\renewcommand{\land}{\wedge}
+\newcommand{\eqn}[2]{ #2 \tag*{\mbox{#1}} }
+
\begin{document}
\section{Notation}
\section{Invariants}
-\[ C \has D \implies C \ge D \tag*{\mbox{No replay:}} \]
-
-\[ \mathop{\forall}_{C \in \py} \pends{C}{\pn} = \{ B \} \tag*{\mbox{Unique base:}} \]
+\[ \eqn{No replay:}{
+ C \has D \implies C \ge D } \]
+\[\eqn{Unique base:}{
+ \mathop{\forall}_{C \in \py} \pends{C}{\pn} = \{ B \} }\]
\section{Test more symbols}