1) Basic concept in set theory
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https://www.crosswordclues.com/clue/ordered-pair
In mathematics, an ordered pair (a, b) is a pair of mathematical objects. The order in which the objects appear in the pair is significant: the ordered pair (a, b) is different from the ordered pair (b, a) unless a = b. (In contrast, the unordered pair {a, b} equals the unordered pair {b, a}.) Ordered pairs are also called 2-tuples, or sequences o...
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http://en.wikipedia.org/wiki/Ordered_pair
(from the article `set theory`) The Cartesian product of two sets and , denoted by , is defined as the set consisting of all ordered pairs (, ) for which and . For example, ... ...such as 0 with the empty set, , 1 with the singleton empty set {}, and so on. The crucial mathematical notions of r...
Found on
http://www.britannica.com/eb/a-z/o/27
A pair of numbers used to locate a point on a coordinate plane; the first number tells how far to move horizontally and the second number tells how far to move vertically Example: (1,2) represents 1 unit to the right of zero and 2 units up.
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https://www.encyclo.co.uk/local/20874
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.
Found on
https://www.infoplease.com/dictionary/ordered-pair
No exact match found.
