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I'd add triangulated category, but I don't know which section it should be in. Michael Hardy 02:50, 2 Apr 2005 (UTC)
It's now under Additive structure, which is reasonable - categories of modules, sheaves of abelian groups, that's the right general context.
Charles Matthews 12:01, 2 Apr 2005 (UTC)
Is there a cartesian closed concrete category which is small enough to write out explicitly? It would be helpful in learning about map objects, exponentiation, distributivity and other topics. Can such a category be made with binary numbers for instance? Is there a way to avoid having an infinite number of objects?
Thanks, ... PeterEasthope ( talk) 15:19, 13 February 2008 (UTC)
" Outline" is short for "hierarchical outline". There are two types of outlines: sentence outlines (like those you made in school to plan a paper), and topic outlines (like the topical synopses that professors hand out at the beginning of a college course). Outlines on Wikipedia are primarily topic outlines that serve 2 main purposes: they provide taxonomical classification of subjects showing what topics belong to a subject and how they are related to each other (via their placement in the tree structure), and as subject-based tables of contents linked to topics in the encyclopedia. The hierarchy is maintained through the use of heading levels and indented bullets. See Wikipedia:Outlines for a more in-depth explanation. The Transhumanist 00:04, 9 August 2015 (UTC)