% logics.sty : Logics Manuals Page Layout

%

\typeout{Document Style logics. Released 18 August 2003}

\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]{\isa{#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\cmmdx[1]{\index{#1@\protect\isacommand{#1} (command)}}

\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}\@}

\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{\isasymignore}{}

\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}

%%% \dquotes permits usage of "..." for \hbox{...} 

%%%   also taken from under.sty

{\catcode`\"=\active

\gdef\dquotes{\catcode`\"=\active  \let"=\@mathText}%

\gdef\@mathText#1"{\hbox{\mathTextFont #1\/}}}

\def\mathTextFont{\frenchspacing\tt}

\def\dquotesoff{\catcode`\"=\other}