From 6a960a6231f9682d4fc35de6b316e0bc78c4acba Mon Sep 17 00:00:00 2001
From: Bokuan Li <bokuan.li@mail.mcgill.ca>
Date: Tue, 28 Apr 2026 18:05:37 -0400
Subject: [PATCH] Fixed typo in variation function.

---
 src/fa/rs/bv.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fa/rs/bv.tex b/src/fa/rs/bv.tex
index 4ec07e8..ecbbaf3 100644
--- a/src/fa/rs/bv.tex
+++ b/src/fa/rs/bv.tex
@@ -29,7 +29,7 @@
     is the \textbf{variation function} of $f$ with respect to $\rho$, and:
     \begin{enumerate}
         \item $T_{f, \rho}: [a, b] \to [0, \infty]$ is a non-negative, non-decreasing function. 
-        \item If $f \in BV([a, b]; E)$, then for any $[c, d] \subset [a, b]$, $[f]_{\text{var}, \rho} = T_{f, \rho}(d) - T_{f, \rho}(a)$. 
+        \item If $f \in BV([a, b]; E)$, then for any $[c, d] \subset [a, b]$, $[f]_{\text{var}, \rho} = T_{f, \rho}(d) - T_{f, \rho}(c)$. 
     \end{enumerate}
 \end{definition}
 \begin{proof}