diff --git a/Boites.tex b/Boites.tex
index e16387d..cc780ea 100755
--- a/Boites.tex
+++ b/Boites.tex
@@ -10,21 +10,21 @@
 \node [mybox] (box){%
     \begin{minipage}{0.8\textwidth}
     	\BODY
-	\end{minipage} }; 
+	\end{minipage} };
 \node[fancytitle, right=10pt] at (box.north west) {\textbf{Définition}};
 \end{tikzpicture}\end{center}\par
 }
 
-\NewEnviron{thm}{\par
-\begin{center}
-\begin{tikzpicture}
-\node [mybox] (box){%
-    \begin{minipage}{0.8\textwidth}
-    	\BODY
-	\end{minipage} }; 
-\node[fancytitle, right=10pt] at (box.north west) {\textbf{Théorème}};
-\end{tikzpicture}\end{center}\par
-}
+% \NewEnviron{thm}{\par
+% \begin{center}
+% \begin{tikzpicture}
+% \node [mybox] (box){%
+%     \begin{minipage}{0.8\textwidth}
+%     	\BODY
+% 	\end{minipage} };
+% \node[fancytitle, right=10pt] at (box.north west) {\textbf{Théorème}};
+% \end{tikzpicture}\end{center}\par
+%}
 
 \usepackage{thmbox}
 \usepackage{xparse}
@@ -37,6 +37,14 @@
   \endthmbox\vspace*{.75ex}\end{minipage}\end{center}%
   }
 
+\NewDocumentEnvironment{thm}{o}{%
+\begin{center}\begin{minipage}{0.8\textwidth}
+  \thmbox[M]{\textbf{Théorème \IfNoValueTF{#1}{}{\em (#1)}}}%
+  %\hspace*{-1.5em}%
+  }
+  {%
+  \endthmbox\vspace*{.75ex}\end{minipage}\end{center}%
+  }
 
 
 \NewDocumentEnvironment{corol}{o}{%
@@ -59,4 +67,4 @@
 
 \newenvironment{rem}{\par\textbf{Remarque: }\nopagebreak}{\par}
 \newenvironment{exemple}{\par\textbf{Exemple: }\nopagebreak}{\par}
-\newenvironment{preuve}{\par\textit{Démonstration: }\nopagebreak}{\par}
\ No newline at end of file
+\newenvironment{preuve}{\par\textit{Démonstration: }\nopagebreak}{\par}
diff --git a/Raccourcis.tex b/Raccourcis.tex
index 6b60aff..a0b67f6 100755
--- a/Raccourcis.tex
+++ b/Raccourcis.tex
@@ -59,7 +59,11 @@
 {#1}\longrightarrow {#2} \\
 {#3}\longmapsto {#4}
 \end{array}\right.}
-
+\newcommand{\vect}[1]{%
+  \begin{bmatrix}
+    #1
+  \end{bmatrix}
+}
 
 \makeatletter