--- a/src/HOL/Auth/Message.thy Sun May 06 21:49:29 2007 +0200
+++ b/src/HOL/Auth/Message.thy Sun May 06 21:49:32 2007 +0200
@@ -857,7 +857,7 @@
concerns Crypt K X \<notin> Key`shrK`bad and cannot be proved by rewriting
alone.*)
fun prove_simple_subgoals_tac i =
- force_tac (claset(), simpset() addsimps [image_eq_UN]) i THEN
+ force_tac (claset(), simpset() addsimps [@{thm image_eq_UN}]) i THEN
ALLGOALS Asm_simp_tac
(*Analysis of Fake cases. Also works for messages that forward unknown parts,
--- a/src/HOL/SET-Protocol/MessageSET.thy Sun May 06 21:49:29 2007 +0200
+++ b/src/HOL/SET-Protocol/MessageSET.thy Sun May 06 21:49:32 2007 +0200
@@ -844,7 +844,7 @@
concerns Crypt K X \<notin> Key`shrK`bad and cannot be proved by rewriting
alone.*)
fun prove_simple_subgoals_tac i =
- force_tac (claset(), simpset() addsimps [image_eq_UN]) i THEN
+ force_tac (claset(), simpset() addsimps [@{thm image_eq_UN}]) i THEN
ALLGOALS Asm_simp_tac
(*Analysis of Fake cases. Also works for messages that forward unknown parts,