Categories — Category Cat e*go*ry, n.; pl. {Categories}. [L. categoria, Gr. ?, fr. ? to accuse, affirm, predicate; ? down, against + ? to harrangue, assert, fr. ? assembly.] 1. (Logic.) One of the highest classes to which the objects of knowledge or thought… … The Collaborative International Dictionary of English
Categories (Aristotle) — Categories (Lat. Categoriae , Greek Κατηγορίαι Katēgoriai ) is a text from Aristotle s Organon that enumerates all the possible kinds of thing which can be the subject or the predicate of a proposition.The Categories places every object of human… … Wikipedia
Categories for the Working Mathematician — is a textbook in category theory written by American mathematician Saunders Mac Lane, who cofounded the subject together with Samuel Eilenberg. It was first published in 1971, and is based on his lectures on the subject given at the University of … Wikipedia
Categories of rallies — Rallying makes up the majority of the grassroots of amateur motorsport, especially in the UK. Motor Clubs will usually run one or more rallies each year. Joining your local motorclub and getting involved in the various activities is the best way… … Wikipedia
categories of data — Data derived from open sources or from detectable actions that adversaries can piece together or interpret to reach personal conclusions or official estimates concerning friendly intentions, capabilities, or activities. (Note: In operations… … Military dictionary
Equivalence of categories — In category theory, an abstract branch of mathematics, an equivalence of categories is a relation between two categories that establishes that these categories are essentially the same . There are numerous examples of categorical equivalences… … Wikipedia
Isomorphism of categories — In category theory, two categories C and D are isomorphic if there exist functors F : C rarr; D and G : D rarr; C which are mutually inverse to each other, i.e. FG = 1 D (the identity functor on D ) and GF = 1 C . This means that both the objects … Wikipedia
Category of small categories — In mathematics, specifically in category theory, the category of small categories, denoted by Cat, is the category whose objects are all small categories and whose morphisms are functors between categories. Cat may actually be regarded as a 2… … Wikipedia
List of dance style categories — This is a list of the dance style categories. These categories are not mutually exclusive and are context dependent (i.e., a particular dance may belong to several categories). For older and more region orientated vernacular dance styles, see… … Wikipedia
List of software categories — Computer software can be organized into categories based on common function, type, or field of use. A list follows of common software categories.Categories of software*Applications **Accounting **Enterprise Resource Planning **Financial*Data **CD … Wikipedia
Operational risk — Categories of financial risk Credit risk Concentration risk Market risk Interest rate risk Currency risk Equity risk Commodity risk Liquidity risk Refinancing risk … Wikipedia
