Difference between revisions of "Help:Category"

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A '''category''' groups together various related articles. The category page itself is a page where all articles with that similar theme are listed. An example is  [[:Category:Stubs]]. All articles that contain <tt><nowiki>[[Category:Stub]]</nowiki></tt> formatting will be in this category (notice that <tt><nowiki>{{stub}}</nowiki></tt> automatically includes that category).
 
A '''category''' groups together various related articles. The category page itself is a page where all articles with that similar theme are listed. An example is  [[:Category:Stubs]]. All articles that contain <tt><nowiki>[[Category:Stub]]</nowiki></tt> formatting will be in this category (notice that <tt><nowiki>{{stub}}</nowiki></tt> automatically includes that category).
  
To directly add a page to a category, use the <nowiki>[[Category:Insert Category]]</nowiki> code. This page, for example, displays the <nowiki>[[Category:AoPSWiki]]</nowiki> code at the bottom.
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To directly add a page to a category, use the <nowiki>[[Category:Insert Category]]</nowiki> code. This page, for example, displays the <tt><nowiki>[[Category:AoPSWiki]]</nowiki></tt> code at the bottom.
  
To fix the alphabetization scheme on the category page, you can pipe a category. For example, <nowiki>[[Category:Mathematicians|Descartes, Rene]]</nowiki> will place [[Rene Descartes]] under D, not R.
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To fix the alphabetization scheme on the category page, you can pipe a category. For example, <nowiki>[[Category:Mathematicians|Descartes, Rene]]</nowiki> will place [[Rene Descartes]] under D, not R. You can also use <nowiki>{{DEFAULTSORT|Descartes, Rene}}</nowiki>.
  
 
Before creating a new category, be sure to check that such a category has not been created before (see the list below). It is possible to have a tree of categories; for example, we could have Category:Non-Euclidean geometry be a subcategory of Category:Geometry. In these cases, the specific category should be used.  
 
Before creating a new category, be sure to check that such a category has not been created before (see the list below). It is possible to have a tree of categories; for example, we could have Category:Non-Euclidean geometry be a subcategory of Category:Geometry. In these cases, the specific category should be used.  
  
 
== List of Categories ==
 
== List of Categories ==
[http://www.artofproblemsolving.com/Wiki/index.php/Special:Categories Here] is the official list of categories.
 
  
== See also ==
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[[Special:Categories|Here]] is the official list of categories.
* [[AoPSWiki:Tutorial]]
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* [[Template]]
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* [[:Category:Art of Problem Solving]]
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** [[:Category:AoPS Wiki]]
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=== Problem Categories ===
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* [[:Category:Introductory Geometry Problems]] / [[:Category:Intermediate Geometry Problems]] / [[:Category:Olympiad Geometry Problems]]
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** [[:Category:3D Geometry Problems]]
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** [[:Category:Angle Chasing Problems]]
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** [[:Category:Area Problems]]
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** [[:Category:Area Ratio Problems]]
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** [[:Category:Locus Problems]]
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** [[:Category:Similar Triangles Problems]]
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* [[:Category:Introductory Algebra Problems]] / [[:Category:Intermediate Algebra Problems]] / [[:Category:Olympiad Algebra Problems]]
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** [[:Category:Algebraic Manipulations Problems]]
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** [[:Category:Functional Equation Problems]]
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** [[:Category:Graphing Problems]]
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** [[:Category:Polynomial Problems]]
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** [[:Category:Series Problems]]
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* [[:Category:Introductory Combinatorics Problems]] / [[:Category:Intermediate Combinatorics Problems]] / [[:Category:Olympiad Combinatorics Problems]]
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** [[:Category:Geometric Probability Problems]]
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** [[:Category:Principle Inclusion-Exclusion Problems]]
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* [[:Category:Introductory Number Theory Problems]] / [[:Category:Intermediate Number Theory Problems]] / [[:Category:Olympiad Number Theory Problems]]
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** [[:Category:Diophantine Equation Problems]]
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** [[:Category:Modular Arithmetic Problems]]
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* [[:Category:Olympiad Inequality Problems]]
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* [[:Category:Introductory Trigonometry Problems]] / [[:Category:Intermediate Trigonometry Problems]] / [[:Category:Olympiad Trigonometry Problems]]
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== See Also ==
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* [[AoPS Wiki:Tutorial]]
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* [[Help:Template]]
  
 
{{tutorial}}
 
{{tutorial}}

Latest revision as of 20:42, 17 March 2025

Shortcut:

A category groups together various related articles. The category page itself is a page where all articles with that similar theme are listed. An example is Category:Stubs. All articles that contain [[Category:Stub]] formatting will be in this category (notice that {{stub}} automatically includes that category).

To directly add a page to a category, use the [[Category:Insert Category]] code. This page, for example, displays the [[Category:AoPSWiki]] code at the bottom.

To fix the alphabetization scheme on the category page, you can pipe a category. For example, [[Category:Mathematicians|Descartes, Rene]] will place Rene Descartes under D, not R. You can also use {{DEFAULTSORT|Descartes, Rene}}.

Before creating a new category, be sure to check that such a category has not been created before (see the list below). It is possible to have a tree of categories; for example, we could have Category:Non-Euclidean geometry be a subcategory of Category:Geometry. In these cases, the specific category should be used.

List of Categories

Here is the official list of categories.

Problem Categories

See Also

This article is a tutorial about the AoPSWiki or AoPS Forum.