diff -r 3ebfd8683b18 -r ab0b7643228a slides/src/slides.tex
--- a/slides/src/slides.tex	Fri Jul 22 15:55:34 2011 +0200
+++ b/slides/src/slides.tex	Fri Jul 22 16:50:42 2011 +0200
@@ -123,7 +123,7 @@
 \usebeamercolor*{frametitle} 
 \begin{frame}
 \frametitle{Linear Temporal Logic}
-\framesubtitle{Motivation 1/2}
+\framesubtitle{Natural language 1/2}
 \begin{center}
 ``It is dark.''\\
 \visible<2->{``It is \emph{always} dark.''\\}
@@ -136,7 +136,7 @@
 
 \begin{frame}
 \frametitle{Linear Temporal Logic}
-\framesubtitle{Motivation 2/2}
+\framesubtitle{Natural language 2/2}
 \begin{center}
 \only<1->{
 \color{white}
@@ -222,10 +222,23 @@
 \end{frame}
 
 \begin{frame}
-\frametitle{Infinity}
-\framesubtitle{Word as function}
+\frametitle{Reactive Systems}
+\framesubtitle{Infinite inputs}
 \begin{figure}
 \centering
+
+\subfigure{
+\begin{tikzpicture}[shorten >=1pt, node distance=1.5cm, semithick, >=stealth   
+    ,accepting/.style={fill, gray!50!black, text=white}]
+\node[state, initial, initial text=$input$] (p) {$Program$};
+\coordinate (b) at (1.1,0);
+        %\coordinate (b) at ($(a)+1/2*(3,3)$);
+\draw (p) edge[->] node[right] {$\,output$} (b);
+%\draw[->] (p) -- (b);
+\end{tikzpicture}
+}
+
+\subfigure{
 \begin{tikzpicture}[shorten >=1pt, node distance=1.5cm, semithick, >=stealth   
     ,accepting/.style={fill, gray!50!black, text=white}]
 \node[state, initial, initial text=] (s_0) {$a$};
@@ -238,6 +251,7 @@
 \path[dashed,->] 
 (s_2) edge node {} (s_i); 
 \end{tikzpicture}
+}
 \end{figure}
 \end{frame}