X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topbloke-formulae.git;a=blobdiff_plain;f=ranking.tex;h=1dfb63a3d183031eb95989fa0d08c5c6e1898295;hp=e705a56c949fa1f9b6b28a3c7ce74bd73f5c3227;hb=f4b799f5604417c83c799c3ff513864502f5ef67;hpb=8ee16bd8a84437fc51257805eb234c4dee054889

diff --git a/ranking.tex b/ranking.tex
index e705a56..1dfb63a 100644
--- a/ranking.tex
+++ b/ranking.tex
@@ -18,14 +18,13 @@ $\alg{Rank-Recurse}(\pc)$ is:
 ranking iteration, do nothing.  Otherwise:
 
 \item Add $\pc$ to $\allpatches$ if it is not there already.
+If it was added, recalculate $\allsrcs$ accordingly.
 
 \item Set
 $$
   \set S \iassign h(\pcn)
-     \cup 
-        \bigcup_{\p \in \allpatches}
-        \bigcup_{H \in h(\pn) \lor H \in h(\py)}
-         \{ \baseof{E} \; | \; E \in \pendsof{H}{\pcy} \}
+     \cup
+         \{ \baseof{E} \; | \; E \in \pendsof{\allsrcs}{\pcy} \}
 $$
 
 and $W \iassign w(h(\pcn))$
@@ -65,8 +64,6 @@ $$
   }
 $$
 
-TODO define $\setmerge$
-
 \item Finalise our putative direct dependencies
 $
 \Gamma \assign g(\pc, \Gamma)