classes/categories Category of being Categories (Aristotle) Category (Kant) Categories (Peirce) Category (Vaisheshika) Stoic categories Category mistake...

the intensities of tropical depressions and tropical storms—into five categories distinguished by the intensities of their sustained winds. This measuring...

specifically in category theory, the category of small categories, denoted by Cat, is the category whose objects are all small categories and whose morphisms...

The pregnancy category of a medication is an assessment of the risk of fetal injury due to the pharmaceutical, if it is used as directed by the mother...

prototypical example of an abelian category is the category of abelian groups, Ab. Abelian categories are very stable categories; for example they are regular...

A category mistake (or category error, categorical mistake, or mistake of category), is a semantic or ontological error in which things belonging to a...

specifically in category theory, a preadditive category is another name for an Ab-category, i.e., a category that is enriched over the category of abelian...

In mathematics, a category (sometimes called an abstract category to distinguish it from a concrete category) is a collection of "objects" that are linked...

In mathematics, particularly in homotopy theory, a model category is a category with distinguished classes of morphisms ('arrows') called 'weak equivalences'...

In mathematics, higher category theory is the part of category theory at a higher order, which means that some equalities are replaced by explicit arrows...