src/ZF/upair.thy
changeset 46955 7bd0780c0bd3
parent 46953 2b6e55924af3
parent 46950 d0181abdbdac
child 48891 c0eafbd55de3
--- a/src/ZF/upair.thy	Thu Mar 15 17:38:05 2012 +0000
+++ b/src/ZF/upair.thy	Thu Mar 15 22:21:28 2012 +0100
@@ -11,8 +11,11 @@
 
 header{*Unordered Pairs*}
 
-theory upair imports ZF
-uses "Tools/typechk.ML" begin
+theory upair
+imports ZF
+keywords "print_tcset" :: diag
+uses "Tools/typechk.ML"
+begin
 
 setup TypeCheck.setup