--- a/Slides/document/root.tex	Sat Nov 26 09:44:34 2011 +0000
+++ b/Slides/document/root.tex	Sat Nov 26 09:47:21 2011 +0000
@@ -1,4 +1,5 @@
 \usepackage{beamerthemeplainculight}
+
 \usepackage[T1]{fontenc}
 \usepackage{proof}
 \usepackage{german}
@@ -14,12 +15,13 @@
 \usepackage{pgf}
 \usepackage{calc} 
 \usepackage{ulem}
-%%%\newcommand{\uline}[1]{}
+\renewcommand{\uline}[1]{#1}
 \usetikzlibrary{arrows}
 \usetikzlibrary{automata}
 \usetikzlibrary{shapes}
 \usetikzlibrary{shadows}
 \usetikzlibrary{positioning}
+\usetikzlibrary{calc}
 %%%\usetikzlibrary{mindmap}
 
 \usepackage{graphicx}