X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topbloke-formulae.git;a=blobdiff_plain;f=trav-alg.tex;h=df5e4cd8fb3b5e47532215b754ea66b6816fb0c1;hp=9e5197e1a65378f672d83efd2e6a7b0f52bcec7f;hb=0ef6782afa245b0744d82dc7ff2d5a34a1fe2dc1;hpb=72b5b4dfa71909497490c3a09271a1adda1884c7

diff --git a/trav-alg.tex b/trav-alg.tex
index 9e5197e..df5e4cd 100644
--- a/trav-alg.tex
+++ b/trav-alg.tex
@@ -29,6 +29,11 @@ such that:
 \statement{Correct Base}{
   \baseof{\tipcy} = \tipcn
 }
+\statement{Base Correct Contents}{
+  \tipcn \haspatch \pa E
+   \equiv
+  \pa E \isdep \pc
+}
 \statement{Tip Exceeds Inputs}{
   \tipcy \ge \pendsof{\allsrcs}{\pcy}
 }
@@ -81,6 +86,8 @@ That is, use $\alg{Merge}$ with $L = W,\; R = S,\; M = M^{\pcn}_i$.
 
 Execute $\alg{Fixup-Base}(W,\pc)$.
 
+TODO define Fixup-Base
+
 \subsubsection{Result}
 
 If all of that was successful, let $\tipcn = W$.
@@ -95,7 +102,7 @@ Choose a $\hasdep$-maximal direct dependency $\pd$ of $\pc$.
 
 \item
 
-Use $\alg{Create Base}$ with $L$ = $\pdy,\; \pq = \pc$ to generate $C$
+Use $\alg{Create Base}$ with $L$ = $\tipdy,\; \pq = \pc$ to generate $C$
 and set $W \iassign C$.  (Recreate Base Beginning.)
 
 \item