equivalence class

equivalence class

noun Mathematics.
the set of elements associated by an equivalence relation with a given element of a set.

Origin:
1950–55

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equivalence class definition

mathematics
An equivalence class is a subset whose elements are related to each other by an equivalence relation. The equivalence classes of a set under some relation form a partition of that set (i.e. any two are either equal or disjoint and every element of the set is in some class).
(1996-05-13)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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