\section{Invariants}
-No replay: $ C \has D \implies C \ge D $
+No replay: \[ C \has D \implies C \ge D \]
-Unique base: $ \mathop{\forall}\limits_{C \in \py} \pends{C}{\pn} = \{ B \} $
+Unique base: \[ \mathop{\forall}_{C \in \py} \pends{C}{\pn} = \{ B \} \]
\section{Test more symbols}