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identity element

noun

Definition of identity element

:an element (such as 0 in the set of all integers under addition or 1 in the set of positive integers under multiplication) that leaves any element of the set to which it belongs unchanged when combined with it by a specified operation

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First Known Use of identity element

1902

Phrases Related to IDENTITY ELEMENT

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  1. Britannica.com: Encyclopedia article about identity element

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