\newcommand{\eqn}[2]{ #2 \tag*{\mbox{#1}} }
-\newcommand{\bigforall}{\mathop{\hbox{\huge$\forall$}}}
+%\newcommand{\bigforall}{\mathop{\hbox{\huge$\forall$}}}
+\newcommand{\bigforall}{%
+ \mathop{\mathchoice%
+ {\hbox{\huge$\forall$}}%
+ {\hbox{\Large$\forall$}}%
+ {\hbox{\normalsize$\forall$}}%
+ {\hbox{\scriptsize$\forall$}}}%
+}
\begin{document}
$ \bigforall_{D \in \py} D \isin C \equiv D \le C $.
Informally, $C$ has the contents of $\p$.
-\item[ $ C \nothaspatch \p $ ]
-$ \bigforall_{D \in \py} D \not\isin C $.
-Informally, $C$ has none of the contents of $\p$.
+\item[ $\displaystyle C \nothaspatch \p $ ]
+$\displaystyle \bigforall_{D \in \py} D \not\isin C $.
+~ Informally, $C$ has none of the contents of $\p$.
\end{basedescript}