 ##  [Equivalence Relation](/equivalence-relation) 

  ##  [Equivalence Relation](https://mathlogic.quantumdictionary.io/equivalence-relation-0) 

  
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- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

A binary relation on a set that is reflexive, symmetric, and transitive; it partitions the set into disjoint equivalence classes whose members are indistinguishable for the relation.