--- a/slides/slides07.tex	Wed Oct 30 15:14:14 2013 +0000
+++ b/slides/slides07.tex	Fri Nov 01 11:57:04 2013 +0000
@@ -1,7 +1,7 @@
 \documentclass[dvipsnames,14pt,t]{beamer}
-\usepackage{beamerthemeplainculight}
-\usepackage[T1]{fontenc}
-\usepackage[latin1]{inputenc}
+\usepackage{beamerthemeplaincu}
+%\usepackage[T1]{fontenc}
+%\usepackage[latin1]{inputenc}
 \usepackage{mathpartir}
 \usepackage[absolute,overlay]{textpos}
 \usepackage{ifthen}
@@ -72,7 +72,7 @@
 	showstringspaces=false}
 
 % beamer stuff 
-\renewcommand{\slidecaption}{AFL 07, King's College London, 14.~November 2012}
+\renewcommand{\slidecaption}{AFL 07, King's College London, 13.~November 2013}
 \newcommand{\bl}[1]{\textcolor{blue}{#1}}       
 \newcommand{\dn}{\stackrel{\mbox{\scriptsize def}}{=}}% for definitions
 
@@ -238,7 +238,7 @@
   \begin{center}
   \begin{tabular}{ll}
   Email:  & christian.urban at kcl.ac.uk\\
-  Of$\!$fice: & S1.27 (1st floor Strand Building)\\
+  Office: & S1.27 (1st floor Strand Building)\\
   Slides: & KEATS (also home work is there)\\
   \end{tabular}
   \end{center}
@@ -248,113 +248,6 @@
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 
 
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\mode<presentation>{
-\begin{frame}[t]
-\frametitle{\begin{tabular}{c}\bl{$(a?\{n\})a\{n\}$}\end{tabular}}
-
-\mbox{}\\[-13mm]
-
-\begin{tikzpicture}[y=.2cm, x=.3cm]
- 	%axis
-	\draw (0,0) -- coordinate (x axis mid) (30,0);
-    	\draw (0,0) -- coordinate (y axis mid) (0,30);
-    	%ticks
-    	\foreach \x in {0,5,...,30}
-     		\draw (\x,1pt) -- (\x,-3pt)
-			node[anchor=north] {\x};
-    	\foreach \y in {0,5,...,30}
-     		\draw (1pt,\y) -- (-3pt,\y) 
-     			node[anchor=east] {\y}; 
-	%labels      
-	\node[below=0.6cm] at (x axis mid) {\bl{a}s};
-	\node[rotate=90, left=1.2cm] at (y axis mid) {secs};
-
-	%plots
-	\draw[color=blue] plot[mark=*, mark options={fill=white}] 
-		file {re-python.data};
-	\draw[color=red] plot[mark=triangle*, mark options={fill=white} ] 
-		file {re1.data};
-         \draw[color=green] plot[mark=square*, mark options={fill=white} ] 
-		file {re2.data};
-         \draw[color=brown] plot[mark=pentagon*, mark options={fill=white} ] 
-		file {re-ruby.data};
-    
-	%legend
-	\begin{scope}[shift={(4,20)}] 
-	\draw[color=blue] (0,0) -- 
-		plot[mark=*, mark options={fill=white}] (0.25,0) -- (0.5,0) 
-		node[right]{\small Python};
-	\draw[yshift=-\baselineskip, color=brown] (0,0) -- 
-		plot[mark=pentagon*, mark options={fill=white}] (0.25,0) -- (0.5,0)
-		node[right]{\small Ruby (Daniel Baldwin)};
-         \draw[yshift=\baselineskip, color=red] (0,0) -- 
-		plot[mark=triangle*, mark options={fill=white}] (0.25,0) -- (0.5,0)
-		node[right]{\small Scala V1};	
-	 \draw[yshift=2\baselineskip, color=green] (0,0) -- 
-		plot[mark=square*, mark options={fill=white}] (0.25,0) -- (0.5,0)
-		node[right]{\small Scala V2 with simplifications};
-	\end{scope}
-\end{tikzpicture}
-
-\end{frame}}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%   
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\mode<presentation>{
-\begin{frame}[t]
-
-\begin{tikzpicture}[y=.7cm, x=.0009cm]
- 	%axis
-	\draw (0,0) -- coordinate (x axis mid) (10000,0);
-    	\draw (0,0) -- coordinate (y axis mid) (0,6);
-    	%ticks
-    	\foreach \x in {0,2000,...,10000}
-     		\draw (\x,1pt) -- (\x,-3pt)
-			node[anchor=north] {\x};
-    	\foreach \y in {0,1,...,6}
-     		\draw (1pt,\y) -- (-3pt,\y) 
-     			node[anchor=east] {\y}; 
-	%labels      
-	\node[below=0.6cm] at (x axis mid) {\bl{a}s};
-	\node[rotate=90, left=1.2cm] at (y axis mid) {secs};
-
-	%plots
-	\draw[color=blue] plot[mark=*, mark options={fill=white}] 
-		file {re-internal.data};
-	\only<1->{	 
-         \draw[color=red] plot[mark=triangle*, mark options={fill=white} ] 
-		file {re3.data};}
-    
-	%legend
-	\begin{scope}[shift={(2000,4)}] 
-	\draw[color=blue] (0,0) -- 
-		plot[mark=*, mark options={fill=white}] (0.25,0) -- (0.5,0) 
-		node[right]{\small Scala Internal};
-        \only<1->{
-	\draw[yshift=\baselineskip, color=red] (0,0) -- 
-		plot[mark=triangle*, mark options={fill=white}] (0.25,0) -- (0.5,0)
-		node[right]{\small Scala V3 with explicit $\_\{\_\}$};}
-	\end{scope}
-\end{tikzpicture}
-
-\begin{center}
-\begin{tabular}{@ {}l@ {\hspace{2mm}}c@ {\hspace{2mm}}l@ {\hspace{-10mm}}l@ {}}
-  \\[-8mm]
-  \bl{der c (r$_1$ $\cdot$ r$_2$)} & \bl{$\dn$}  & \bl{if nullable r$_1$}\\
-  & & \bl{then ((der c r$_1$) $\cdot$ r$_2$) + (der c r$_2$)}\\ 
-  & & \bl{else (der c r$_1$) $\cdot$ r$_2$}\\
-  \bl{der c (r$\{n\}$)} & \bl{$\dn$} & \bl{if $n = 0$ then $\varnothing$}\\
-  & & \bl{else (der c r) $\cdot$ r$\{n - 1\}$}
-  \end{tabular}
-\end{center}
-
-\end{frame}}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%   
-
-
-
 \newcommand{\qq}{\mbox{\texttt{"}}}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \mode<presentation>{
@@ -392,7 +285,8 @@
 
 \begin{enumerate}
 \item Begin with a string with only the start symbol \bl{$S$}\bigskip
-\item Replace any non-terminal \bl{$X$} in the string by the
right-hand side of some production \bl{$X \rightarrow \text{rhs}$}\bigskip
+\item Replace any non-terminal \bl{$X$} in the string by the
+right-hand side of some production \bl{$X \rightarrow \text{rhs}$}\bigskip
 \item Repeat 2 until there are no non-terminals
 \end{enumerate}