strategy: add a TODO since Base Ends Supreme is not defined anywhere

diff --git a/traversal.tex b/traversal.tex
index ab1e6d4ade011651642cbc61bf8ac5ab3e3a4aae..61d904e13375efbe111a27300a3f7bac430cc16b 100644 (file)
--- a/traversal.tex
+++ b/traversal.tex
@@ -248,7 +248,7 @@ $\alg{Merge}$ with $L = W, \; R = S$ and any suitable $M$.
 
   By the results of Tip Base Merge, $\baseof{W} = \tipcn$.
 
-  By Base Ends Supreme, $\tipcn \ge \baseof{S}$ i.e.
+  By Base Ends Supreme TODO CHECK THIS, $\tipcn \ge \baseof{S}$ i.e.
   $\baseof{R} \ge \baseof{L}$.
 
   Either $\baseof{L} = \baseof{M}$, or we must choose a different $M$ in