from github to this gitea

ensemble des permutations.md

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+up::[[permutation]]
+title:: "$\mathfrak{S}_{n}$ permutations à $n$ éléments"
+#maths/algèbre 
+
+----
+
+On note $\mathfrak S_n$ L'ensemble des [[permutation|permutations]] à $n$ éléments.
+
+# Exemple
+
+$\mathfrak S_2 = \left\{ \begin{pmatrix}1&2\\1&2\end{pmatrix}; \begin{pmatrix}1&2\\2&1\end{pmatrix} \right\}$
+
+$\mathfrak S_3 = \left\{ \begin{pmatrix}1&2&3\\1&2&3\end{pmatrix}; \begin{pmatrix}1&2&3\\1&3&2\end{pmatrix}; \begin{pmatrix}1&2&3\\2&1&3\end{pmatrix}; \begin{pmatrix}1&2&3\\2&3&1\end{pmatrix}; \begin{pmatrix}1&2&3\\3&1&2\end{pmatrix}; \begin{pmatrix}1&2&3\\3&2&1\end{pmatrix}\right\}$
+
+