--- a/FSet.thy	Sun Dec 06 11:39:34 2009 +0100
+++ b/FSet.thy	Sun Dec 06 13:41:42 2009 +0100
@@ -298,11 +298,11 @@
 
 ML {* val (rty, rel, rel_refl, rel_eqv) = lookup_quot_data @{context} qty *}
 ML {* val (trans2, reps_same, absrep, quot) = lookup_quot_thms @{context} "fset"; *}
-ML {* fun lift_tac_fset lthy t = lift_tac lthy t [rel_eqv] *}
+ML {* fun lift_tac_fset lthy t = lift_tac lthy t *}
 
 lemma "IN x EMPTY = False"
 apply(tactic {* procedure_tac @{context} @{thm m1} 1 *})
-apply(tactic {* regularize_tac @{context} [rel_eqv] 1 *})
+apply(tactic {* regularize_tac @{context} 1 *})
 apply(tactic {* all_inj_repabs_tac @{context} [rel_refl] [trans2] 1 *})
 apply(tactic {* clean_tac @{context} 1*})
 done
@@ -345,7 +345,7 @@
 lemma "\<lbrakk>P EMPTY; \<And>a x. P x \<Longrightarrow> P (INSERT a x)\<rbrakk> \<Longrightarrow> P l"
 apply (tactic {* (ObjectLogic.full_atomize_tac THEN' gen_frees_tac @{context}) 1 *})
 apply(tactic {* procedure_tac @{context} @{thm list.induct} 1 *})
-apply(tactic {* regularize_tac @{context} [rel_eqv] 1 *})
+apply(tactic {* regularize_tac @{context} 1 *})
 defer
 apply(tactic {* clean_tac @{context} 1 *})
 apply(tactic {* inj_repabs_tac_fset @{context} 1*})+
@@ -392,7 +392,7 @@
 
 ML {* val quot = @{thms Quotient_fset Quotient_fset2} *}
 ML {* fun inj_repabs_tac_fset lthy = inj_repabs_tac lthy [rel_refl] [trans2] *}
-ML {* fun lift_tac_fset lthy t = lift_tac lthy t [rel_eqv] *}
+ML {* fun lift_tac_fset lthy t = lift_tac lthy t  *}
 
 lemma "P (x :: 'a fset2) (EMPTY :: 'c fset) \<Longrightarrow> (\<And>e t. P x t \<Longrightarrow> P x (INSERT e t)) \<Longrightarrow> P x l"
 apply (tactic {* lift_tac_fset @{context} @{thm list_induct_part} 1 *})
@@ -426,7 +426,7 @@
   sorry
 
 ML {* val rsp_thms = @{thms list_rec_rsp list_case_rsp} @ rsp_thms *}
-ML {* fun lift_tac_fset lthy t = lift_tac lthy t [rel_eqv] *}
+ML {* fun lift_tac_fset lthy t = lift_tac lthy t *}
 
 lemma "fset_rec (f1::'t) x (INSERT a xa) = x a xa (fset_rec f1 x xa)"
 apply (tactic {* lift_tac_fset @{context} @{thm list.recs(2)} 1 *})