From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 10 Aug 2013 13:15:41 +0000 (+0100)
Subject: pseudomerge: Bases' Children
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topbloke-formulae.git;a=commitdiff_plain;h=35d8920c70badf3ea6556ad6cf53ea96ef6aec0c

pseudomerge: Bases' Children
---

diff --git a/pseudomerge.tex b/pseudomerge.tex
index 9ea2045..a8ba08a 100644
--- a/pseudomerge.tex
+++ b/pseudomerge.tex
@@ -99,28 +99,13 @@ Not applicable.
 We need to consider this for $D=L$ and also for $D=R$ ($R \in \set
 R$).
 
-For $D=L$, if $L \in \pn$ then $C \in \pn$, OK; whereas if
-$L \not \in \pn$ Bases' Children is inapplicable.
+For $D=L$: $L \in \pn$ so $\pd = \p$.  And $C \in \pn = \pdn$.  Bases'
+Children applies and is satisfied.
 
-For $D=R$, 
-xxx up to here?
-
-If $L \in \py, R \in \py$: not applicable for either $D=L$ or $D=R$.
-
-If $L \in \py, R \in \pn$: not applicable for $L$, OK for $R$.
-
-Other possibilities for $L \in \py$ are excluded by Tip Merge.
-
-If $L \in \pn, R \in \pn$: satisfied for both $L$ and $R$.
-
-If $L \in \pn, R \in \foreign$: satisfied for $L$, not applicable for
-$R$.
-
-If $L \in \pn, R \in \pqy$: satisfied for $L$, not applicable for
-$R$.
-
-Other possibilities for $L \in \pn$ are excluded by Base Merge.
-
-If $L \in \foreign$: not applicable for $L$; nor for $R$, by Foreign Merges.
+For $D = R \in \set R, R \in \pn$: $D \in \pn, \pd = \p, C \in \pn$ as
+for $D = L$.
 
+For $D = R \in \set R, R \in \foreign$, or $R \in \pqy$: $D \not\in
+\pdn$ so Bases' Children does not apply.
 
+Other possibilities for $D \in \set R$ are excluded by Ingredients.