--- a/src/HOL/Auth/Event.ML Fri Mar 06 18:25:28 1998 +0100
+++ b/src/HOL/Auth/Event.ML Sat Mar 07 16:29:29 1998 +0100
@@ -46,22 +46,20 @@
qed "spies_subset_spies_Says";
goal thy "spies evs <= spies (Notes A X # evs)";
-by (simp_tac (simpset() addsplits [expand_if]) 1);
+by (Simp_tac 1);
by (Fast_tac 1);
qed "spies_subset_spies_Notes";
(*Spy sees all traffic*)
goal thy "Says A B X : set evs --> X : spies evs";
by (induct_tac "evs" 1);
-by (ALLGOALS (asm_simp_tac
- (simpset() addsplits [expand_event_case, expand_if])));
+by (ALLGOALS (asm_simp_tac (simpset() addsplits [expand_event_case])));
qed_spec_mp "Says_imp_spies";
(*Spy sees Notes of bad agents*)
goal thy "Notes A X : set evs --> A: bad --> X : spies evs";
by (induct_tac "evs" 1);
-by (ALLGOALS (asm_simp_tac
- (simpset() addsplits [expand_event_case, expand_if])));
+by (ALLGOALS (asm_simp_tac (simpset() addsplits [expand_event_case])));
qed_spec_mp "Notes_imp_spies";
(*Use with addSEs to derive contradictions from old Says events containing
@@ -80,7 +78,7 @@
by (induct_tac "evs" 1);
by (ALLGOALS (asm_simp_tac
(simpset() addsimps [parts_insert_spies]
- addsplits [expand_event_case, expand_if])));
+ addsplits [expand_event_case])));
by (ALLGOALS Blast_tac);
qed "parts_spies_subset_used";
@@ -91,7 +89,7 @@
by (induct_tac "evs" 1);
by (ALLGOALS (asm_simp_tac
(simpset() addsimps [parts_insert_spies]
- addsplits [expand_event_case, expand_if])));
+ addsplits [expand_event_case])));
by (ALLGOALS Blast_tac);
bind_thm ("initState_into_used", impOfSubs (result()));