\hidehacktrue\ifhidehack#1\else#2\fi\hidehackfalse}
\newcommand{\pa}[1]{\hidefromedef{\varmathbb{#1}}{#1}}
\hidehacktrue\ifhidehack#1\else#2\fi\hidehackfalse}
\newcommand{\pa}[1]{\hidefromedef{\varmathbb{#1}}{#1}}
\newcommand{\set}[1]{\mathbb{#1}}
\newcommand{\pay}[1]{\pa{#1}^+}
\newcommand{\pan}[1]{\pa{#1}^-}
\newcommand{\set}[1]{\mathbb{#1}}
\newcommand{\pay}[1]{\pa{#1}^+}
\newcommand{\pan}[1]{\pa{#1}^-}
%\newcommand{\hasparents}{\underaccent{1}{>}}
%\newcommand{\hasparents}{{%
% \declareslashed{}{_{_1}}{0}{-0.8}{>}\slashed{>}}}
%\newcommand{\hasparents}{\underaccent{1}{>}}
%\newcommand{\hasparents}{{%
% \declareslashed{}{_{_1}}{0}{-0.8}{>}\slashed{>}}}
\newcommand{\hasparents}{>_{\mkern-7.0mu _{1:}}}
\newcommand{\areparents}{<_{\mkern-14.0mu _{1:}\mkern+5.0mu}}
\newcommand{\hasparents}{>_{\mkern-7.0mu _{1:}}}
\newcommand{\areparents}{<_{\mkern-14.0mu _{1:}\mkern+5.0mu}}
\newcommand{\pendsof}[2]{\pends ( #1 , #2 ) }
%\newcommand{\commitmerge}{\text{\commitmergename}}
\newcommand{\pendsof}[2]{\pends ( #1 , #2 ) }
%\newcommand{\commitmerge}{\text{\commitmergename}}
\newcommand{\qed}{\square}
\newcommand{\proofstarts}{{\it Proof:}}
\newcommand{\proof}[1]{\proofstarts #1 $\qed$}
\newcommand{\qed}{\square}
\newcommand{\proofstarts}{{\it Proof:}}
\newcommand{\proof}[1]{\proofstarts #1 $\qed$}