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# Differences

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semigroup [2007/05/05 16:10] (current)
vkuncak created
Line 1: Line 1:
+====== Semigroup ======
+
+Semigroup is a pair $(G,*)$ where $* : G^2 \to G$ such that $*$ is associative,​ that is, for all $x,y, z \in G$,
+\begin{equation*}
+  x * (y * z) = (x * y) * z
+\end{equation*}