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upper bound

noun, Mathematics
an element greater than or equal to all the elements in a given set: 3 and 4 are upper bounds of the set consisting of 1, 2, and 3. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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upper bound in Science
upper bound  
A number that is greater than or equal to every number in a given set.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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upper bound in Technology

An upper bound of two elements x and y under some relation <= is an element z such that x <= z and y <= z.
("<=" is written in LaTeX as \sqsubseteq).
See also least upper bound.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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