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Stiles Wiki:Categorization: Difference between revisions
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[[File:Category-diagram.png|300px|thumb|right|Partial view of Stiles.casa Wiki's category system from 2007. Arrows point from category to sub-category.]] | [[File:Category-diagram.png|300px|thumb|right|Partial view of Stiles.casa Wiki's category system from 2007. Arrows point from category to sub-category.]] | ||
Categories are organized as overlapping "[[Tree structure|trees]]", formed by creating links between inter-related categories (in mathematics or computer science this structure is called <!--- | Categories are organized as overlapping "[[Tree structure|trees]]", formed by creating links between inter-related categories (in mathematics or computer science this structure is called <!---sw's cat.s don't have unique joins or meets---a lattice or---> a [[partially ordered set]]). Any category may contain (or "branch into") '''subcategories''', and it is possible for a category to be a subcategory of more than one "parent" category. (A is said to be a '''parent category''' of B when B is a subcategory of A.) <ref>Mathematically speaking, this means that the system approximates a [[directed acyclic graph]].</ref> | ||
There is one top-level category, [[:Category:Contents]]. All other categories are found below this. Hence every category apart from this top one must be a subcategory of at least one other category. | There is one top-level category, [[:Category:Contents]]. All other categories are found below this. Hence every category apart from this top one must be a subcategory of at least one other category. | ||