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ordered pair

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ordered pair

–noun
Mathematics. 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.

Origin:
1950–55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Main Entry:  ordered pair
Part of Speech:  n
Definition:  in mathematics, a pair of distinct elements or two ordered numbers, often used to match numbers in relations or functions
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