Subcategory vs. Category

Subcategorynoun

With respect to a given category, a more narrow category.

Subcategorynoun

(category theory) A subclass of a category which is itself a category, whose arrows are a restriction of the arrows of the parent category, and whose composition rule is a restriction of the parent category's

Subcategory

In mathematics, specifically category theory, a subcategory of a category C is a category S whose objects are objects in C and whose morphisms are morphisms in C with the same identities and composition of morphisms. Intuitively, a subcategory of C is a category obtained from C by some of its objects and arrows.

Categorynoun

A group, often named or numbered, to which items are assigned based on similarity or defined criteria.

Categorynoun

(mathematics) A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow, and such that arrow composition is associative.

Categorynoun

One of the highest classes to which the objects of knowledge or thought can be reduced, and by which they can be arranged in a system; an ultimate or undecomposable conception; a predicament.

Categorynoun

Class; also, state, condition, or predicament; as, we are both in the same category.

Categorynoun

a collection of things sharing a common attribute;

Categorynoun

a general concept that marks divisions or coordinations in a conceptual scheme

Categorynoun

a class or division of people or things regarded as having particular shared characteristics

Categorynoun

each of a possibly exhaustive set of classes among which all things might be distributed.

Categorynoun

each of the a priori conceptions applied by the mind to sense impressions.