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class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D1%8D%D0%B3%D0%BE%D1%80%D1%8B%D1%8F:%D0%9C%D0%B0%D1%82%D1%8D%D0%BC%D0%B0%D1%82%D1%8B%D1%87%D0%BD%D1%8B%D1%8F_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D1%8B" title="Катэгорыя:Матэматычныя структуры – belarusiska (tarasjkevitsa)" lang="be-tarask" hreflang="be-tarask" data-title="Катэгорыя:Матэматычныя структуры" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusiska (tarasjkevitsa)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Kategorija:Matemati%C4%8Dke_strukture" title="Kategorija:Matematičke strukture – bosniska" lang="bs" hreflang="bs" data-title="Kategorija:Matematičke strukture" data-language-autonym="Bosanski" data-language-local-name="bosniska" 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/Categoria:Estructures_matem%C3%A0tiques" title="Categoria:Estructures matemàtiques – katalanska" lang="ca" hreflang="ca" data-title="Categoria:Estructures matemàtiques" data-language-autonym="Català" data-language-local-name="katalanska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cbk-zam mw-list-item"><a href="https://cbk-zam.wikipedia.org/wiki/Categor%C3%ADa:Maga_matematico_estructura" title="Categoría:Maga matematico estructura – Chavacano" lang="cbk" hreflang="cbk" data-title="Categoría:Maga matematico estructura" data-language-autonym="Chavacano de Zamboanga" data-language-local-name="Chavacano" class="interlanguage-link-target"><span>Chavacano de Zamboanga</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Categori:Strwythurau_mathemategol" title="Categori:Strwythurau mathemategol – walesiska" lang="cy" hreflang="cy" data-title="Categori:Strwythurau mathemategol" data-language-autonym="Cymraeg" data-language-local-name="walesiska" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Kategori:Matematiske_strukturer" title="Kategori:Matematiske strukturer – danska" lang="da" hreflang="da" data-title="Kategori:Matematiske strukturer" data-language-autonym="Dansk" data-language-local-name="danska" 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/Kategorie:Mathematische_Struktur" title="Kategorie:Mathematische Struktur – tyska" lang="de" hreflang="de" data-title="Kategorie:Mathematische Struktur" data-language-autonym="Deutsch" data-language-local-name="tyska" 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%9A%CE%B1%CF%84%CE%B7%CE%B3%CE%BF%CF%81%CE%AF%CE%B1:%CE%9C%CE%B1%CE%B8%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CE%BA%CE%AD%CF%82_%CE%B4%CE%BF%CE%BC%CE%AD%CF%82" title="Κατηγορία:Μαθηματικές δομές – grekiska" lang="el" hreflang="el" data-title="Κατηγορία:Μαθηματικές δομές" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" 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/Category:Mathematical_structures" title="Category:Mathematical structures – engelska" lang="en" hreflang="en" data-title="Category:Mathematical structures" data-language-autonym="English" data-language-local-name="engelska" 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/Categor%C3%ADa:Estructuras_matem%C3%A1ticas" title="Categoría:Estructuras matemáticas – spanska" lang="es" hreflang="es" data-title="Categoría:Estructuras matemáticas" data-language-autonym="Español" data-language-local-name="spanska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%D8%AF%D9%87:%D8%B3%D8%A7%D8%AE%D8%AA%D8%A7%D8%B1%D9%87%D8%A7%DB%8C_%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C%D8%A7%D8%AA%DB%8C" title="رده:ساختارهای ریاضیاتی – persiska" lang="fa" hreflang="fa" data-title="رده:ساختارهای ریاضیاتی" data-language-autonym="فارسی" data-language-local-name="persiska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B6%84%EB%A5%98:%EC%88%98%ED%95%99%EC%A0%81_%EA%B5%AC%EC%A1%B0" title="분류:수학적 구조 – koreanska" lang="ko" hreflang="ko" data-title="분류:수학적 구조" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B6%E0%A5%8D%E0%A4%B0%E0%A5%87%E0%A4%A3%E0%A5%80:%E0%A4%97%E0%A4%A3%E0%A4%BF%E0%A4%A4%E0%A5%80%E0%A4%AF_%E0%A4%B8%E0%A4%82%E0%A4%B0%E0%A4%9A%E0%A4%A8%E0%A4%BE%E0%A4%8F%E0%A4%81" title="श्रेणी:गणितीय संरचनाएँ – hindi" lang="hi" hreflang="hi" data-title="श्रेणी:गणितीय संरचनाएँ" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kategori:Struktur_matematika" title="Kategori:Struktur matematika – indonesiska" lang="id" hreflang="id" data-title="Kategori:Struktur matematika" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%90%E1%83%A2%E1%83%94%E1%83%92%E1%83%9D%E1%83%A0%E1%83%98%E1%83%90:%E1%83%9B%E1%83%90%E1%83%97%E1%83%94%E1%83%9B%E1%83%90%E1%83%A2%E1%83%98%E1%83%99%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%A1%E1%83%A2%E1%83%A0%E1%83%A3%E1%83%A5%E1%83%A2%E1%83%A3%E1%83%A0%E1%83%94%E1%83%91%E1%83%98" title="კატეგორია:მათემატიკური სტრუქტურები – georgiska" lang="ka" hreflang="ka" data-title="კატეგორია:მათემატიკური სტრუქტურები" data-language-autonym="ქართული" data-language-local-name="georgiska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Categoria:Structurae_mathematicae" title="Categoria:Structurae mathematicae – latin" lang="la" hreflang="la" data-title="Categoria:Structurae mathematicae" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Kategorija:Matem%C4%81tiskas_strukt%C5%ABras" title="Kategorija:Matemātiskas struktūras – lettiska" lang="lv" hreflang="lv" data-title="Kategorija:Matemātiskas struktūras" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Kategorie:Mathematesch_Strukturen" title="Kategorie:Mathematesch Strukturen – luxemburgiska" lang="lb" hreflang="lb" data-title="Kategorie:Mathematesch Strukturen" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgiska" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%98%D0%B0:%D0%9C%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%BA%D0%B8_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B8" title="Категорија:Математички структури – makedonska" lang="mk" hreflang="mk" data-title="Категорија:Математички структури" data-language-autonym="Македонски" data-language-local-name="makedonska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kategori:Struktur_matematik" title="Kategori:Struktur matematik – malajiska" lang="ms" hreflang="ms" data-title="Kategori:Struktur matematik" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" 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/Categorie:Wiskundige_structuur" title="Categorie:Wiskundige structuur – nederländska" lang="nl" hreflang="nl" data-title="Categorie:Wiskundige structuur" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Category:%E6%95%B0%E5%AD%A6%E7%9A%84%E6%A7%8B%E9%80%A0" title="Category:数学的構造 – japanska" lang="ja" hreflang="ja" data-title="Category:数学的構造" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Kategori:Matematiske_strukturer" title="Kategori:Matematiske strukturer – norskt bokmål" lang="nb" hreflang="nb" data-title="Kategori:Matematiske strukturer" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Kategori:Matematiske_strukturar" title="Kategori:Matematiske strukturar – nynorska" lang="nn" hreflang="nn" data-title="Kategori:Matematiske strukturar" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Categorie:Structuri_matematice" title="Categorie:Structuri matematice – rumänska" lang="ro" hreflang="ro" data-title="Categorie:Structuri matematice" data-language-autonym="Română" data-language-local-name="rumänska" 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%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%9C%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D1%8B" title="Категория:Математические структуры – ryska" lang="ru" hreflang="ru" data-title="Категория:Математические структуры" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Category:Mathematical_structurs" title="Category:Mathematical structurs – skotska" lang="sco" hreflang="sco" data-title="Category:Mathematical structurs" data-language-autonym="Scots" data-language-local-name="skotska" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Kategorija:Matemati%C4%8Dne_strukture" title="Kategorija:Matematične strukture – slovenska" lang="sl" hreflang="sl" data-title="Kategorija:Matematične strukture" data-language-autonym="Slovenščina" data-language-local-name="slovenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%BE%DB%86%D9%84:%D9%BE%DB%8E%DA%A9%DA%BE%D8%A7%D8%AA%DB%95_%D9%85%D8%A7%D8%AA%D9%85%D8%A7%D8%AA%DB%8C%DA%A9%DB%8C%DB%8C%DB%95%DA%A9%D8%A7%D9%86" title="پۆل:پێکھاتە ماتماتیکییەکان – centralkurdiska" lang="ckb" hreflang="ckb" data-title="پۆل:پێکھاتە ماتماتیکییەکان" data-language-autonym="کوردی" data-language-local-name="centralkurdiska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%98%D0%B0:%D0%9C%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%BA%D0%B5_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B5" title="Категорија:Математичке структуре – serbiska" lang="sr" hreflang="sr" data-title="Категорија:Математичке структуре" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Kategorija:Matemati%C4%8Dke_strukture" title="Kategorija:Matematičke strukture – serbokroatiska" lang="sh" hreflang="sh" data-title="Kategorija:Matematičke strukture" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AB%E0%B8%A1%E0%B8%A7%E0%B8%94%E0%B8%AB%E0%B8%A1%E0%B8%B9%E0%B9%88:%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%87%E0%B8%AA%E0%B8%A3%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%84%E0%B8%93%E0%B8%B4%E0%B8%95%E0%B8%A8%E0%B8%B2%E0%B8%AA%E0%B8%95%E0%B8%A3%E0%B9%8C" title="หมวดหมู่:โครงสร้างทางคณิตศาสตร์ – thailändska" lang="th" hreflang="th" data-title="หมวดหมู่:โครงสร้างทางคณิตศาสตร์" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kategori:Matematiksel_yap%C4%B1lar" title="Kategori:Matematiksel yapılar – turkiska" lang="tr" hreflang="tr" data-title="Kategori:Matematiksel yapılar" data-language-autonym="Türkçe" data-language-local-name="turkiska" 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%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D1%96%D1%8F:%D0%9C%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%BD%D1%96_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B8" title="Категорія:Математичні структури – ukrainska" lang="uk" hreflang="uk" data-title="Категорія:Математичні структури" data-language-autonym="Українська" data-language-local-name="ukrainska" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B2%D9%85%D8%B1%DB%81:%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C%D8%A7%D8%AA%DB%8C_%D8%B3%D8%A7%D8%AE%D8%AA%DB%8C%DA%BA" title="زمرہ:ریاضیاتی ساختیں – urdu" lang="ur" hreflang="ur" data-title="زمرہ:ریاضیاتی ساختیں" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Category:%E6%95%B0%E5%AD%A6%E7%BB%93%E6%9E%84" title="Category:数学结构 – kinesiska" lang="zh" hreflang="zh" data-title="Category:数学结构" data-language-autonym="中文" data-language-local-name="kinesiska" 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/Q7215294#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</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="Namnrymder"> <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-category" class="selected vector-tab-noicon mw-list-item"><a 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class="mw-indicator"><a href="/wiki/Wikipedia:Kategorier" target="_blank" class="mw-helplink"><span class="mw-helplink-icon"></span>Hjälp</a></div> </div> <div id="siteSub" class="noprint">Från Wikipedia</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="sv" dir="ltr"><div class="noprint huvudartikel" style="font-style:italic;"> <dl><dd>Huvudartikel: <a href="/wiki/Struktur_(matematik)" title="Struktur (matematik)">Struktur (matematik)</a></dd></dl></div>    </div><div class="mw-category-generated" lang="sv" dir="ltr"><div id="mw-subcategories"> <h2>Underkategorier</h2> <p>Denna kategori har följande 5 underkategorier (av totalt 5). </p><div lang="sv" dir="ltr" class="mw-content-ltr"><div class="mw-category"><div class="mw-category-group"><h3>A</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Algebraiska_strukturer" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Algebraiska_strukturer" title="Kategori:Algebraiska strukturer">Algebraiska strukturer</a></bdi> <span title="Innehåller 3 underkategorier, 13 sidor, och 0 filer" dir="ltr">(3 kategorier, 13 sidor)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div><div class="mw-category-group"><h3>F</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Följder_och_serier" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:F%C3%B6ljder_och_serier" title="Kategori:Följder och serier">Följder och serier</a></bdi> <span title="Innehåller 6 underkategorier, 7 sidor, och 0 filer" dir="ltr">(6 kategorier, 7 sidor)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div><div class="mw-category-group"><h3>H</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Homogena_rum" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Homogena_rum" title="Kategori:Homogena rum">Homogena rum</a></bdi> <span title="Innehåller 1 underkategori, 1 sida, och 0 filer" dir="ltr">(1 kategori, 1 sida)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div><div class="mw-category-group"><h3>K</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Kategoriteori" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Kategoriteori" title="Kategori:Kategoriteori">Kategoriteori</a></bdi> <span title="Innehåller 6 underkategorier, 11 sidor, och 0 filer" dir="ltr">(6 kategorier, 11 sidor)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div><div class="mw-category-group"><h3>T</h3> <ul><li><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Topologi" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Topologi" title="Kategori:Topologi">Topologi</a></bdi> <span title="Innehåller 16 underkategorier, 38 sidor, och 0 filer" dir="ltr">(16 kategorier, 38 sidor)</span></div><div class="CategoryTreeChildren" style="display:none"></div></div></li></ul></div></div></div> </div><div id="mw-pages"> <h2>Artiklar i kategorin "Matematiska strukturer"</h2> <p>Följande 7 sidor (av totalt 7) finns i denna kategori. </p><div lang="sv" dir="ltr" class="mw-content-ltr"><div class="mw-category mw-category-columns"><div class="mw-category-group"><h3> </h3> <ul><li><a href="/wiki/Struktur_(matematik)" 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