\documentclass[11pt,a4paper]{article}

\usepackage{isabelle,isabellesym}

% further packages required for unusual symbols (see also

% isabellesym.sty), use only when needed

%\usepackage{amssymb}

  %for \<leadsto>, \<box>, \<diamond>, \<sqsupset>, \<mho>, \<Join>,

  %\<lhd>, \<lesssim>, \<greatersim>, \<lessapprox>, \<greaterapprox>,

  %\<triangleq>, \<yen>, \<lozenge>

%\usepackage[greek,english]{babel}

  %option greek for \<euro>

  %option english (default language) for \<guillemotleft>, \<guillemotright>

%\usepackage[only,bigsqcap]{stmaryrd}

  %for \<Sqinter>

%\usepackage{eufrak}

  %for \<AA> ... \<ZZ>, \<aa> ... \<zz> (also included in amssymb)

%\usepackage{textcomp}

  %for \<onequarter>, \<onehalf>, \<threequarters>, \<degree>, \<cent>,

  %\<currency>

% this should be the last package used

\usepackage{pdfsetup}

% urls in roman style, theory text in math-similar italics

\urlstyle{rm}

\isabellestyle{it}

% for uniform font size

%\renewcommand{\isastyle}{\isastyleminor}

\begin{document}

\title{utm}

\author{By xujian}

\maketitle

\tableofcontents

% sane default for proof documents

\parindent 0pt\parskip 0.5ex

% generated text of all theories

\input{session}

% optional bibliography

%\bibliographystyle{abbrv}

%\bibliography{root}

\end{document}

%%% Local Variables:

%%% mode: latex

%%% TeX-master: t

%%% End: