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additive identity
n.
An element that in a given mathematical system leaves unchanged any element to which it is added.
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Universalium. 2010.
additiveidentity
Look at other dictionaries:
Additive identity — In mathematics the additive identity of a set which is equipped with the operation of addition is an element which, when added to any element x in the set, yields x . One of the most familiar additive identities is the number 0 from elementary… … Wikipedia
