--- a/Nominal/Nominal2_Abs.thy Mon Jun 27 19:13:55 2011 +0100 +++ b/Nominal/Nominal2_Abs.thy Mon Jun 27 19:15:18 2011 +0100 @@ -786,7 +786,6 @@ apply(blast)+ done - lemma Abs1_eq_iff: fixes x::"'a::fs" assumes "sort_of a = sort_of b"