theorem modification complete

elegantbook-en.tex

@@ -1,4 +1,4 @@
-\documentclass[noanswer]{elegantbook}
+\documentclass[noanswer,fancy,hide]{elegantbook}
 
 \title{An Elegant \LaTeX{} Template for Books}
 \subtitle{Classic Elegant\LaTeX{} Template}
@@ -310,6 +310,10 @@ Note that a subgroup~$H$ of a group $G$ is itself a left coset of $H$ in $G$.
 
 \begin{theorem}{Lagrange's Theorem}{}
 Let $G$ be a finite group, and let $H$ be a subgroup of $G$.  Then the order of $H$ divides the order of $G$.
+\begin{enumerate}
+\item fwfew
+\item fwefw
+\end{enumerate}
 \end{theorem}
 
 \lipsum[3]