doc-src/HOL/logics-HOL.tex

make fresh_guess fail if it does not solve the subgoal

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\documentclass[12pt,a4paper]{report}
\usepackage{graphicx,../iman,../extra,../ttbox,../proof,../rail,../railsetup,latexsym,../pdfsetup}

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\title{\includegraphics[scale=0.5]{isabelle_hol} \\[4ex]
  Isabelle's Logics: HOL%
  \thanks{The research has been funded by the EPSRC (grants GR/G53279,
    GR\slash H40570, GR/K57381, GR/K77051, GR/M75440), by ESPRIT (projects 3245:
    Logical Frameworks, and 6453: Types) and by the DFG Schwerpunktprogramm
    \emph{Deduktion}.}}

\author{Tobias Nipkow\footnote
{Institut f\"ur Informatik, Technische Universit\"at M\"unchen,
 \texttt{[e-mail]}} and
Lawrence C. Paulson\footnote
{Computer Laboratory, University of Cambridge, \texttt{[e-mail]}} and
Markus Wenzel\footnote
{Institut f\"ur Informatik, Technische Universit\"at M\"unchen,
 \texttt{[e-mail]}}}

\newcommand\subcaption[1]{\par {\centering\normalsize\sc#1\par}\bigskip
  \hrule\bigskip}
\newenvironment{constants}{\begin{center}\small\begin{tabular}{rrrr}}{\end{tabular}\end{center}}

\newcommand\bs{\char '134 }  % A backslash character for \tt font

\makeindex

\underscoreoff

\setcounter{secnumdepth}{2} \setcounter{tocdepth}{2}  %% {secnumdepth}{2}???

\pagestyle{headings}
\sloppy
\binperiod     %%%treat . like a binary operator

\begin{document}
\maketitle 

\begin{abstract}
  This manual describes Isabelle's formalization of Higher-Order Logic, a
  polymorphic version of Church's Simple Theory of Types.  HOL can be best
  understood as a simply-typed version of classical set theory.  The monograph
  \emph{Isabelle/HOL --- A Proof Assistant for Higher-Order Logic} provides a
  gentle introduction on using Isabelle/HOL in practice.
\end{abstract}

\pagenumbering{roman} \tableofcontents \clearfirst
\input{../Logics/syntax}
\include{HOL}
\bibliographystyle{plain}
\bibliography{../manual}
\printindex
\end{document}