src/HOL/Auth/WooLam.ML
changeset 3730 6933d20f335f
parent 3683 aafe719dff14
child 4091 771b1f6422a8
--- a/src/HOL/Auth/WooLam.ML	Mon Sep 29 11:46:33 1997 +0200
+++ b/src/HOL/Auth/WooLam.ML	Mon Sep 29 11:47:01 1997 +0200
@@ -175,6 +175,6 @@
 \        --> Says A B (Crypt (shrK A) (Nonce NB)) : set evs";
 by (parts_induct_tac 1);
 by (Fake_parts_insert_tac 1);
-by (Step_tac 1);
+by Safe_tac;
 by (blast_tac (!claset addSEs partsEs) 1);
 **)