+An **equivalence relation** divides a set into distinct [Equivalence Classes](/wiki/equivalence_class), grouping elements that share a fundamental property. It embodies the essence of sameness, satisfying reflexivity, symmetry, and [Transitivity](/wiki/transitivity).
+## See also
+- [Set Theory](/wiki/set_theory)
+- [Binary Relation](/wiki/binary_relation)
+- [Partition](/wiki/partition)
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