Ivan Shishkin, Birch Grove

Anneau commutatif

Definition / General algebra / Reviewed

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Définition formelle :

Un anneau commutatif (R,+,×)(R,+,\times) est un anneau dont la loi multiplicative ×\times est commutative, c’est-à-dire :
∀x,y∈R,  x×y=y×x\forall x,y\in R, \;x\times y=y\times x

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