\newcommand{\notpatchisin}{\mathrel{\,\not\!\not\relax\patchisin}}
\newcommand{\haspatch}{\sqSupset}
\newcommand{\patchisin}{\sqSubset}
+%\newcommand{\zhaspatch}{\mathrel{\underset{\fullmoon}\sqSupset}}
+\newcommand{\zhaspatch}{\mathrel{\sqSupset_\varnothing\mkern-4mu}}
\newif\ifhidehack\hidehackfalse
\DeclareRobustCommand\hidefromedef[2]{%
{\hbox{\normalsize$\forall$}}%
{\hbox{\scriptsize$\forall$}}}%
}
+\newcommand{\bigexists}{%
+ \mathop{\mathchoice%
+ {\hbox{\huge$\exists$}}%
+ {\hbox{\Large$\exists$}}%
+ {\hbox{\normalsize$\exists$}}%
+ {\hbox{\scriptsize$\exists$}}}%
+}
\newcommand{\Largeexists}{\mathop{\hbox{\Large$\exists$}}}
\newcommand{\Largenexists}{\mathop{\hbox{\Large$\nexists$}}}