# Idempotence/Related Articles

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*See also changes related to Idempotence, or pages that link to Idempotence or to this page or whose text contains "Idempotence".*

## Parent topics

- Operation (mathematics) [r]: A function which maps some finite Cartesian product of a set to itself.
^{[e]}

## Subtopics

- Unary operation [r]: A function of one element in a set, which takes values from among the elements of the same set.
^{[e]} - Binary operation [r]: A function of two elements within a set, which assigns another value from among the elements of the set.
^{[e]}