同どう値ち関かん係けい

noun

equivalence relation

A mathematical term for a binary relation that is reflexive, symmetric, and transitive.

• 同どう値ち関かん係けいは、集しゅう合ごうの要よう素そを同どう値ち類るいに分ぶん類るいする。

  An equivalence relation partitions the elements of a set into equivalence classes.