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@@ -5,7 +5,7 @@ sr-interval: 235
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sr-ease: 328
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---
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up::[[loi de composition interne]]
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#maths/algèbre
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#s/maths/algèbre
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> [!definition] associativité
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> Une [[loi de composition interne]] $*$ sur un ensemble $E$ est associative ssi : $\forall(a,b,c)\in E^3, a*(b*c) = (a*b)*c$
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