\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{spotltl}[2013/08/28 Temporal Logic Operators for LTL and PSL]
% NOTE: if you use amsmath.sty, make sure you include it before spotltl.sty
% otherwise it will try to redefine some symbols from txfonts.
\RequirePackage{txfonts}

\newcommand{\ttrue}{\top}
\newcommand{\ffalse}{\bot}
\newcommand{\eword}{\varepsilon}  % empty word, denoted by [*0] in PSL

% These three are not declared as operator 
\newcommand{\F}{\mathsf{F}} % eventually
\newcommand{\G}{\mathsf{G}} % always
\newcommand{\X}{\mathsf{X}} % next
% The \mathbin tell TeX to adjust spacing for binary operators
\newcommand{\M}{\mathbin{\mathsf{M}}} % strong release
\newcommand{\R}{\mathbin{\mathsf{R}}} % release
\newcommand{\U}{\mathbin{\mathsf{U}}} % until
\newcommand{\W}{\mathbin{\mathsf{W}}} % weak until

% additional logical operators to complete \land, \lor, and \lnot.
\newcommand{\limplies}{\rightarrow}
\newcommand{\liff}{\leftrightarrow}
\newcommand{\lxor}{\oplus}

% Star-like PSL operators
\newcommand{\SereStar}[1]{^{\star#1}}
\newcommand{\SereEqual}[1]{^{=#1}}
\newcommand{\SereGoto}[1]{^{\to#1}}
\newcommand{\SerePlus}{^+}
\newcommand{\SereFusion}{\mathbin{\mathsf{:}}}
\newcommand{\SereConcat}{\mathbin{\mathsf{;}}}
\newcommand{\SereOr}{\cup}
\newcommand{\SereAnd}{\cap}
\newcommand{\SereAndNLM}{\mathbin{\mathsf{\&}}}

% Triggers and Seq operators, with their variant.  The *M variants of
% these ope are internal "Marked" operators for Spot that should
% normally not be output unless the formula is used to label a state
% in an automaton (but we do not use LaTeX there).

\newcommand{\seq}{\Diamondright}
%\newcommand{\seqM}{\seq}
\newcommand{\seqX}{\DiamondRight}
%\newcommand{\seqXM}{\seqX}
\newcommand{\triggers}{\boxright}
\newcommand{\triggersX}{\boxRight}