iris.sty 11.4 KB
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\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{iris}

\RequirePackage{tikz}
\RequirePackage{scalerel}
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\RequirePackage{array}
\RequirePackage{dashbox}
\RequirePackage{tensor}
\RequirePackage{xparse}
\RequirePackage{xstring}
\RequirePackage{mathtools}

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% SETUP
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\usetikzlibrary{shapes}
%\usetikzlibrary{snakes}
\usetikzlibrary{arrows}
\usetikzlibrary{calc}
\usetikzlibrary{arrows.meta}
\tikzstyle{state}=[circle, draw, minimum size=1.2cm, align=center]
\tikzstyle{trans}=[arrows={->[scale=1.4]}]

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% MATH SYMBOLS & NOTATION & IDENTIFIERS
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\DeclareMathOperator*{\Sep}{\scalerel*{\ast}{\sum}}
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\newcommand*{\disj}[1][]{\mathrel{\#_{#1}}}
\newcommand\pord{\sqsubseteq}
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\newcommand\dplus{\mathbin{+\kern-1.0ex+}}
\newcommand{\upclose}{\mathord{\uparrow}}
\newcommand{\ALT}{\ |\ }

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\newcommand{\spac}{\:} % a space
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\def\All #1.{\forall #1.\spac}%
\def\Exists #1.{\exists #1.\spac}%
\def\Ret #1.{#1.\spac}%

\newcommand{\any}{{\rule[-.2ex]{1ex}{.4pt}}}%

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\newcommand{\judgment}[2][]{\paragraph{#1}\hspace{\stretch{1}}\fbox{$#2$}}
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\newcommand{\pfn}{\rightharpoonup}
\newcommand\fpfn{\xrightharpoonup{\kern-0.25ex\textrm{fin}\kern-0.25ex}}
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\newcommand{\la}{\leftarrow}
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\newcommand{\ra}{\rightarrow}
\newcommand{\Ra}{\Rightarrow}
\newcommand{\Lra}{\Leftrightarrow}
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\newcommand\monra{\xrightarrow{\kern-0.15ex\textrm{mon}\kern-0.05ex}}
\newcommand\nfn{\xrightarrow{\kern-0.15ex\textrm{ne}\kern-0.05ex}}
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\newcommand{\eqdef}{\triangleq}
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\newcommand{\bnfdef}{\vcentcolon\vcentcolon=}

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\newcommand{\maybe}[1]{#1^?}

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\newcommand*\setComp[2]{\left\{#1\spac\middle|\spac#2\right\}}
\newcommand*\set[1]{\left\{#1\right\}}
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\newcommand*\record[1]{\left\{\spac#1\spac\right\}}
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\newcommand*\recordComp[2]{\left\{\spac#1\spac\middle|\spac#2\spac\right\}}
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\newenvironment{inbox}[1][]{
  \begin{array}[#1]{@{}l@{}}
}{
  \end{array}
}

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\newcommand{\op}{\textrm{op}}
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\newcommand{\dom}{\mathrm{dom}}
\newcommand{\cod}{\mathrm{cod}}
\newcommand{\chain}{\mathrm{chain}}

\newcommand{\pset}[1]{\wp(#1)} % Powerset
\newcommand{\psetdown}[1]{\wp^\downarrow(#1)}
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\newcommand{\finpset}[1]{\wp^\mathrm{fin}(#1)}
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\newcommand{\Func}{F} % functor

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% MODEL-SPECIFIC SYMBOLS & NOTATION & IDENTIFIERS
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\textdom}[1]{\textit{#1}}

\newcommand{\wIso}{\xi}

\newcommand{\rs}{r}
\newcommand{\rsB}{s}
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\newcommand{\rss}{R}
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\newcommand{\pres}{\pi}
\newcommand{\wld}{w}
\newcommand{\ghostRes}{g}

%% Various pieces of syntax
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\newcommand{\wsat}[3]{#1 \models_{#2} #3}
\newcommand{\wsatpre}{\textdom{pre-wsat}}
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\newcommand{\wtt}[2]{#1 : #2} % well-typed term

\newcommand{\nequiv}[1]{\ensuremath{\mathrel{\stackrel{#1}{=}}}}
\newcommand{\notnequiv}[1]{\ensuremath{\mathrel{\stackrel{#1}{\neq}}}}
\newcommand{\nequivset}[2]{\ensuremath{\mathrel{\stackrel{#1}{=}_{#2}}}}
\newcommand{\nequivB}[1]{\ensuremath{\mathrel{\stackrel{#1}{\equiv}}}}
\newcommand{\latert}{\mathord{\blacktriangleright}}
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\newcommand{\latertinj}{\textlog{next}}
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\newcommand{\Sem}[1]{\llbracket #1 \rrbracket}

\newcommand{\sembox}[1]{\hfill \normalfont \mbox{\fbox{\(#1\)}}}
\newcommand{\typedsection}[2]{\subsubsection*{\rm\em #1 \sembox{#2}}}


%% Some commonly used identifiers
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\newcommand{\SProp}{\textdom{SProp}}
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\newcommand{\UPred}{\textdom{UPred}}
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\newcommand{\mProp}{\textdom{Prop}} % meta-level prop
\newcommand{\iProp}{\textdom{iProp}}
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\newcommand{\iPreProp}{\textdom{iPreProp}}
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\newcommand{\Wld}{\textdom{Wld}}
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\newcommand{\Res}{\textdom{Res}}
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\newcommand{\cofe}{T}
\newcommand{\cofeB}{U}
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\newcommand{\COFEs}{\mathcal{COFE}} % category of COFEs
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\newcommand{\iFunc}{\Sigma}
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\newcommand{\fix}{\textdom{fix}}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% CMRA (RESOURCE ALGEBRA) SYMBOLS & NOTATION & IDENTIFIERS
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\textmon}[1]{\textsc{#1}}

\newcommand{\monoid}{M}
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\newcommand{\mval}{\mathcal{V}}
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\newcommand{\melt}{a}
\newcommand{\meltB}{b}
\newcommand{\meltC}{c}
\newcommand{\melts}{A}
\newcommand{\meltsB}{B}

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\newcommand{\f}{\mathrm{f}} % for "frame"

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\newcommand{\munit}{\varepsilon}
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\newcommand{\mcore}[1]{{\mid}#1{\mid}} % using "|" here makes LaTeX diverge. WTF.
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\newcommand{\mnocore}\top
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\newcommand{\mtimes}{\mathbin{\cdot}}

\newcommand{\mupd}{\rightsquigarrow}
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\newcommand{\mincl}[1][]{\ensuremath{\mathrel{\stackrel{#1}{\preccurlyeq}}}}
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\newcommand{\CMRAs}{\mathcal{CMRA}} % category of CMRAs
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% LOGIC SYMBOLS & NOTATION & IDENTIFIERS
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\textlog}[1]{\textsf{#1}}

\newcommand{\Sig}{\mathcal{S}}
\newcommand{\SigType}{\mathcal{T}}
\newcommand{\SigFn}{\mathcal{F}}
\newcommand{\SigAx}{\mathcal{A}}
\newcommand{\sigtype}{T}
\newcommand{\sigfn}{F}
\newcommand{\sigax}{A}

\newcommand{\type}{\tau}

\newcommand{\var}{x}
\newcommand{\varB}{y}
\newcommand{\varC}{z}

\newcommand{\term}{t}
\newcommand{\termB}{u}

\newcommand{\vctx}{\Gamma}
\newcommand{\pfctx}{\Theta}

\newcommand{\prop}{P}
\newcommand{\propB}{Q}
\newcommand{\propC}{R}

\newcommand{\pred}{\varphi}
\newcommand{\predB}{\psi}
\newcommand{\predC}{\zeta}

\newcommand{\gname}{\gamma}
\newcommand{\iname}{\iota}

\newcommand{\mask}{\mathcal{E}}
\newcommand{\namesp}{\mathcal{N}}
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\newcommand{\namecl}[1]{{#1^{\kern0.2ex\uparrow}}}
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%% various pieces of Syntax
\def\MU #1.{\mu #1.\spac}%
\def\Lam #1.{\lambda #1.\spac}%

\newcommand{\proves}{\vdash}
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\newcommand{\provesIff}{\mathrel{\dashv\vdash}}
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\newcommand{\wand}{\;{{\mbox{---}}\!\!{*}}\;}

% oh my... I have to wrap the "-" in a \mathrm, otherwise all hell breaks lose...
\newcommand{\fmapsto}[1][\mathrm{-}]{\xmapsto{#1}}
\newcommand{\gmapsto}{\hookrightarrow}%
\newcommand{\fgmapsto}[1][\mathrm{-}]{\xhookrightarrow{#1}}%

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\NewDocumentCommand\wpre{m O{} m}%
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  {\textlog{wp}_{#2}\spac#1\spac{\{#3\}}}
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\newcommand{\later}{\mathord{\triangleright}}
\newcommand{\always}{\Box{}}

%% Invariants and Ghost ownership
% PDS: Was 0pt inner, 2pt outer.
% \boxedassert [tikzoptions] contents [name]
\tikzstyle{boxedassert_border} = [sharp corners,line width=0.2pt]
\NewDocumentCommand \boxedassert {O{} m o}{%
	\tikz[baseline=(m.base)]{
		%	  \node[rectangle, draw,inner sep=0.8pt,anchor=base,#1] (m) {${#2}\mathstrut$};
		\node[rectangle,inner sep=0.8pt,outer sep=0.2pt,anchor=base] (m) {${#2}\mathstrut$};
		\draw[#1,boxedassert_border] ($(m.south west) + (0,0.65pt)$) rectangle ($(m.north east) + (0, 0.7pt)$);
	}\IfNoValueF{#3}{^{\,#3}}%
}
\newcommand*{\knowInv}[2]{\boxedassert{#2}[#1]}
\newcommand*{\ownGhost}[2]{\boxedassert[densely dashed]{#2}[#1]}
\newcommand*{\ownGGhost}[1]{\boxedassert[densely dashed]{#1}}
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\newcommand{\ownM}[1]{\textlog{Own}(#1)}
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\newcommand{\ownPhys}[1]{\textlog{Phy}(#1)}

%% View Shifts
\NewDocumentCommand \vsGen {O{} m O{}}%
  {\mathrel{%
    \ifthenelse{\equal{#3}{}}{%
      % Just one mask, or none
      {#2}_{#1}%
    }{%
      % Two masks
      \tensor*[^{#1}]{#2}{^{#3}}
    }%
  }}%
\NewDocumentCommand \vs {O{} O{}} {\vsGen[#1]{\Rrightarrow}[#2]}
\NewDocumentCommand \vsL {O{} O{}} {\vsGen[#1]{\Lleftarrow}[#2]}
\NewDocumentCommand \vsE {O{} O{}} %
  {\vsGen[#1]{\Lleftarrow\!\!\!\Rrightarrow}[#2]}
\NewDocumentCommand \pvs {O{} O{}} {\mathord{\vsGen[#1]{{\mid\kern-0.4ex\Rrightarrow\kern-0.25ex}}[#2]\kern0.2ex}}

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% for now, the update modality looks like a pvs without masks.
\NewDocumentCommand \upd {} {\mathord{\mid\kern-0.4ex\Rrightarrow\kern-0.25ex}}

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%% Hoare Triples
\newcommand*{\hoaresizebox}[1]{%
  \hbox{$\mathsurround=0pt{#1}\mathstrut$}}
\newcommand*{\hoarescalebox}[2]{%
  \hbox{\scalerel*[1ex]{#1}{#2}}}
\newcommand{\triple}[5]{%
  \setbox0=\hoaresizebox{{#3}{#5}}%
  \setbox1=\hoarescalebox{#1}{\copy0}%
  \setbox2=\hoarescalebox{#2}{\copy0}%
  \copy1{#3}\copy2%
  \;{#4}\;%
  \copy1{#5}\copy2}
\NewDocumentCommand \hoare {m m m O{}}{
	\triple\{\}{#1}{#2}{#3}%
	_{#4}%
}

\newcommand{\bracket}[4][]{%
  \setbox0=\hbox{$\mathsurround=0pt{#1}{#4}\mathstrut$}%
  \scalerel*[1ex]{#2}{\copy0}%
  {#4}%
  \scalerel*[1ex]{#3}{\copy0}}
% \curlybracket[other] x
\newcommand{\curlybracket}[2][]{\bracket[{#1}]\{\}{#2}}
\newcommand{\anglebracket}[2][]{\bracket[{#1}]\langle\rangle{#2}}
% \hoareV[t] pre c post [mask]
\NewDocumentCommand \hoareV {O{c} m m m O{}}{
		{\begin{aligned}[#1]
		&\curlybracket{#2} \\
		&\quad{#3} \\
		&{\curlybracket{#4}}_{#5}
		\end{aligned}}%
}
% \hoareHV[t] pre c post [mask]
\NewDocumentCommand \hoareHV {O{c} m m m O{}}{
	{\begin{aligned}[#1]
	&\curlybracket{#2} \; {#3} \\
	&{\curlybracket{#4}}_{#5}
	\end{aligned}}%
}


%% Some commonly used identifiers
\newcommand{\timeless}[1]{\textlog{timeless}(#1)}
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\newcommand{\persistent}[1]{\textlog{persistent}(#1)}
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\newcommand{\physatomic}[1]{\textlog{atomic}($#1$)}
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\newcommand{\infinite}{\textlog{infinite}}

\newcommand{\Prop}{\textlog{Prop}}
\newcommand{\Pred}{\textlog{Pred}}

\newcommand{\TRUE}{\textlog{True}}
\newcommand{\FALSE}{\textlog{False}}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% GENERIC LANGUAGE SYNTAX AND SEMANTICS
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\expr}{e}
\newcommand{\val}{v}
\newcommand{\valB}{w}
\newcommand{\state}{\sigma}
\newcommand{\step}{\ra}
\newcommand{\lctx}{K}

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\newcommand{\toval}{\mathrm{expr2val}}
\newcommand{\ofval}{\mathrm{val2expr}}
\newcommand{\atomic}{\mathrm{atomic}}
\newcommand{\red}{\mathrm{red}}
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\newcommand{\Lang}{\Lambda}

\newcommand{\tpool}{T}

\newcommand{\cfg}[2]{{#1};{#2}}

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% STANDARD DERIVED CONSTRUCTIONS
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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\newcommand{\unittt}{()}
\newcommand{\unit}{1}

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% Agreement
\newcommand{\agm}{\ensuremath{\textmon{Ag}}}
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\newcommand{\aginj}{\textlog{ag}}
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% Fraction
\newcommand{\fracm}{\ensuremath{\textmon{Frac}}}

% Exclusive
\newcommand{\exm}{\ensuremath{\textmon{Ex}}}
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\newcommand{\exinj}{\textlog{ex}}
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% Auth
\newcommand{\authm}{\textmon{Auth}}
\newcommand{\authfull}{\mathord{\bullet}\,}
\newcommand{\authfrag}{\mathord{\circ}\,}

\newcommand{\AuthInv}{\textsf{AuthInv}}
\newcommand{\Auth}{\textsf{Auth}}

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% Sum
\newcommand{\csumm}{\mathrel{+_{\!\bot}}}
\newcommand{\cinl}{\textsf{inl}}
\newcommand{\cinr}{\textsf{inr}}

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% One-Shot
\newcommand{\oneshotm}{\ensuremath{\textmon{OneShot}}}
\newcommand{\ospending}{\textlog{pending}}
\newcommand{\osshot}{\textlog{shot}}

% STSs
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\newcommand{\STSCtx}{\textlog{StsCtx}}
\newcommand{\STSSt}{\textlog{StsSt}}
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\newcommand{\STSclsd}{\textlog{closed}}
\newcommand{\STSauth}{\textlog{auth}}
\newcommand{\STSfrag}{\textlog{frag}}
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\newcommand{\STSS}{\mathcal{S}} % states
\newcommand{\STST}{\mathcal{T}} % tokens
\newcommand{\STSL}{\mathcal{L}} % labels
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\newcommand{\stsstep}{\ra}
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\newcommand{\ststrans}{\ra^{*}}%	the relation relevant to the STS rules
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\newcommand{\stsfstep}[1]{\xrightarrow{#1}}
\newcommand{\stsftrans}[1]{\stsfstep{#1}^{*}}
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\tikzstyle{sts} = [->,every node/.style={rectangle, rounded corners, draw, minimum size=1.2cm, align=center}]
\tikzstyle{sts_arrows} = [arrows={->[scale=1.5]},every node/.style={font=\sffamily\small}]

%% Stored Propositions
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\newcommand{\mapstoprop}{\mathrel{\kern-0.5ex\tikz[baseline=(m)]{\node at (0,0) (m){}; \draw[line cap=round] (0,0.16) -- (0,-0.004);}\kern-1.5ex\Ra}}
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\endinput