--- a/src/ZF/upair.thy Wed Oct 29 19:01:49 2014 +0100
+++ b/src/ZF/upair.thy Wed Oct 29 19:13:19 2014 +0100
@@ -17,7 +17,6 @@
begin
ML_file "Tools/typechk.ML"
-setup TypeCheck.setup
lemma atomize_ball [symmetric, rulify]:
"(!!x. x \<in> A ==> P(x)) == Trueprop (\<forall>x\<in>A. P(x))"