\documentclass[11pt,a4paper]{article}
\usepackage{isabelle,isabellesym}

% further packages required for unusual symbols (see also
% isabellesym.sty), use only when needed

\usepackage{latexsym}

% this should be the last package used
\usepackage{pdfsetup}

\usepackage{isaverbatimwrite}

% urls in roman style, theory text in math-similar italics
\urlstyle{rm}
\isabellestyle{it}

% for uniform font size
\renewcommand{\isastyle}{\isastyleminor}


\begin{document}
\openisaverbatimout fragments

\title{Concrete Semantics}
\author{TN \& GK}
\maketitle

\setcounter{tocdepth}{2}
\tableofcontents
\newpage

% generated text of all theories
\input{session}

\nocite{Nipkow}

% optional bibliography
\bibliographystyle{abbrv}
\bibliography{root}

\end{document}
