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• Cofinal — may refer to: Cofinal (mathematics) Cofinality (mathematics) Cofinal (music), a part of some Gregorian chants This disambiguation page lists articles associated with the same title. If an int …   Wikipedia

• Cofinal (mathematics) — In mathematics, let A be a set and let ≤ be a binary relation on A. Then a subset B of A is said to be cofinal if it satisfies the following condition: For every a ∈ A, there exists some b ∈ B such that a ≤ b. This… …   Wikipedia

• Cofinal (music) — In the church modes of Gregorian chant a cofinal ( cofinalis or affinalis ) is an alternative final or tonic. Typical a mode would end on either d, e, f, or g, while those ending on a, b, or c used the cofinal. (Hoppin 1978, p.66)ource*Hoppin,… …   Wikipedia

• cofinal — /koh fuyn l/, adj. Math. of or pertaining to a subset of a set with a partial order relation, as greater than or equal to, in which corresponding to each element in the set is an element in the subset that is in relation to the given element. [CO …   Universalium

• cofinal — adjective Exhibiting cofinality …   Wiktionary

• cofinal — /koh fuyn l/, adj. Math. of or pertaining to a subset of a set with a partial order relation, as greater than or equal to, in which corresponding to each element in the set is an element in the subset that is in relation to the given element. [CO …   Useful english dictionary

• Cofinality — Not to be confused with cofiniteness. In mathematics, especially in order theory, the cofinality cf(A) of a partially ordered set A is the least of the cardinalities of the cofinal subsets of A. This definition of cofinality relies on the axiom… …   Wikipedia

• Cofinalidad — En teoría de conjuntos y teoría del orden, un subconjunto A de un conjunto ordenado X es cofinal en X si no tiene cota superior en X. En teoría de conjuntos se utiliza este concepto para definir la noción de cofinalidad, que permite clasificar… …   Wikipedia Español

• Subnet (mathematics) — In topology and related areas of mathematics, a subnet is a generalization of the concept of subsequence to the case of nets. The definition is not completely straightforward, but is designed to allow as many theorems about subsequences to… …   Wikipedia

• Gregorian mode — The introit Quasi modo geniti, from which Quasimodo Sunday gets its name, is in Mode 6. A Gregorian mode (or church mode) is one of the eight systems of pitch organization used to describe Gregorian chant. The name of Pope Gregory I was attached… …   Wikipedia