assert that exact ancestors is trivial

diff --git a/article.tex b/article.tex
index 1dd625fb915d87f34687753e19ec98647e753ebe..a57bbec868dc202f99c959e68d802c566573a906 100644 (file)
--- a/article.tex
+++ b/article.tex
@@ -275,7 +275,7 @@ $ \bigforall_{C \in \py}\bigforall_{D \in \py}
     ( \mathop{\hbox{\huge{$\vee$}}}_{R \in \set R} D \le R )
     \lor D = C
 }\]
-xxx proof tbd
+\proof{ ~ Trivial.}
 
 \[ \eqn{Transitive Ancestors:}{
   \left[ \bigforall_{ E \in \pendsof{C}{\set P} } E \le M \right] \equiv