1 files changed, 9 insertions, 0 deletions
diff --git a/library/wunschzettel.tex b/library/wunschzettel.tex
index b2681fd..74ea899 100644
--- a/library/wunschzettel.tex
+++ b/library/wunschzettel.tex
@@ -45,6 +45,15 @@ Tupel struct
     % more proof but now i can use the function f
 
     % --------------------------------------------------------
+    \begin{equation}
+        X=
+        \begin{cases}
+          0, & \text{if}\ a=1 \\
+          1, & \text{otherwise}
+        \end{cases}
+      \end{equation}
+
+
 
 
 \end{proof}