merge tip contentss: clarify arbitrariness of D

diff --git a/article.tex b/article.tex
index 0f1a24b9b723f69d3453e2eb73d3beab51154029..faf41526029fb4b0c489e4b8fedfe072d7f62dad 100644 (file)
--- a/article.tex
+++ b/article.tex
@@ -656,7 +656,8 @@ then by Tip Merge $M = \baseof{L}$ so by Base Acyclic and definition
 of $\nothaspatch$, $M \nothaspatch \p$.  So by Coherence/Inclusion $C
 \haspatch \p$ (whether $R \haspatch \p$ or $\nothaspatch$).
 
-We will consider some $D$ and prove the Exclusive Tip Contents form.
+We will consider an arbitrary commit $D$
+and prove the Exclusive Tip Contents form.
 
 \subsubsection{For $D \in \py$:}
 $C \haspatch \p$ so by definition of $\haspatch$, $D \isin C \equiv D