Additive notation
The additive notation indicates the fact of noting " +" the operation interns in a given algebraic structure (monoid, group, vector space). It should be noted that " is called; group additif" an abelian group (i.e. commutative) whose law is noted thus.
Neutral element
It is noted .
Multiples
Thus, one speaks about multiples for a group, in the case of a finished succession of identical elements bound by the noted associated operation " " (and it is named sometimes " addition" or " somme").
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