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Idempotence
Idempotence
( ) is the property of certain
operations
in
mathematics
and
computer science
, that can be applied multiple times without changing the result beyond the initial application. The concept of idempotence arises in a number of places in
abstract algebra
(in particular, in the theory of
projector
s and
closure operators
) and
functional programming
(in which it is connected to the property of
referential transparency
).
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