From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 11 Mar 2012 12:06:57 +0000 (+0000)
Subject: strengthen anticommit condition to From Base
X-Git-Tag: f0.2~101
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topbloke-formulae.git;a=commitdiff_plain;h=26c18196858d61ec8bd051837aa9ccb08f68ccaf

strengthen anticommit condition to From Base
---

diff --git a/article.tex b/article.tex
index d1ce6e8..0688c7a 100644
--- a/article.tex
+++ b/article.tex
@@ -429,15 +429,15 @@ Used for removing a branch dependency.
 
 \subsection{Conditions}
 
+\[ \eqn{ From Base }{
+ L \in \pn
+}\]
 \[ \eqn{ Unique Tip }{
  \pendsof{L}{\pry} = \{ R^+ \}
 }\]
 \[ \eqn{ Currently Included }{
  L \haspatch \pry
 }\]
-\[ \eqn{ Not Self }{
- L \not\in \{ R^+ \}
-}\]
 
 \subsection{No Replay}
 
@@ -481,7 +481,12 @@ $\qed$
 
 \subsection{Unique Base}
 
-Need to consider only $C \in \py$, ie $L \in \py$.
+From Base means that $C \in \pn$, so Unique Base is not
+applicable. $\qed$
+
+\subsection{Tip Contents}
+
+Again, not applicable. $\qed$
 
 xxx tbd