equivalence relation(redirected from Identification (mathematics))
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A reflexive, symmetric, and transitive relationship between elements of a set, such as congruence for the set of all triangles in a plane.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Logic) logic maths a relation that is reflexive, symmetric, and transitive: it imposes a partition on its domain of definition so that two elements belong to the same subset if and only if the relation holds between them
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