\newcommand{\depsreq}{{\mathcal G}}
\newcommand{\allsrcs}{\set U}
+\newcommand{\allreach}{\set O}
+\newcommand{\allreachof}[1]{\set O^{#1}}
\newcommand{\patchof}[1]{\patch ( #1 ) }
\newcommand{\baseof}[1]{\base ( #1 ) }
\newcommand{\tipdn}{ \tipa \pdn }
\newcommand{\tipdy}{ \tipa \pdy }
+\newcommand{\tippy}{ \tipa \py }
+
%\newcommand{\bigforall}{\mathop{\hbox{\huge$\forall$}}}
\newcommand{\bigforall}{%
\mathop{\mathchoice%