create base foreign contents

diff --git a/article.tex b/article.tex
index 8e474d464f83cdaf01663f9b2b78ba816fe870ba..f20957d3087141ae4bb4ed21bd7ea5b92f0ddf83 100644 (file)
--- a/article.tex
+++ b/article.tex
@@ -531,6 +531,10 @@ By Foreign Inclusion of $D$ in $L$, $D \isin L \equiv D \le L$.
 And by Exact Ancestors $D \le L \equiv D \le B$.
 So $D \isin B \equiv D \le B$.  $\qed$
 
+\subsection{Foreign Contents}
+
+Not applicable.
+
 \section{Create Tip}
 
 xxx tbd