MetaGlossary.com: Subcategory

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Keywords: Category, Intuitively, Narrowly, Broader, Arrows

Related Terms: Category, Class , Class , Classification, Classified, Classify, Hierarchy, Taxonomy, Dewey Decimal Classification, Generalization, Ddc, Class Hierarchy, Class , Hierarchy, Category, Subtype, Categorical Data, Level, Contingency Table, Nominal Scale, Category, Classifier, Facet, Typology, Classification Scheme, Ordinal Data, Dewey Decimal Classification System, Prototype, Categories, Category, Classification System, Cross Tabulation, List, Section, Categories, Morphism, Categorical Variable, Parent Category, Instance, Classifier, Broader Term, Category, Category, Class Instance, Concept, Supertype, Taxonomy, Topos, Type Hierarchy

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a category within a category

http://www.mathreference.com/cat,def.html

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A subject category that is more narrowly focused than the broader subject category above it in a hierarchy.

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Category contained within another. Related terms: Category

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A category that is a more specific part of the category that contains it. For example, a category called "Departments" might contain subcategories called "Engineering," "Finance," and "Marketing."

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In mathematics, a subcategory of a category C is a category S whose objects are objects in C and whose arrows f:A\to B are arrows in C (with the same source and target). Intuitively, a subcategory of C is therefore a category obtained from C by "removing" objects and arrows.

http://en.wikipedia.org/wiki/Subcategory

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