Added barreled spaces.

src/fa/rs/bv.tex

@@ -66,7 +66,7 @@
         \item $BV([a, b]; E)$ is a vector space.
         \item For each continuous seminorm $\rho$ on $E$, $[\cdot]_{\text{var}, \rho}$ is a seminorm on $BV([a, b]; E)$.
         \item Let $\fF$ be a filter on $BV([a, b]; E)$ and $f: [a, b] \to E$. If
-        \begin{enumerate}
+        \begin{enumerate}[label=\alph*]
             \item $\pi_x(\fF) \to f(x)$ for all $x \in [a, b]$.
             \item For every continuous seminorm $\rho$ on $E$, there exists $U \in \fF$ such that $\sup_{g \in U}[g]_{\text{var}, \rho} = M_\rho < \infty$.
         \end{enumerate}