--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/equalities.thy	Fri Aug 19 11:10:56 1994 +0200
@@ -0,0 +1,9 @@
+(*  Title: 	HOL/equalities
+    ID:         $Id$
+    Author: 	Lawrence C Paulson, Cambridge University Computer Laboratory
+    Copyright   1994  University of Cambridge
+
+Equalities involving union, intersection, inclusion, etc.
+*)
+
+equalities = subset