\documentclass[11pt,a4paper]{article}
\usepackage{isabelle,isabellesym}
%\usepackage{substr}
%\renewcommand{\isamarkupheader}[1]{%
% \IfSubStringInString{Chapter: }{#1}{%
% \chapter{\BehindSubString{Chapter: }{#1}}}{%
% \section{#1}}}
% further packages required for unusual symbols (see also isabellesym.sty)
%\usepackage{latexsym} % for \<leadsto>, \<box>, \<diamond>,
% \<sqsupset>, \<mho>, \<Join>
% and \<lhd> and others!
\usepackage{amssymb} % for \<lesssim>, \<greatersim>,
% \<lessapprox>, \<greaterapprox>,
% \<triangleq>, \<yen>, \<lozenge>
%\usepackage[english]{babel} % for \<guillemotleft> \<guillemotright>
\usepackage[latin1]{inputenc} % for \<onesuperior>, \<onequarter>,
% \<twosuperior>, \<onehalf>,
% \<threesuperior>, \<threequarters>
% \<degree>
%\usepackage[only,bigsqcap]{stmaryrd} % for \<Sqinter>
%\usepackage{wasysym}
%\usepackage{eufrak} % for \<AA> ... \<ZZ>, \<aa> ... \<zz>
%\usepackage{textcomp} % for \<zero> ... \<nine>, \<cent>
% \<currency>
%\usepackage{marvosym} % for \<euro>
% this should be the last package used
\usepackage{pdfsetup}
% proper setup for best-style documents
\urlstyle{rm}
\isabellestyle{it}
\begin{document}
\title{The Isabelle Algebra Library}
\maketitle
\tableofcontents
\parindent 0pt\parskip 0.5ex
% include generated text of all theories
\input{session}
%\bibliographystyle{abbrv}
%\bibliography{root}
\end{document}