
diff -r 77ff9624cfd6 -r 264c7b9d19f4 QuotMain.thy
--- a/QuotMain.thy	Mon Nov 02 09:33:48 2009 +0100
+++ b/QuotMain.thy	Mon Nov 02 09:39:29 2009 +0100
@@ -506,6 +506,10 @@
          else
            Const (@{const_name "Ex"}, ty) $ apply_subt (my_reg lthy rel rty) t
        end
+  | Const (@{const_name "op ="}, ty) $ t =>
+      if needs_lift rty (fastype_of t) then
+        (tyRel (fastype_of t) rty rel lthy) $ t
+      else Const (@{const_name "op ="}, ty) $ (my_reg lthy rel rty t)
   | t1 $ t2 => (my_reg lthy rel rty t1) $ (my_reg lthy rel rty t2)
   | _ => trm
 *}
@@ -518,16 +522,32 @@
        (my_reg lthy rel rty (prop_of thm)))
 *}
 
+lemma universal_twice: "(\<And>x. (P x \<longrightarrow> Q x)) \<Longrightarrow> ((\<forall>x. P x) \<longrightarrow> (\<forall>x. Q x))"
+apply (auto)
+done
+
+lemma implication_twice: "(c \<longrightarrow> a) \<Longrightarrow> (a \<Longrightarrow> b \<longrightarrow> d) \<Longrightarrow> (a \<longrightarrow> b) \<longrightarrow> (c \<longrightarrow> d)"
+apply (auto)
+done
+
 ML {*
-fun regularize thm rty rel rel_eqv lthy =
+fun regularize thm rty rel rel_eqv rel_refl lthy =
   let
     val g = build_regularize_goal thm rty rel lthy;
     fun tac ctxt =
-       (asm_full_simp_tac ((Simplifier.context ctxt HOL_ss) addsimps
+      (ObjectLogic.full_atomize_tac) THEN'
+     REPEAT_ALL_NEW (FIRST' [
+      rtac rel_refl,
+      atac,
+      rtac @{thm universal_twice},
+      (rtac @{thm impI} THEN' atac),
+      rtac @{thm implication_twice},
+      EqSubst.eqsubst_tac ctxt [0]
         [(@{thm equiv_res_forall} OF [rel_eqv]),
-         (@{thm equiv_res_exists} OF [rel_eqv])])) THEN_ALL_NEW
-         (((rtac @{thm RIGHT_RES_FORALL_REGULAR}) THEN' (RANGE [fn _ => all_tac, atac]) THEN'
-         (MetisTools.metis_tac ctxt [])) ORELSE' (MetisTools.metis_tac ctxt []));
+         (@{thm equiv_res_exists} OF [rel_eqv])],
+      (rtac @{thm impI} THEN' (asm_full_simp_tac (Simplifier.context ctxt HOL_ss)) THEN' rtac rel_refl),
+      (rtac @{thm RIGHT_RES_FORALL_REGULAR})
+     ]);
     val cthm = Goal.prove lthy [] [] g (fn x => tac (#context x) 1);
   in
     cthm OF [thm]
@@ -551,14 +571,10 @@
      )
 *}
 
-ML {* make_const_def *}
-
 ML {*
 fun old_get_fun flag rty qty lthy ty =
   get_fun flag [(qty, rty)] lthy ty 
-*}
 
-ML {*
 fun old_make_const_def nconst_bname otrm mx rty qty lthy =
   make_const_def nconst_bname otrm mx [(qty, rty)] lthy
 *}
@@ -838,26 +854,25 @@
       Abs(_, T, b) =>
         findaps_all rty (subst_bound ((Free ("x", T)), b))
     | (f $ a) => (findaps_all rty f @ findaps_all rty a)
-    | Free (_, (T as (Type (_, (_ :: _))))) => (if needs_lift rty T then [T] else [])
+    | Free (_, (T as (Type ("fun", (_ :: _))))) => (if needs_lift rty T then [T] else [])
     | _ => [];
   fun findaps rty tm = distinct (op =) (findaps_all rty tm)
 *}
 
 ML {*
-fun make_simp_lam_prs_thm lthy quot_thm typ =
+fun make_simp_prs_thm lthy quot_thm thm typ =
   let
     val (_, [lty, rty]) = dest_Type typ;
     val thy = ProofContext.theory_of lthy;
     val (lcty, rcty) = (ctyp_of thy lty, ctyp_of thy rty)
     val inst = [SOME lcty, NONE, SOME rcty];
-    val lpi = Drule.instantiate' inst [] @{thm LAMBDA_PRS};
+    val lpi = Drule.instantiate' inst [] thm;
     val tac =
-      (compose_tac (false, @{thm LAMBDA_PRS}, 2)) THEN_ALL_NEW
+      (compose_tac (false, lpi, 2)) THEN_ALL_NEW
       (quotient_tac quot_thm);
     val t = Goal.prove lthy [] [] (concl_of lpi) (fn _ => tac 1);
-    val ts = @{thm HOL.sym} OF [t]
   in
-    MetaSimplifier.rewrite_rule [@{thm eq_reflection} OF @{thms id_apply}] ts
+    MetaSimplifier.rewrite_rule [@{thm eq_reflection} OF @{thms id_apply}] t
   end
 *}
 
@@ -916,11 +931,13 @@
   val (trans2, reps_same, quot) = lookup_quot_thms lthy qty_name;
   val consts = lookup_quot_consts defs;
   val t_a = atomize_thm t;
-  val t_r = regularize t_a rty rel rel_eqv lthy;
+  val t_r = regularize t_a rty rel rel_eqv rel_refl lthy;
   val t_t = repabs lthy t_r consts rty qty quot rel_refl trans2 rsp_thms;
   val abs = findabs rty (prop_of t_a);
-  val simp_lam_prs_thms = map (make_simp_lam_prs_thm lthy quot) abs;
-  val t_l = repeat_eqsubst_thm lthy simp_lam_prs_thms t_t;
+  val aps = findaps rty (prop_of t_a);
+  val app_prs_thms = map (make_simp_prs_thm lthy quot @{thm APP_PRS}) aps;
+  val lam_prs_thms = map (make_simp_prs_thm lthy quot @{thm LAMBDA_PRS}) abs;
+  val t_l = repeat_eqsubst_thm lthy (lam_prs_thms @ app_prs_thms) t_t;
   val t_a = simp_allex_prs lthy quot t_l;
   val defs_sym = add_lower_defs lthy defs;
   val t_d = repeat_eqsubst_thm lthy defs_sym t_a;




