src/Pure/tactic.ML
changeset 12725 7ede865e1fe5
parent 12498 3b0091bf06e8
child 12782 a4183c50ae5f
--- a/src/Pure/tactic.ML	Fri Jan 11 18:49:25 2002 +0100
+++ b/src/Pure/tactic.ML	Sat Jan 12 16:37:58 2002 +0100
@@ -524,7 +524,7 @@
 
 fun norm_hhf th =
   (if Logic.is_norm_hhf (#prop (Thm.rep_thm th)) then th else rewrite_rule [Drule.norm_hhf_eq] th)
-  |> Drule.forall_elim_vars_safe;
+  |> Drule.gen_all;
 
 val norm_hhf_tac = SUBGOAL (fn (t, i) =>
   if Logic.is_norm_hhf t then all_tac