least upper bound
nounMathematics.
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
- Also called supremum.
Words Nearby least upper bound
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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