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diff --git a/proof.tex b/proof.tex
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--- a/proof.tex
+++ b/proof.tex
@@ -52,7 +52,7 @@ As HTL is quite far removed from 3AC, this first translation is the most involve
   \end{equation*}
 \end{lemma}
 
-\begin{proof}[Proof sketch] 
+\begin{proof}[Proof sketch]
   We prove this lemma by first establishing a specification of the translation function $\yhfunction{tr\_htl}$ that captures its important properties, and then splitting the proof into two parts: one to show that the translation function does indeed meet its specification, and one to show that the specification implies the desired simulation result. This strategy is in keeping with standard \compcert{} practice. % The forward simulation is then proven by showing that the initial states and final states between the 3AC semantics and HTL semantics match, and then showing that the simulation diagram in Lemma~\ref{lemma:simulation_diagram} holds.
 \end{proof}