--- a/src/HOL/IMP/document/root.tex	Tue Dec 18 21:28:01 2001 +0100
+++ b/src/HOL/IMP/document/root.tex	Wed Dec 19 00:26:04 2001 +0100
@@ -1,22 +1,9 @@
 
 \documentclass[a4wide]{article}
-\usepackage{isabelle,isabellesym}
-
-% further packages required for unusual symbols (see also isabellesym.sty)
-%\usepackage{latexsym}
-%\usepackage{amssymb}
-%\usepackage[english]{babel}
-%\usepackage[latin1]{inputenc}
-%\usepackage[only,bigsqcap]{stmaryrd}
-%\usepackage{wasysym}
-%\usepackage{eufrak}
-
-% this should be the last package used
+\usepackage{graphicx,isabelle,isabellesym}
 \usepackage{pdfsetup}
 
-% proper setup for best-style documents
 \urlstyle{rm}
-%\isabellestyle{it}
 \renewcommand{\isachardoublequote}{}
 
 % pretty printing for the Com language
@@ -34,28 +21,29 @@
 
 \begin{document}
 
-\title{IMP--A {\tt WHILE}-language and its Semantics}
-\author{Heiko Loetzbeyer, Robert Sandner, Tobias Nipkow, Gerwin Klein}
+\title{IMP --- A {\tt WHILE}-language and its Semantics}
+\author{Gerwin Klein, Heiko Loetzbeyer, Tobias Nipkow, Robert Sandner}
 \maketitle
 
 \parindent 0pt\parskip 0.5ex
 
 \begin{abstract}\noindent
-The denotational, operational, and axiomatic semantics, a verification
-condition generator, and all the necessary soundness, completeness and
-equivalence proofs. Essentially a formalization of the first 100 pages
-of \cite{Winskel}.
-
-An eminently readable description of this theory is found in \cite{Nipkow}.
-
-A denotational semantics for IMP based on HOLCF is found in {\tt HOLCF/IMP}.
+  The denotational, operational, and axiomatic semantics, a verification
+  condition generator, and all the necessary soundness, completeness and
+  equivalence proofs. Essentially a formalization of the first 100 pages of
+  \cite{Winskel}.
+  
+  An eminently readable description of this theory is found in \cite{Nipkow}.
+  See also HOLCF/IMP for a denotational semantics.
 \end{abstract}
 
 \tableofcontents
 
-\parindent 0pt\parskip 0.5ex
+\begin{center}
+  \includegraphics[scale=0.7]{session_graph}
+\end{center}
 
-% include generated text of all theories
+\parindent 0pt\parskip 0.5ex
 \input{session}
 
 \bibliographystyle{plain}