--- a/src/HOL/subset.thy Mon Oct 04 21:46:13 1999 +0200 +++ b/src/HOL/subset.thy Mon Oct 04 21:46:49 1999 +0200 @@ -4,4 +4,7 @@ Copyright 1994 University of Cambridge *) -subset = Set +theory subset = Set +files "Tools/typedef_package.ML": + +end