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Category may refer to: Category (philosophy) taxonomic category - Taxonomic rank; Category (grammar) Category (mathematics) Categories; Category (Kant) Categories (Stoic) Categories (game), a game involving naming categories of things; Category (topology) in the context of Baire spaces; Lyusternik–Schnirelmann category, sometimes called LS-category or simply category; Category (chess tournament)
noun, plural -ries. 1. any general or comprehensive division; a class. 2. a classificatory division in any field of knowledge, as a phylum or any of its subdivisions in biology.
In mathematics, a category is a fundamental and abstract way to describe mathematical entities and their relationships. A category is composed of a collection of abstract "objects" of any kind, linked together by a collection of abstract "arrows" of any kind that have a few basic properties (the ability to compose the arrows associatively and the existence of an identity arrow for each object).
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Category (mathematics) - Wikipedia, the free encyclopedia
In mathematics, a category is a fundamental and abstract way to describe mathematical entities and their relationships. A category is composed of a collection of abstract "objects" of any kind, linked together by a collection of abstract "arrows" of any kind that have a few basic properties (the ability to compose the arrows associatively and the existence of an identity arrow for each object).
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What is a category? A category is a ReverseIndex to related Wiki pages. Instead of a category page containing forward links to pages of that category, page authors can put a ...
A category is a software feature of MediaWiki. Categories provide automatic indexes that are useful as tables of contents. Together with links and templates they structure a ...
From the Simple English Wikipedia, the free encyclopedia that anyone can change
noun, plural -ries. 1. any general or comprehensive division; a class. 2. a classificatory division in any field of knowledge, as a phylum or any of its subdivisions in biology.
noun pl. categories-·ries. a class or division in a scheme of classification; Logic any of the various basic concepts into which all knowledge can be classified
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