# Equipotent sets

From Encyclopedia of Mathematics

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$A$, $B$

Two sets with a bijection between them. Equipotence is an equivalence relation on a family of sets. Cardinality is the abstraction of the common property of equipotent sets.

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Equipotent sets.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Equipotent_sets&oldid=36205