diff --git a/jl-cours/environments.tex b/jl-cours/environments.tex
index c939f5c..2310cfa 100644
--- a/jl-cours/environments.tex
+++ b/jl-cours/environments.tex
@@ -137,6 +137,39 @@
   }
 }
 
+% consequence
+\NewDocumentEnvironment{consequence}{ s o }{
+  \IfBooleanTF {#1} {
+    % if starred: without title
+    \IfNoValueTF {#2} {
+      % if no subtitle
+      \begin{@csq2}
+
+    }{
+      % if subtitle
+      \begin{@csq2}[#2]
+
+    }
+  }{
+    % if not starred: with title
+    \IfNoValueTF {#2} {
+      % if no subtitle
+      \begin{@csq1}
+
+    }{
+      % if subtitle
+      \begin{@csq1}[#2]
+
+    }
+  }
+}{
+  \IfBooleanTF {#1} {
+    \end{@csq2}
+  }{
+    \end{@csq1}
+  }
+}
+
 % vocabulaire
 \NewDocumentEnvironment{vocabulaire}{ s o }{
   \IfBooleanTF {#1} {
diff --git a/jl-cours/jl-cours.cls b/jl-cours/jl-cours.cls
index 5234095..94472c4 100644
--- a/jl-cours/jl-cours.cls
+++ b/jl-cours/jl-cours.cls
@@ -262,9 +262,9 @@
   }
 }
 
-%% page
+%% pagesuivante
 %%
-\NewDocumentCommand{\nextpage}{}{
+\NewDocumentCommand{\pagesuivante}{}{
   \newpage
   \thispagestyle{plain}
   \lefoot*{}
diff --git a/jl-cours/mdtheorem.tex b/jl-cours/mdtheorem.tex
index deec09f..1bdc7eb 100644
--- a/jl-cours/mdtheorem.tex
+++ b/jl-cours/mdtheorem.tex
@@ -116,6 +116,32 @@
   \end{@dem2*}
 }
 
+% consequence
+\mdtheorem[style=nologo, theoremseparator={}, theoremspace={},
+           outerlinewidth=1pt, outerlinecolor=black]{@csq1}{Conséquence(s)}
+\mdtheorem[style=nologo, theoremseparator={}, theoremspace={},
+           outerlinewidth=1pt, outerlinecolor=black]{@csq2}{}
+
+\RenewDocumentEnvironment{@csq1}{ o } {%begin
+  \IfNoValueTF {#1} {
+    \begin{@csq1*}
+  }{
+    \begin{@csq1*}[\hfill{\normalfont\slshape#1}]
+  }
+}{%end
+  \end{@csq1*}
+}
+
+\RenewDocumentEnvironment{@csq2}{ o } {%begin
+  \IfNoValueTF {#1} {
+    \begin{@csq2*}
+  }{
+    \begin{@csq2*}[\hfill{\normalfont\slshape#1}]
+  }
+}{%end
+  \end{@csq2*}
+}
+           
 % vocabulaire
 \mdtheorem[style=pencil, theoremseparator={},
            theoremspace={}]{@voc1}{Vocabulaire}