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@@ -6,7 +6,7 @@ alias: ["commutative", "commutatif"]
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up::[[structure algébrique]]
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title::"$\forall (a, b) \in \mathbf{E}^{2},\quad a*b = b*a$"
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#maths/algèbre
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#s/maths/algèbre
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---
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Soit $*$ une [[loi de composition interne]] sur $E$.
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