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%%
%% This is file `infernce.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% semantic.dtx (with options: `allOptions,inference')
%%
%% IMPORTANT NOTICE:
%%
%% For the copyright see the source file.
%%
%% Any modified versions of this file must be renamed
%% with new filenames distinct from infernce.sty.
%%
%% For distribution of the original source see the terms
%% for copying and modification in the file semantic.dtx.
%%
%% This generated file may be distributed as long as the
%% original source files, as listed above, are part of the
%% same distribution. (The sources need not necessarily be
%% in the same archive or directory.)
%%
%% semantic.dtx (c)1995--2002 Peter Møller Neergaard and
%% Arne John Glenstrup
%%
\expandafter\ifx\csname sem@nticsLoader\endcsname\relax
\PackageError{semantic}{%
This file should not be loaded directly}
{%
This file is an option of the semantic package. It should not be
loaded directly\MessageBreak
but by using \protect\usepackage{semantic} in your document
preamble.\MessageBreak
No commands are defined.\MessageBreak
Type <return> to proceed.
}%
\else
\TestForConflict{\@@tempa,\@@tempb,\@adjustPremises,\@inference}
\TestForConflict{\@inferenceBack,\@inferenceFront,\@inferenceOrPremis}
\TestForConflict{\@premises,\@processInference,\@processPremiseLine}
\TestForConflict{\@setLengths,\inference,\predicate,\predicatebegin}
\TestForConflict{\predicateend,\setnamespace,\setpremisesend}
\TestForConflict{\setpremisesspace,\@makeLength,\@@space}
\TestForConflict{\@@aLineBox,\if@@shortDivider}
\newtoks\@@tempa
\newtoks\@@tempb
\newcommand{\@makeLength}[4]{
\@@tempa=\expandafter{\csname @@#2\endcsname}
\@@tempb=\expandafter{\csname @set#2\endcsname} %
\expandafter \newlength \the\@@tempa
\expandafter \newcommand \the\@@tempb {}
\expandafter \newcommand \csname set#1\endcsname[1]{}
\expandafter \xdef \csname set#1\endcsname##1%
{{\dimen0=##1}%
\noexpand\renewcommand{\the\@@tempb}{%
\noexpand\setlength{\the \@@tempa}{##1 #4}}%
}%
\csname set#1\endcsname{#3}
\@@tempa=\expandafter{\@setLengths} %
\edef\@setLengths{\the\@@tempa \the\@@tempb} %
}
\newcommand{\@setLengths}{%
\setlength{\baselineskip}{1.166em}%
\setlength{\lineskip}{1pt}%
\setlength{\lineskiplimit}{1pt}}
\@makeLength{premisesspace}{pSpace}{1.5em}{plus 1fil}
\@makeLength{premisesend}{pEnd}{.75em}{plus 0.5fil}
\@makeLength{namespace}{nSpace}{.5em}{}
\newbox\@@aLineBox
\newif\if@@shortDivider
\newcommand{\@@space}{ }
\newcommand{\predicate}[1]{\predicatebegin #1\predicateend}
\newcommand{\predicatebegin}{$}
\newcommand{\predicateend}{$}
\def\inference{%
\@@shortDividerfalse
\expandafter\hbox\bgroup
\@ifstar{\@@shortDividertrue\@inferenceFront}%
\@inferenceFront
}
\def\@inferenceFront{%
\@ifnextchar[%
{\@inferenceFrontName}%
{\@inferenceMiddle}%
}
\def\@inferenceFrontName[#1]{%
\setbox3=\hbox{\footnotesize #1}%
\ifdim \wd3 > \z@
\unhbox3%
\hskip\@@nSpace
\fi
\@inferenceMiddle
}
\long\def\@inferenceMiddle#1{%
\@setLengths%
\setbox\@@pBox=
\vbox{%
\@premises{#1}%
\unvbox\@@pBox
}%
\@inferenceBack
}
\long\def\@inferenceBack#1{%
\setbox\@@cBox=%
\hbox{\hskip\@@pEnd \predicate{\ignorespaces#1}\unskip\hskip\@@pEnd}%
\setbox1=\hbox{$ $}%
\setbox\@@pBox=\vtop{\unvbox\@@pBox
\vskip 4\fontdimen8\textfont3}%
\setbox\@@cBox=\vbox{\vskip 4\fontdimen8\textfont3%
\box\@@cBox}%
\if@@shortDivider
\ifdim\wd\@@pBox >\wd\@@cBox%
\dimen1=\wd\@@pBox%
\else%
\dimen1=\wd\@@cBox%
\fi%
\dimen0=\wd\@@cBox%
\hbox to \dimen1{%
\hss
$\frac{\hbox to \dimen0{\hss\box\@@pBox\hss}}%
{\box\@@cBox}$%
\hss
}%
\else
$\frac{\box\@@pBox}%
{\box\@@cBox}$%
\fi
\@ifnextchar[%
{\@inferenceBackName}%{}%
{\egroup}
}
\def\@inferenceBackName[#1]{%
\setbox3=\hbox{\footnotesize #1}%
\ifdim \wd3 > \z@
\hskip\@@nSpace
\unhbox3%
\fi
\egroup
}
\newcommand{\@premises}[1]{%
\setbox\@@pBox=\vbox{}%
\dimen\@@maxwidth=\wd\@@cBox%
\@processPremises #1\\\end%
\@adjustPremises%
}
\newcommand{\@adjustPremises}{%
\setbox\@@pBox=\vbox{%
\@@moreLinestrue %
\loop %
\setbox\@@pBox=\vbox{%
\unvbox\@@pBox %
\global\setbox\@@aLineBox=\lastbox %
}%
\ifvoid\@@aLineBox %
\@@moreLinesfalse %
\else %
\hbox to \dimen\@@maxwidth{\unhbox\@@aLineBox}%
\fi %
\if@@moreLines\repeat%
}%
}
\def\@processPremises#1\\#2\end{%
\setbox\@@pLineBox=\hbox{}%
\@processPremiseLine #1&\end%
\setbox\@@pLineBox=\hbox{\unhbox\@@pLineBox \unskip}%
\ifdim \wd\@@pLineBox > \z@ %
\setbox\@@pLineBox=%
\hbox{\hskip\@@pEnd \unhbox\@@pLineBox \hskip\@@pEnd}%
\ifdim \wd\@@pLineBox > \dimen\@@maxwidth %
\dimen\@@maxwidth=\wd\@@pLineBox %
\fi %
\setbox\@@pBox=\vbox{\box\@@pLineBox\unvbox\@@pBox}%
\fi %
\def\sem@tmp{#2}%
\ifx \sem@tmp\empty \else %
\@ReturnAfterFi{%
\@processPremises #2\end %
}%
\fi%
}
\def\@processPremiseLine#1\end{%
\def\sem@tmp{#1}%
\ifx \sem@tmp\empty \else%
\ifx \sem@tmp\@@space \else%
\setbox\@@pLineBox=%
\hbox{\unhbox\@@pLineBox%
\@inferenceOrPremis #1\inference\end%
\hskip\@@pSpace}%
\fi%
\fi%
\def\sem@tmp{#2}%
\ifx \sem@tmp\empty \else%
\@ReturnAfterFi{%
\@processPremiseLine#2\end%
}%
\fi%
}
\def\@inferenceOrPremis#1\inference{%
\@ifnext \end
{\@dropnext{\predicate{\ignorespaces #1}\unskip}}%
{\@processInference #1\inference}%
}
\def\@processInference#1\inference\end{%
\ignorespaces #1%
\setbox3=\lastbox
\dimen3=\dp3
\advance\dimen3 by -\fontdimen22\textfont2
\advance\dimen3 by \fontdimen8\textfont3
\expandafter\raise\dimen3\box3%
}
\long\def\@ReturnAfterFi#1\fi{\fi#1}
\fi
\endinput
%%
%% End of file `infernce.sty'.
|
