final update on 4121

pages/Math4121/Math4121_L24.md

@@ -22,13 +22,13 @@ Since $c_e(S)=0$ and $\partial S=[0,1]$, $c_i(S)=1$.
 
 So $c_e(\partial S)=1\neq 0$.
 
-2. SVC(3) is Jordan measurable.
+2. $SVC(3)$ is Jordan measurable.
 
 Since $c_e(S)=0$ and $\partial S=0$, $c_i(S)=0$. The outer content of the cantor set is $0$.
 
 > Any set or subset of a set with $c_e(S)=0$ is Jordan measurable.
 
-3. SVC(4)
+3. $SVC(4)$
 
 At each step, we remove $2^n$ intervals of length $\frac{1}{4^n}$.