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least upper bound

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noun Mathematics.
an upper bound that is less than or equal to all the upper bounds of a particular set. 3 is the least upper bound of the set consisting of 1, 2, 3.Abbreviation: lub
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QUIZ YOURSELF ON OPPOSITES OF RED BEFORE YOU TURN SCARLET
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Which of the following colors is used to symbolize AIR?
Also called supremum.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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