% tutorial.sty : Isabelle Tutorial Page Layout

 %

 \typeout{Document Style tutorial. Released 9 July 2001}

 \hyphenation{Isa-belle man-u-script man-u-scripts ap-pen-dix mut-u-al-ly}

 \hyphenation{data-type data-types co-data-type co-data-types }

 %usage: \iflabelundefined{LABEL}{if not defined}{if defined}

 \newcommand{\iflabelundefined}[1]{\@ifundefined{r@#1}}

 %%%INDEXING  use isa-index to process the index

 \newcommand\seealso[2]{\emph{see also} #1}

 \usepackage{makeidx}

 %index, putting page numbers of definitions in boldface

 \def\bold#1{\textbf{#1}}

 \newcommand\fnote[1]{#1n}

 \newcommand\indexbold[1]{\index{#1|bold}}

 % The alternative to \protect\isa in the indexing macros is

 % \noexpand\noexpand \noexpand\isa

 % need TWO levels of \noexpand to delay the expansion of \isa:

 %  the \noexpand\noexpand will leave one \noexpand, to be given to the

 %  (still unexpanded) \isa token.  See TeX by Topic, page 122.

 %%%% for indexing constants, symbols, theorems, ...

 \newcommand\cdx[1]{\isa{#1}\index{#1@\protect\isa{#1} (constant)}}

 \newcommand\sdx[1]{\isa{#1}\index{#1@\protect\isa{#1} (symbol)}}

 \newcommand\tdx[1]{\isa{#1}\index{#1@\protect\isa{#1} (theorem)}}

 \newcommand\tdxbold[1]{\isa{#1}\index{#1@\protect\isa{#1} (theorem)|bold}}

 \newcommand\cldx[1]{\isa{#1}\index{#1@\protect\isa{#1} (class)}}

 \newcommand\tydx[1]{\textit{#1}\index{#1@\protect\isa{#1} (type)}}

 \newcommand\thydx[1]{\isa{#1}\index{#1@\protect\isa{#1} (theory)}}

 \newcommand\attrdx[1]{\isa{#1}\index{#1@\protect\isa{#1} (attribute)}}

 \newcommand\commdx[1]{\isacommand{#1}\index{#1@\protect\isacommand{#1}

 (command)}}

 \newcommand\methdx[1]{\isa{#1}\index{#1@\protect\isa{#1} (method)}}

 \newcommand\tooldx[1]{\isa{#1}\index{#1@\protect\isa{#1} (tool)}}

 \newcommand\settdx[1]{\isa{#1}\index{#1@\protect\isa{#1} (setting)}}

 %set argument in \bf font and index in ROMAN font (for definitions in text!)

 \newcommand\bfindex[1]{{\bf#1}\index{#1|bold}\@}

 \newcommand\rmindex[1]{{#1}\index{#1}\@}

 \newcommand\ttindex[1]{\texttt{#1}\index{#1@\texttt{#1}}\@}

 \newcommand\ttindexbold[1]{\texttt{#1}\index{#1@\texttt{#1}|bold}\@}

 %Commented-out the original versions to see what the index looks like without them.

 %   In any event, they need to use \isa or \protect\isa rather than \texttt.

 %%\newcommand{\indexboldpos}[2]{#1\index{#2@#1|bold}\@}

 %%\newcommand{\ttindexboldpos}[2]{\texttt{#1}\index{#2@\texttt{#1}|bold}\@}

 \newcommand{\indexboldpos}[2]{#1\@}

 \newcommand{\ttindexboldpos}[2]{\isa{#1}\@}

 %\newtheorem{theorem}{Theorem}[section]

 \newtheorem{Exercise}{Exercise}[section]

 \newenvironment{exercise}{\begin{Exercise}\rm}{\end{Exercise}}

 \newcommand{\ttlbr}{\texttt{[|}}

 \newcommand{\ttrbr}{\texttt{|]}}

 \newcommand{\ttor}{\texttt{|}}

 \newcommand{\ttall}{\texttt{!}}

 \newcommand{\ttuniquex}{\texttt{?!}}

 \newcommand{\ttEXU}{\texttt{EX!}}

 \newcommand{\ttAnd}{\texttt{!!}}

 \newcommand{\isasymimp}{\isasymlongrightarrow}

 \newcommand{\isasymImp}{\isasymLongrightarrow}

 \newcommand{\isasymFun}{\isasymRightarrow}

 \newcommand{\isasymuniqex}{\isamath{\exists!\,}}

 \renewcommand{\S}{Sect.\ts}

 \renewenvironment{isamarkuptxt}{\begin{isamarkuptext}}{\end{isamarkuptext}}

 \newif\ifremarks

 \newcommand{\REMARK}[1]{\ifremarks\marginpar{\raggedright\footnotesize#1}\fi}

 %names of Isabelle rules

 \newcommand{\rulename}[1]{\hfill(#1)}

 \newcommand{\rulenamedx}[1]{\hfill(#1\index{#1@\protect\isa{#1} (theorem)|bold})}

 %%%% meta-logical connectives

 \let\Forall=\bigwedge

 \let\Imp=\Longrightarrow

 \let\To=\Rightarrow

 \newcommand{\Var}[1]{{?\!#1}}

 %%% underscores as ordinary characters, not for subscripting

 %%  use @ or \sb for subscripting; use \at for @

 %%  only works in \tt font

 %%  must not make _ an active char; would make \ttindex fail!

 \gdef\underscoreoff{\catcode`\@=8\catcode`\_=\other}

 \gdef\underscoreon{\catcode`\_=8\makeatother}

 \chardef\other=12

 \chardef\at=`\@

 % alternative underscore

 \def\_{\leavevmode\kern.06em\vbox{\hrule height.2ex width.3em}\hskip0.1em}

 %%%% ``WARNING'' environment

 \def\dbend{\vtop to 0pt{\vss\hbox{\Huge\bf!}\vss}}

 \newenvironment{warn}{\medskip\medbreak\begingroup \clubpenalty=10000 

          \small %%WAS\baselineskip=0.9\baselineskip

          \noindent \hangindent\parindent \hangafter=-2 

          \hbox to0pt{\hskip-\hangindent\dbend\hfill}\ignorespaces}%

         {\par\endgroup\medbreak}

 %%%% Standard logical symbols

 \let\turn=\vdash

 \let\conj=\wedge

 \let\disj=\vee

 \let\imp=\rightarrow

 \let\bimp=\leftrightarrow

 \newcommand\all[1]{\forall#1.}  %quantification

 \newcommand\ex[1]{\exists#1.}

 \newcommand{\pair}[1]{\langle#1\rangle}

 \newcommand{\lparr}{\mathopen{(\!|}}

 \newcommand{\rparr}{\mathclose{|\!)}}

 \newcommand{\fs}{\mathpunct{,\,}}

 \newcommand{\ty}{\mathrel{::}}

 \newcommand{\asn}{\mathrel{:=}}

 \newcommand{\more}{\ldots}

 \newcommand{\record}[1]{\lparr #1 \rparr}

 \newcommand{\dtt}{\mathord.}

 \newcommand\lbrakk{\mathopen{[\![}}

 \newcommand\rbrakk{\mathclose{]\!]}}

 \newcommand\List[1]{\lbrakk#1\rbrakk}  %was \obj

 \newcommand\vpile[1]{\begin{array}{c}#1\end{array}}

 \newenvironment{matharray}[1]{\[\begin{array}{#1}}{\end{array}\]}

 \newcommand{\Text}[1]{\mbox{#1}}

 \DeclareMathSymbol{\dshsym}{\mathalpha}{letters}{"2D}

 \newcommand{\dsh}{\mathit{\dshsym}}

 \let\int=\cap

 \let\un=\cup

 \let\inter=\bigcap

 \let\union=\bigcup

 \def\ML{{\sc ml}}

 \def\AST{{\sc ast}}

 %macros to change the treatment of symbols

 \def\relsemicolon{\mathcode`\;="303B}   %treat ; like a relation

 \def\binperiod{\mathcode`\.="213A}   %treat . like a binary operator

 \def\binvert{\mathcode`\|="226A}     %treat | like a binary operator

 %redefinition of \sloppy and \fussy to use \emergencystretch

 \def\sloppy{\tolerance2000 \hfuzz.5pt \vfuzz.5pt \emergencystretch=15pt}

 \def\fussy{\tolerance200 \hfuzz.1pt \vfuzz.1pt \emergencystretch=0pt}

 %non-bf version of description

 \def\descrlabel#1{\hspace\labelsep #1}

 \def\descr{\list{}{\labelwidth\z@ \itemindent-\leftmargin\let\makelabel\descrlabel}}

 \let\enddescr\endlist

 % The mathcodes for the letters A, ..., Z, a, ..., z are changed to

 % generate text italic rather than math italic by default. This makes

 % multi-letter identifiers look better. The mathcode for character c

 % is set to |"7000| (variable family) + |"400| (text italic) + |c|.

 %

 \DeclareSymbolFont{italics}{\encodingdefault}{\rmdefault}{m}{it}%

 \def\@setmcodes#1#2#3{{\count0=#1 \count1=#3

         \loop \global\mathcode\count0=\count1 \ifnum \count0<#2

         \advance\count0 by1 \advance\count1 by1 \repeat}}

 \@setmcodes{`A}{`Z}{"7\hexnumber@\symitalics41}

 \@setmcodes{`a}{`z}{"7\hexnumber@\symitalics61}