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id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_tr.wikipedia.org&uselang=tr" class=""><span>Bağış yapın</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%C3%96zel:HesapOlu%C5%9Ftur&returnto=Do%C4%9Fruluk+de%C4%9Feri" title="Bir hesap oluşturup oturum açmanız tavsiye edilmektedir ancak bu zorunlu değildir" class=""><span>Hesap oluştur</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%C3%96zel:Kullan%C4%B1c%C4%B1OturumuA%C3%A7ma&returnto=Do%C4%9Fruluk+de%C4%9Feri" title="Oturum açmanız tavsiye edilmektedir; ancak bu zorunlu değildir [o]" accesskey="o" 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class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Oturum aç</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Çıkış yapmış editörler için sayfalar <a href="/wiki/Yard%C4%B1m:Giri%C5%9F" aria-label="Değişiklik yapma hakkında daha fazla bilgi edinin"><span>daha fazla bilgi</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%C3%96zel:Katk%C4%B1lar%C4%B1m" title="Bu IP adresinden yapılmış değişiklikler listesi [y]" accesskey="y"><span>Katkılar</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%C3%96zel:MesajSayfam" title="Bu IP adresindeki düzenlemeler hakkında tartışma [n]" accesskey="n"><span>Mesaj</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="İçindekiler" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">İçindekiler</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">kenar çubuğuna taşı</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">gizle</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">Giriş</div> </a> </li> <li id="toc-Klasik_mantık" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Klasik_mantık"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Klasik mantık</span> </div> </a> <ul id="toc-Klasik_mantık-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kaynakça" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kaynakça"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Kaynakça</span> </div> </a> <ul id="toc-Kaynakça-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="İçindekiler" 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="İçindekiler tablosunu değiştir" > <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">İçindekiler tablosunu değiştir</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">Doğruluk değeri</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="Başka bir dildeki sayfaya gidin. 31 dilde mevcut" > <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-31" 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">31 dil</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/%D9%82%D9%8A%D9%85%D8%A9_%D8%B5%D9%88%D8%A7%D8%A8" title="قيمة صواب - Arapça" lang="ar" hreflang="ar" data-title="قيمة صواب" data-language-autonym="العربية" data-language-local-name="Arapça" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Valor_veritable" title="Valor veritable - Katalanca" lang="ca" hreflang="ca" data-title="Valor veritable" data-language-autonym="Català" data-language-local-name="Katalanca" 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/%D8%A8%D8%A7%DB%8C%DB%95%D8%AE%DB%8C_%D8%AF%D8%B1%D9%88%D8%B3%D8%AA%DB%8C" title="بایەخی دروستی - Orta Kürtçe" lang="ckb" hreflang="ckb" data-title="بایەخی دروستی" data-language-autonym="کوردی" data-language-local-name="Orta Kürtçe" 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/Pravdivostn%C3%AD_hodnota" title="Pravdivostní hodnota - Çekçe" lang="cs" hreflang="cs" data-title="Pravdivostní hodnota" data-language-autonym="Čeština" data-language-local-name="Çekçe" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Sandhedsv%C3%A6rdi" title="Sandhedsværdi - Danca" lang="da" hreflang="da" data-title="Sandhedsværdi" data-language-autonym="Dansk" data-language-local-name="Danca" 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/Wahrheitswert" title="Wahrheitswert - Almanca" lang="de" hreflang="de" data-title="Wahrheitswert" data-language-autonym="Deutsch" data-language-local-name="Almanca" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Truth_value" title="Truth value - İngilizce" lang="en" hreflang="en" data-title="Truth value" data-language-autonym="English" data-language-local-name="İngilizce" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Valor_de_verdad" title="Valor de verdad - İspanyolca" lang="es" hreflang="es" data-title="Valor de verdad" data-language-autonym="Español" data-language-local-name="İspanyolca" 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/T%C3%B5ev%C3%A4%C3%A4rtus" title="Tõeväärtus - Estonca" lang="et" hreflang="et" data-title="Tõeväärtus" data-language-autonym="Eesti" data-language-local-name="Estonca" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%B1%D8%B2%D8%B4_%D8%AF%D8%B1%D8%B3%D8%AA%DB%8C" title="ارزش درستی - Farsça" lang="fa" hreflang="fa" data-title="ارزش درستی" data-language-autonym="فارسی" data-language-local-name="Farsça" 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/Totuusarvo" title="Totuusarvo - Fince" lang="fi" hreflang="fi" data-title="Totuusarvo" data-language-autonym="Suomi" data-language-local-name="Fince" 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/Valeur_de_v%C3%A9rit%C3%A9" title="Valeur de vérité - Fransızca" lang="fr" hreflang="fr" data-title="Valeur de vérité" data-language-autonym="Français" data-language-local-name="Fransızca" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A2%D7%A8%D7%9A_%D7%90%D7%9E%D7%AA" title="ערך אמת - İbranice" lang="he" hreflang="he" data-title="ערך אמת" data-language-autonym="עברית" data-language-local-name="İbranice" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/%C3%8Dt%C3%A9let_(logika)" title="Ítélet (logika) - Macarca" lang="hu" hreflang="hu" data-title="Ítélet (logika)" data-language-autonym="Magyar" data-language-local-name="Macarca" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Valore_di_verit%C3%A0" title="Valore di verità - İtalyanca" lang="it" hreflang="it" data-title="Valore di verità" data-language-autonym="İtaliano" data-language-local-name="İtalyanca" class="interlanguage-link-target"><span>İtaliano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%9C%9F%E7%90%86%E5%80%A4" title="真理値 - Japonca" lang="ja" hreflang="ja" data-title="真理値" data-language-autonym="日本語" data-language-local-name="Japonca" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A7%84%EB%A6%BF%EA%B0%92" title="진릿값 - Korece" lang="ko" hreflang="ko" data-title="진릿값" data-language-autonym="한국어" data-language-local-name="Korece" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%92%D0%B8%D1%81%D1%82%D0%B8%D0%BD%D0%B8%D1%82%D0%BE%D1%81%D0%BD%D0%B0_%D0%B2%D1%80%D0%B5%D0%B4%D0%BD%D0%BE%D1%81%D1%82" title="Вистинитосна вредност - Makedonca" lang="mk" hreflang="mk" data-title="Вистинитосна вредност" data-language-autonym="Македонски" data-language-local-name="Makedonca" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Waarheidswaarde" title="Waarheidswaarde - Felemenkçe" lang="nl" hreflang="nl" data-title="Waarheidswaarde" data-language-autonym="Nederlands" data-language-local-name="Felemenkçe" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Warto%C5%9B%C4%87_logiczna" title="Wartość logiczna - Lehçe" lang="pl" hreflang="pl" data-title="Wartość logiczna" data-language-autonym="Polski" data-language-local-name="Lehçe" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Valor_de_verdade" title="Valor de verdade - Portekizce" lang="pt" hreflang="pt" data-title="Valor de verdade" data-language-autonym="Português" data-language-local-name="Portekizce" 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/Valoare_de_adev%C4%83r" title="Valoare de adevăr - Rumence" lang="ro" hreflang="ro" data-title="Valoare de adevăr" data-language-autonym="Română" data-language-local-name="Rumence" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru badge-Q70894304 mw-list-item" title=""><a href="https://ru.wikipedia.org/wiki/%D0%97%D0%BD%D0%B0%D1%87%D0%B5%D0%BD%D0%B8%D0%B5_%D0%B8%D1%81%D1%82%D0%B8%D0%BD%D0%BD%D0%BE%D1%81%D1%82%D0%B8" title="Значение истинности - Rusça" lang="ru" hreflang="ru" data-title="Значение истинности" data-language-autonym="Русский" data-language-local-name="Rusça" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Truth_value" title="Truth value - Simple English" lang="en-simple" hreflang="en-simple" data-title="Truth value" 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/Pravdivostn%C3%A1_hodnota" title="Pravdivostná hodnota - Slovakça" lang="sk" hreflang="sk" data-title="Pravdivostná hodnota" data-language-autonym="Slovenčina" data-language-local-name="Slovakça" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%98%D1%81%D1%82%D0%B8%D0%BD%D0%B8%D1%82%D0%BE%D1%81%D0%BD%D0%B0_%D0%B2%D1%80%D0%B5%D0%B4%D0%BD%D0%BE%D1%81%D1%82" title="Истинитосна вредност - Sırpça" lang="sr" hreflang="sr" data-title="Истинитосна вредност" data-language-autonym="Српски / srpski" data-language-local-name="Sırpça" 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/Sanningsv%C3%A4rde" title="Sanningsvärde - İsveççe" lang="sv" hreflang="sv" data-title="Sanningsvärde" data-language-autonym="Svenska" data-language-local-name="İsveççe" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%84%E0%B9%88%E0%B8%B2%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%88%E0%B8%A3%E0%B8%B4%E0%B8%87" title="ค่าความจริง - Tayca" lang="th" hreflang="th" data-title="ค่าความจริง" data-language-autonym="ไทย" data-language-local-name="Tayca" 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/Halagang_lohikal" title="Halagang lohikal - Tagalogca" lang="tl" hreflang="tl" data-title="Halagang lohikal" data-language-autonym="Tagalog" data-language-local-name="Tagalogca" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%97%D0%BD%D0%B0%D1%87%D0%B5%D0%BD%D0%BD%D1%8F_%D1%96%D1%81%D1%82%D0%B8%D0%BD%D0%BD%D0%BE%D1%81%D1%82%D1%96" title="Значення істинності - Ukraynaca" lang="uk" hreflang="uk" data-title="Значення істинності" data-language-autonym="Українська" data-language-local-name="Ukraynaca" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%9C%9F%E5%80%BC" title="真值 - Çince" lang="zh" hreflang="zh" data-title="真值" data-language-autonym="中文" data-language-local-name="Çince" class="interlanguage-link-target"><span>中文</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/Q185521#sitelinks-wikipedia" title="Dillerarası bağlantıları değiştir" class="wbc-editpage">Bağlantıları değiştir</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="Ad alanları"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > 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cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Türkçe</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Görünüm"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Do%C4%9Fruluk_de%C4%9Feri"><span>Oku</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Do%C4%9Fruluk_de%C4%9Feri&veaction=edit" title="Bu sayfayı değiştir [v]" accesskey="v"><span>Değiştir</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Do%C4%9Fruluk_de%C4%9Feri&action=edit" title="Bu sayfanın kaynak kodunu düzenleyin [e]" accesskey="e"><span>Kaynağı değiştir</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Do%C4%9Fruluk_de%C4%9Feri&action=history" title="Bu sayfanın geçmiş sürümleri [h]" accesskey="h"><span>Geçmişi gör</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sayfa araçları"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Araçlar" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Araçlar</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Araçlar</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">kenar çubuğuna taşı</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">gizle</button> </div> <div 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<div id="siteSub" class="noprint">Vikipedi, özgür ansiklopedi</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="tr" dir="ltr"><p><a href="/wiki/Mant%C4%B1k" title="Mantık">Mantıkta</a> ve <a href="/wiki/Matematik" title="Matematik">matematikte</a>, bir <b>doğruluk değeri</b><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> ya da <b>mantıksal</b> değer, bir <a href="/wiki/%C3%96nerme" title="Önerme">önermenin</a> <a href="/wiki/Do%C4%9Fruluk_(felsefe)" title="Doğruluk (felsefe)">doğruluk</a> ile ilişkisini belirleyen bir değerdir. </p> <div class="mw-heading mw-heading2"><h2 id="Klasik_mantık"><span id="Klasik_mant.C4.B1k"></span>Klasik mantık</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Do%C4%9Fruluk_de%C4%9Feri&veaction=edit&section=1" title="Değiştirilen bölüm: Klasik mantık" class="mw-editsection-visualeditor"><span>değiştir</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Do%C4%9Fruluk_de%C4%9Feri&action=edit&section=1" title="Bölümün kaynak kodunu değiştir: Klasik mantık"><span>kaynağı değiştir</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/w/index.php?title=Klasik_mant%C4%B1k&action=edit&redlink=1" class="new" title="Klasik mantık (sayfa mevcut değil)">Klasik mantıkta</a> doğruluk değerleri <b><a href="/wiki/Do%C4%9Fru_(mant%C4%B1k)" title="Doğru (mantık)">doğru</a></b> (<b>1</b> ya da <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 \top }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">⊤</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \top }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/cf12e436fef2365e76fcb1034a51179d8328bb33" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \top }"></span>) ve <b><a href="/wiki/Yanl%C4%B1%C5%9F_(mant%C4%B1k)" title="Yanlış (mantık)">yanlış</a></b> (<b>0</b> ya da <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 \bot }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">⊥</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \bot }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f282c7bc331cc3bfcf1c57f1452cc23c022f58de" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.808ex; height:2.176ex;" alt="{\displaystyle \bot }"></span>) olabilir; yani klasik mantık iki değerlidir. Bu iki değerden oluşan küme aynı zamanda <a href="/wiki/Boole%27ca" title="Boole'ca">Bool tanım kümesi</a> olarak adlandırılır. <a href="/wiki/Mant%C4%B1k_ba%C4%9Flac%C4%B1" title="Mantık bağlacı">Mantık bağlaçlarının</a> anlamsal karşılığı <a href="/wiki/Do%C4%9Fruluk_tablosu" title="Doğruluk tablosu">doğruluk tablosu</a> olarak ifade edilen doğruluk fonksiyonlarıdır. <a href="/wiki/Ancak_ve_ancak" title="Ancak ve ancak">İki koşulluluk</a> karşılıklı <a href="/w/index.php?title=E%C5%9Fitlik_(matematik)&action=edit&redlink=1" class="new" title="Eşitlik (matematik) (sayfa mevcut değil)">eşitlik</a> anlamına gelir. <a href="/w/index.php?title=T%C3%BCmleme_ba%C4%9Flac%C4%B1&action=edit&redlink=1" class="new" title="Tümleme bağlacı (sayfa mevcut değil)">Tümleme</a> ise doğru ve yanlış arasında <a href="/wiki/Birebir_%C3%B6rten_fonksiyon" title="Birebir örten fonksiyon">birebir</a> ilişki kurar. <a href="/w/index.php?title=Veya_ba%C4%9Flac%C4%B1&action=edit&redlink=1" class="new" title="Veya bağlacı (sayfa mevcut değil)">Veya bağlacı</a> ile <a href="/w/index.php?title=Ve_ba%C4%9Flac%C4%B1&action=edit&redlink=1" class="new" title="Ve bağlacı (sayfa mevcut değil)">ve bağlacı</a> birbirinin tümleyenidir ve bu ilişki <a href="/wiki/De_Morgan_yasas%C4%B1" title="De Morgan yasası">De Morgan yasasına</a> göre şöyle ifade edilir: </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 \neg (p\land q)\iff \neg p\lor \neg q}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">¬</mi> <mo stretchy="false">(</mo> <mi>p</mi> <mo>∧</mo> <mi>q</mi> <mo stretchy="false">)</mo> <mspace width="thickmathspace" /> <mo stretchy="false">⟺</mo> <mspace width="thickmathspace" /> <mi mathvariant="normal">¬</mi> <mi>p</mi> <mo>∨</mo> <mi mathvariant="normal">¬</mi> <mi>q</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \neg (p\land q)\iff \neg p\lor \neg q}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d7eb060ce5e5a2af2e3fba47e62075a95ada2224" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:23.001ex; height:2.843ex;" alt="{\displaystyle \neg (p\land q)\iff \neg p\lor \neg q}"></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 \neg (p\lor q)\iff \neg p\land \neg q}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">¬</mi> <mo stretchy="false">(</mo> <mi>p</mi> <mo>∨</mo> <mi>q</mi> <mo stretchy="false">)</mo> <mspace width="thickmathspace" /> <mo stretchy="false">⟺</mo> <mspace width="thickmathspace" /> <mi mathvariant="normal">¬</mi> <mi>p</mi> <mo>∧</mo> <mi mathvariant="normal">¬</mi> <mi>q</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \neg (p\lor q)\iff \neg p\land \neg q}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7fb0a4db5dcc9c8754a84feae5412af7757e7c9a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:23.001ex; height:2.843ex;" alt="{\displaystyle \neg (p\lor q)\iff \neg p\land \neg q}"></span> </p> <div class="mw-heading mw-heading2"><h2 id="Kaynakça"><span id="Kaynak.C3.A7a"></span>Kaynakça</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Do%C4%9Fruluk_de%C4%9Feri&veaction=edit&section=2" title="Değiştirilen bölüm: Kaynakça" class="mw-editsection-visualeditor"><span>değiştir</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Do%C4%9Fruluk_de%C4%9Feri&action=edit&section=2" title="Bölümün kaynak kodunu değiştir: Kaynakça"><span>kaynağı değiştir</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r32805677">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-count:2}.mw-parser-output .reflist-columns-3{column-count:3}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><strong><a href="#cite_ref-1">^</a></strong> <span class="reference-text"><cite class="kaynak dergi">Teo Grunberg (2005). "Bilgi Teorisi ve <a href="/wiki/Gettier_Problemi" title="Gettier Problemi">Gettier Problemi</a>". <i>Felsefe ve Felsefi Mantık Yazıları</i>. İstanbul: YKY.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Bilgi+Teorisi+ve+Gettier+Problemi&rft.place=%C4%B0stanbul&rft.pub=YKY&rft.date=2005&rft.au=Teo+Grunberg&rfr_id=info%3Asid%2Ftr.wikipedia.org%3ADo%C4%9Fruluk+de%C4%9Feri" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div></div> <table class="metadata plainlinks stub" role="presentation" style="background:transparent"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/Dosya:E-to-the-i-pi.svg" class="mw-file-description"><img alt="Taslak simgesi" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/E-to-the-i-pi.svg/34px-E-to-the-i-pi.svg.png" decoding="async" width="34" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/E-to-the-i-pi.svg/51px-E-to-the-i-pi.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/35/E-to-the-i-pi.svg/68px-E-to-the-i-pi.svg.png 2x" data-file-width="512" data-file-height="453" /></a></span></td><td><i><a href="/wiki/Matematik" title="Matematik">Matematik</a> ile ilgili bu madde <a href="/wiki/Vikipedi:Taslak_madde" title="Vikipedi:Taslak madde">taslak</a> seviyesindedir. 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