> <mo>:</mo> </mtd> <mtd> <mi>A</mi> <mo>&#x00D7;<!-- × --></mo> <mi>A</mi> </mtd> <mtd> <mo stretchy="false">&#x27F6;<!-- ⟶ --></mo> </mtd> <mtd> <mi>A</mi> </mtd> </mtr> <mtr> <mtd /> <mtd> <mo stretchy="false">(</mo> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo stretchy="false">)</mo> </mtd> <mtd> <mo stretchy="false">&#x27FC;<!-- ⟼ --></mo> </mtd> <mtd> <mi>c</mi> <mo>=</mo> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> </mtd> </mtr> </mtable> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5561c227f9d78bdc583690c28ebaf9b3aea1ddd2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:30.125ex; height:6.176ex;" alt="{\displaystyle {\begin{array}{rccl}\odot :&amp;A\times A&amp;\longrightarrow &amp;A\\&amp;(a,b)&amp;\longmapsto &amp;c=a\odot b\end{array}}}"></span></dd></dl> <p>polo que quepe la ecuación: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \forall a,b\in A\,,\;\exists c\in A\;:\quad a\odot b=c}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">&#x2200;<!-- ∀ --></mi> <mi>a</mi> <mo>,</mo> <mi>b</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thinmathspace" /> <mo>,</mo> <mspace width="thickmathspace" /> <mi mathvariant="normal">&#x2203;<!-- ∃ --></mi> <mi>c</mi> <mo>&#x2208;<!-- ∈ --></mo> <mi>A</mi> <mspace width="thickmathspace" /> <mo>:</mo> <mspace width="1em" /> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo>=</mo> <mi>c</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \forall a,b\in A\,,\;\exists c\in A\;:\quad a\odot b=c}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/92ca26911d4fce8c720cea46b23d01537a2f7325" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:32.165ex; height:2.509ex;" alt="{\displaystyle \forall a,b\in A\,,\;\exists c\in A\;:\quad a\odot b=c}"></span></dd></dl> <p>Si: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\odot b=c}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo>=</mo> <mi>c</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\odot b=c}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/78bd91c2311dd16d83c8df3309a12b4be1ff45c3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:9.173ex; height:2.343ex;" alt="{\displaystyle a\odot b=c}"></span></dd></dl> <p>Si A almite elementos simétricos, defínese: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\odot b\odot {\overline {b}}=c\odot {\overline {b}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>b</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>b</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> <mo>=</mo> <mi>c</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>b</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\odot b\odot {\overline {b}}=c\odot {\overline {b}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ddae1079b6b22f2b9654c1309186102495daead4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:17.079ex; height:3.176ex;" alt="{\displaystyle a\odot b\odot {\overline {b}}=c\odot {\overline {b}}}"></span></dd></dl> <p>Arrexuntando: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\odot (b\odot {\overline {b}})=c\odot {\overline {b}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mo stretchy="false">(</mo> <mi>b</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>b</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> <mo stretchy="false">)</mo> <mo>=</mo> <mi>c</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>b</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\odot (b\odot {\overline {b}})=c\odot {\overline {b}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5fb8ce89670491d5910f4558bbe407c2435c8b8d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:18.888ex; height:3.509ex;" alt="{\displaystyle a\odot (b\odot {\overline {b}})=c\odot {\overline {b}}}"></span></dd></dl> <p>onde e ye l'elementu neutru: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a\odot e=c\odot {\overline {b}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mi>e</mi> <mo>=</mo> <mi>c</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>b</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a\odot e=c\odot {\overline {b}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/63733c21a046dbcf60d076441ec6431beb7d93a1" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:13.212ex; height:3.176ex;" alt="{\displaystyle a\odot e=c\odot {\overline {b}}}"></span></dd></dl> <p>simplificando: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a=c\odot {\overline {b}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>=</mo> <mi>c</mi> <mo>&#x2299;<!-- ⊙ --></mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>b</mi> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a=c\odot {\overline {b}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/890a13334ca2673c39169155334ea221214a98cb" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:9.288ex; height:3.176ex;" alt="{\displaystyle a=c\odot {\overline {b}}}"></span></dd></dl> <p>La operación inversa seria <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\overline {\odot }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>&#x2299;<!-- ⊙ --></mo> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\overline {\odot }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/be697a9fca55770ca8c846d57784445ae8d0623f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:1.923ex; height:2.843ex;" alt="{\displaystyle {\overline {\odot }}}"></span> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a=c\,{\overline {\odot }}\,b}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> <mo>=</mo> <mi>c</mi> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mover> <mo>&#x2299;<!-- ⊙ --></mo> <mo accent="false">&#x00AF;<!-- ¯ --></mo> </mover> </mrow> <mspace width="thinmathspace" /> <mi>b</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a=c\,{\overline {\odot }}\,b}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f219cc1c21733287230d07f97764e5d6bad60f59" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:9.03ex; height:2.843ex;" alt="{\displaystyle a=c\,{\overline {\odot }}\,b}"></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Otres_propiedaes">Otres propiedaes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=23" title="Editar seición: Otres propiedaes" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=23" title="Editar el código fuente de la sección: Otres propiedaes"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Simplificación_o_cancelativa"><span id="Simplificaci.C3.B3n_o_cancelativa"></span>Simplificación o cancelativa</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=24" title="Editar seición: Simplificación o cancelativa" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=24" title="Editar el código fuente de la sección: Simplificación o cancelativa"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Sía A cola operación&#160; si ab =ac implica que b=c, dizse que se simplificó a pela esquierda. Y si de ba =ca deduzse b=c y dizse que se simplificó pela derecha. Si puede simplificase per dambos llaos falase de <b>simplificación o cancelación</b>. </p> <div class="mw-heading mw-heading3"><h3 id="Divisores_del_cero">Divisores del cero</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=25" title="Editar seición: Divisores del cero" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=25" title="Editar el código fuente de la sección: Divisores del cero"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Sía'l conxuntu A y l'operación&#160;* , siendo a ≠ 0, b≠ 0 deduzse qu'ab = 0 , dizse qu'a y b son <b>divisores del 0</b>. </p> <div class="mw-heading mw-heading2"><h2 id="Ver_tamién"><span id="Ver_tami.C3.A9n"></span>Ver tamién</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=26" title="Editar seición: Ver tamién" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=26" title="Editar el código fuente de la sección: Ver tamién"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Otres operaciones: <ul><li><a href="/w/index.php?title=Operaci%C3%B3n_nularia&amp;action=edit&amp;redlink=1" class="new" title="Operación nularia (la páxina nun esiste)">Operación nularia</a></li> <li><a href="/w/index.php?title=Operaci%C3%B3n_unaria&amp;action=edit&amp;redlink=1" class="new" title="Operación unaria (la páxina nun esiste)">Operación unaria</a></li> <li><a href="/w/index.php?title=Operaci%C3%B3n_ternaria&amp;action=edit&amp;redlink=1" class="new" title="Operación ternaria (la páxina nun esiste)">Operación ternaria</a></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Referencies">Referencies</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=27" title="Editar seición: Referencies" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=27" title="Editar el código fuente de la sección: Referencies"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r3503771">@media only screen and (max-width:600px){.mw-parser-output .llistaref{column-count:1!important}}</style><div class="llistaref" style="list-style-type: decimal;"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text">Brainard Braimah. Definitions of Some Mathematical Terms for 11-18 Year Olds. Xulon Press, novembre 2007, p. 23–. ISBN 978-1-60477-357-6.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><i>A Text Book of Mathematics XII Vol. 1</i>. Rastogi Publications, p. 3–. ISBN 978-81-7133-897-9.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Enllaces_esternos">Enllaces esternos</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;veaction=edit&amp;section=28" title="Editar seición: Enllaces esternos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Operaci%C3%B3n_binaria&amp;action=edit&amp;section=28" title="Editar el código fuente de la sección: Enllaces esternos"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://wmatem.eis.uva.es/~matpag/CONTENIDOS/Operaciones/operaciones/node1.html">Operaciones binarias</a> por Jose Ignacio Farran Martin (<a href="/wiki/Universid%C3%A1_de_Valladolid" title="Universidá de Valladolid">Universidá de Valladolid</a>)</li> <li><a rel="nofollow" class="external text" href="https://www.uv.mx/personal/aherrera/files/2014/08/20a.-ESTRUCTURAS-ALGEBRAICAS-21-pp.pdf">Estructuras Algebraicas</a> por Aldo Jiménez Arteaga (Universidá Veracruzana)</li></ul> <style data-mw-deduplicate="TemplateStyles:r2260362">.mw-parser-output .mw-authority-control .navbox hr:last-child{display:none}.mw-parser-output .mw-authority-control .navbox+.mw-mf-linked-projects{display:none}.mw-parser-output .mw-authority-control .mw-mf-linked-projects{display:flex;padding:0.5em;border:1px solid #c8ccd1;background-color:#eaecf0;color:#222222}.mw-parser-output .mw-authority-control .mw-mf-linked-projects ul li{margin-bottom:0}</style><div class="mw-authority-control navigation-not-searchable"><div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r4075543">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output 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