equivalence relation


noun Mathematics.

a relation that is reflexive, symmetrical, and transitive, as equality.

Origin of equivalence relation

First recorded in 1945–50

British Dictionary definitions for equivalence relation

equivalence relation

noun

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