moved cardinality to Finite_Set as far as appropriate; added locales for fold_image
\documentclass[12pt,a4paper]{report}
\usepackage{supertabular}
\usepackage{graphicx}
\usepackage{../iman,../extra,../isar,../ttbox}
\usepackage[nohyphen,strings]{../underscore}
\usepackage{../isabelle,../isabellesym}
\usepackage{../IsarRef/style}
\usepackage{../pdfsetup}
\hyphenation{Isabelle}
\hyphenation{Isar}
\isadroptag{theory}
\isabellestyle{it}
\title{\includegraphics[scale=0.5]{isabelle} \\[4ex] The Isabelle System Manual}
\author{\emph{Makarius Wenzel} and \emph{Stefan Berghofer} \\
  TU M\"unchen}
\makeindex
\begin{document}
\maketitle 
\pagenumbering{roman} \tableofcontents \clearfirst
\input{Thy/document/Basics.tex}
\input{Thy/document/Interfaces.tex}
\input{Thy/document/Presentation.tex}
\input{Thy/document/Misc.tex}
\begingroup
  \bibliographystyle{abbrv} \small\raggedright\frenchspacing
  \bibliography{../manual}
\endgroup
\printindex
\end{document}