pftools.sty 4.25 KB
Newer Older
Ralf Jung's avatar
Ralf Jung committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{pftools}

\RequirePackage{locallabel}
\RequirePackage{Tabbing}	% Avoid the standard tabbing environment. Its \< conflicts with the semantic package.
\RequirePackage{xparse}
\RequirePackage{xcolor}
\RequirePackage{locallabel}

%% Biimplication inference rules
% \biimp above below
% The double lines obtained by the simpler
% "\mprset{fraction={===}}" overlap the conclusion (e.g., the
% mask E_M in an atomic triple).
\newcommand*{\biimp}[2]{%
	\hbox{%
		\ooalign{%
			$\genfrac{}{}{1.6pt}1{#1}{#2}$\cr%
			$\color{white}\genfrac{}{}{0.8pt}1{\phantom{#1}}{\phantom{#2}}$%
		}%
	}%
}
\newcommand{\BIIMP}{\mprset{myfraction=\biimp}}


%% inferH is infer with hyperlinked names.
% \savelabel lab text: Arrange for \ref{lab} to print text and to link to the current spot.
\newcommand*{\savelabel}[2]{%
	% Think @currentlabel : text ref.
	\edef\@currentlabel{#2}% Save text
	\phantomsection% Correct hyper reference link
	\label{#1}% Print text and store name↦text.
}
% \textlabel label text: Print and label text.
\newcommand*{\textlabel}[2]{{#2}\savelabel{#1}{#2}}
% \rulenamestyle visible
\newcommand*{\rulenamestyle}[1]{{\TirNameStyle{#1}}}	% From mathpartir.sty.
% \ruleref [discharged] lab
\def\optionaldischarge#1{%
	\if\relax\detokenize{#1}\relax\else\ensuremath{^{#1}}\fi}
\newcommand*{\ruleref}[2][]{\textmd{\rulenamestyle{\ref{#2}}}\optionaldischarge{#1}}
\newcommand*{\fakeruleref}[2][]{\rulenamestyle{#2}\optionaldischarge{#1}}
% \rulename label
\newcommand*{\rulename}[1]{\rulenamestyle{\textlabel{#1}{#1}}}
% \inferhref name lab premise conclusion
\newcommand*{\inferhref}[4]{%
	\inferrule*[lab=\textlabel{#2}{#1}]{#3}{#4}%
}
% \infernH name premise conclusion, if name a valid label.
\newcommand*{\inferH}[3]{\inferhref{#1}{#1}{#2}{#3}}
\newcommand*{\axiom}[1]{\infer{}{#1}}
\newcommand*{\axiomhref}[3]{\inferhref{#1}{#2}{}{#3}}
\newcommand*{\axiomH}[2]{\inferH{#1}{}{#2}}
\newcommand*{\inferhrefB}[4]{{\BIIMP\inferhref{#1}{#2}{#3}{#4}}}
\newcommand*{\inferHB}[3]{{\BIIMP\inferH{#1}{#2}{#3}}}
\newcommand*{\taghref}[2]{\label{#2}\tag{\rulenamestyle{#1}}}
\newcommand*{\tagH}[1]{\taghref{#1}{#1}}

% The sanity checks in \lbind and \llabel
% don't work properly in amsmath environments
% which perhaps lay out their contents more
% than once. Use \lbind in such cases.
% Sigh.

\newcommand*{\tagL}[1]{\lbind{#1}\tag*{\llabel{#1}}}

\newcommand*\ind[1][\quad]{#1\TAB=\TAB+}
\newcommand*\unind{\TAB-}

\newcommand\IND[1][\quad]{\\*\ind[#1]}
\newcommand\UNIND{\unind \\}

% Attribution: http://tex.stackexchange.com/questions/119473/tabbing-and-line-wrapping
\newlength\pf@width
\newcommand*{\CMT}[1]{%
	\setlength\pf@width{\linewidth}%
	\addtolength\pf@width{\@totalleftmargin}%
	\addtolength\pf@width{-\dimen\@curtab}%
	\parbox[t]{\pf@width}{\nobelowdisplayskip{#1}\ifhmode\strut\fi}}

\colorlet{rescolor}{rgb:red,0;green,30;blue,55}
\colorlet{ctxcolor}{black}
\colorlet{codecolor}{rgb:red,76;green,177;blue,36}

\newcommand*\res[1]{{\color{rescolor}\ensuremath{#1}}}
%When \left\{ … \right\} looks ugly, remember Dave says you want \bracket.
\NewDocumentCommand{\RES}{s m O{}}{%
	$\displaystyle{{\left\{\res{%
				\IfBooleanTF{#1}{\begin{inbox}[l]#2\end{inbox}}{#2}%
			}\right\}}_{#3}}$}

\NewDocumentCommand{\ARES}{m O{}}{%
	${\displaystyle{\bracket\langle\rangle{\color{rescolor}{#1}}}_{#2}}$}

\newcommand*{\CODE}[1]{%
	${\displaystyle{\color{codecolor}#1}}$}

\newcommand*{\VARS}[1]{%
	Vars: ${\color{ctxcolor}\displaystyle{#1}}$}
\newcommand*{\CTX}[1]{%
	Context: ${\color{ctxcolor}\displaystyle{#1}}$}

\newcommand*{\GOAL}[1]{%
	Goal: ${\displaystyle{#1}}$}
\newcommand*{\SUFF}[1]{%
	Suff: ${\displaystyle{#1}}$}

\newcommand*{\PFHAVE}[1]{%
	Have: ${\displaystyle{#1}}$}

\let\pf@origqedhere\qedhere
\def\pf@setup{%
	% A version of \qedhere that accounts for tabbing.
	\def\qedhere{\TAB`\pf@origqedhere}%
}

\newcommand*{\TAGL}[1]{\TAB`\llabel{#1}}

% The starred version lacks leading and trailing vertical space.
\newenvironment{proofoutline*}
{\partopsep=\z@skip \topsep=\z@skip% avoid initial space
	\parskip\z@skip% avoid trailing space
	\pf@setup\par\begingroup\Tabbing\ignorespaces}
{\endTabbing\endgroup\unskip\ignorespacesafterend}

\newenvironment{proofoutline}
{\pf@setup\par\begingroup\Tabbing\ignorespaces}
{\endTabbing\endgroup\ignorespacesafterend}

\endinput