Fixed regex incident.

src/cat/tricks/dyadic.tex

@@ -42,7 +42,7 @@
     \begin{enumerate}
         \item[(a)] for each $n \in \natp$, $g_{n+1} + g_{n+1} \le g_n$.
         \item[(b)] For each $x, y \in G$, $x + y \ge x, y$. 
-    \end\{enumerate\}
+    \end{enumerate}
 
     
     For each $x \in \mathbb{D} \cap [0, 1)$, let $\phi(x) = \sum_{n \in M(x)}g_n$, then