diff -r 23a8c5ac35f8 -r 69916a850301 src/HOLCF/IOA/Modelcheck/MuIOAOracle.thy
--- a/src/HOLCF/IOA/Modelcheck/MuIOAOracle.thy	Sat Oct 17 01:05:59 2009 +0200
+++ b/src/HOLCF/IOA/Modelcheck/MuIOAOracle.thy	Sat Oct 17 14:43:18 2009 +0200
@@ -1,6 +1,3 @@
-
-(* $Id$ *)
-
 theory MuIOAOracle
 imports MuIOA
 begin
@@ -17,21 +14,21 @@
 val ioa_implements_def = thm "ioa_implements_def";
 
 (* is_sim_tac makes additionally to call_sim_tac some simplifications,
-	which are suitable for implementation realtion formulas *)
+        which are suitable for implementation realtion formulas *)
 fun is_sim_tac ss thm_list = SUBGOAL (fn (goal, i) =>
   EVERY [REPEAT (etac thin_rl i),
-	 simp_tac (ss addsimps [ioa_implements_def]) i,
+         simp_tac (ss addsimps [ioa_implements_def]) i,
          rtac conjI i,
          rtac conjI (i+1),
-	 TRY(call_sim_tac thm_list (i+2)),
-	 TRY(atac (i+2)), 
+         TRY(call_sim_tac thm_list (i+2)),
+         TRY(atac (i+2)), 
          REPEAT(rtac refl (i+2)),
-	 simp_tac (ss addsimps (thm_list @
-				       comp_simps @ restrict_simps @ hide_simps @
-				       rename_simps @  ioa_simps @ asig_simps)) (i+1),
-	 simp_tac (ss addsimps (thm_list @
-				       comp_simps @ restrict_simps @ hide_simps @
-				       rename_simps @ ioa_simps @ asig_simps)) (i)]);
+         simp_tac (ss addsimps (thm_list @
+                                       comp_simps @ restrict_simps @ hide_simps @
+                                       rename_simps @  ioa_simps @ asig_simps)) (i+1),
+         simp_tac (ss addsimps (thm_list @
+                                       comp_simps @ restrict_simps @ hide_simps @
+                                       rename_simps @ ioa_simps @ asig_simps)) (i)]);
 
 *}