ordered+pair

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• Ordered pair — In mathematics, an ordered pair (a, b) is a pair of mathematical objects. In the ordered pair (a, b), the object a is called the first entry, and the object b the second entry of the pair. Alternatively, the objects are called the first and… …   Wikipedia

• ordered pair — An object associated with a set of two objects considered in a particular order. Thus the ordered pair <a,b> is not identical with the ordered pair <b,a>, just as the queue ‘a first and b next’ is not the queue ‘b first and a next’.… …   Philosophy dictionary

• ordered pair — Math. two quantities written in such a way as to indicate that one quantity precedes or is to be considered before the other, as (3, 4) indicates the Cartesian coordinates of a point in the plane. [1950 55] * * * …   Universalium

• ordered pair — noun A set containing exactly two elements in a fixed order, so that, when the elements are different, exchanging them gives a different set. Notation: (a, b) or See Also: triple, triplet, tuple …   Wiktionary

• ordered pair — Math. two quantities written in such a way as to indicate that one quantity precedes or is to be considered before the other, as (3, 4) indicates the Cartesian coordinates of a point in the plane. [1950 55] …   Useful english dictionary

• ordered pairs — ordered pair …   Philosophy dictionary

• ordered — adj. 1. having or evincing a systematic arrangement; especially, having elements succeeding in order according to rule; as, an ordered sequence; an ordered pair. Opposite of {disordered} or {unordered}. [Narrower terms: {abecedarian,… …   The Collaborative International Dictionary of English

• ordered n-tuple — A generalization of the notion of an ordered pair to sequences of n objects. The ordered n tuple < x 1… x n > can be treated as < < x 1… x n–1 >, x n >, i.e. the ordered pair that has the first n – 1 objects as first member, and …   Philosophy dictionary

• Pair — The word pair, derived via the French words pair/paire from the Latin par equal , can refer to:* 2 (number), two of something * Topological pair, an inclusion of topological spaces. * Au pair, a work agreement * Couple, various senses for two… …   Wikipedia

• Pair of spaces — In mathematics, particularly algebraic topology, a pair of spaces is an ordered pair ( X , A ) where X is a topological space and A a subspace (with the subspace topology). The use of pairs of spaces is sometimes more convenient and technically… …   Wikipedia

• Ordered vector space — A point x in R2 and the set of all y such that x≤y (in red). The order here is x≤y if and only if x1 ≤ y1 and x2 ≤ y2. In mathematics an ordered vector space or partially ordered vector space is a vector space equi …   Wikipedia