X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topbloke-formulae.git;a=blobdiff_plain;f=create-base.tex;h=9325091196c21b02e9ffbe047e17eb9ac4a14934;hp=e564623868465dc31ec2739dcc54f3d7b7bd3d43;hb=5d3c5605cb766f839aacde751367b1a3e7d93962;hpb=3a480476887e4dfb10fbb3585adfc8b04d16859d

diff --git a/create-base.tex b/create-base.tex
index e564623..9325091 100644
--- a/create-base.tex
+++ b/create-base.tex
@@ -13,7 +13,7 @@ create a Topbloke base branch initial commit $B$.
 \subsection{Conditions}
 
 \[ \eqn{ Create Acyclic }{
- \pendsof{L}{\pqy} = \{ \}
+ L \nothaspatch \pq
 }\]
 
 \subsection{No Replay}
@@ -31,8 +31,7 @@ Not applicable.
 \subsection{Base Acyclic}
 
 Consider some $D \isin B$.  If $D = B$, $D \in \pqn$.
-If $D \neq B$, $D \isin L$, so by No Replay $D \le L$
-and by Create Acyclic
+If $D \neq B$, $D \isin L$, so by Create Acyclic
 $D \not\in \pqy$.  $\qed$
 
 \subsection{Coherence and Patch Inclusion}
@@ -41,11 +40,15 @@ Consider some $D \in \py$.
 $B \not\in \py$ so $D \neq B$.  So $D \isin B \equiv D \isin L$
 and $D \le B \equiv D \le L$.
 
-Thus $L \haspatch \p \implies B \haspatch P$
-and $L \nothaspatch \p \implies B \nothaspatch P$.
+Thus $L \haspatch \p \equiv B \haspatch P$
+and $L \nothaspatch \p \equiv B \nothaspatch P$.
 
 $\qed$
 
+\subsection{Unique Tips:}
+
+Single Parent Unique Tips applies.  $\qed$
+
 \subsection{Foreign Inclusion}
 
 Simple Foreign Inclusion applies. $\qed$