--- a/Nominal/ExCoreHaskell.thy	Wed Mar 24 12:53:39 2010 +0100
+++ b/Nominal/ExCoreHaskell.thy	Wed Mar 24 14:49:51 2010 +0100
@@ -88,8 +88,87 @@
 lemmas fv_supp=tkind_ckind_ty_ty_lst_co_co_lst_trm_assoc_lst_pat_vt_lst_tvtk_lst_tvck_lst.supp(1-9,11,13,15)
 lemmas supp=tkind_ckind_ty_ty_lst_co_co_lst_trm_assoc_lst_pat_vt_lst_tvtk_lst_tvck_lst.fv[simplified fv_supp]
 
+lemma 
+  assumes a01: "\<And>b. P1 b KStar"
+  and a02: "\<And>tkind1 tkind2 b. \<lbrakk>\<And>c. P1 c tkind1; \<And>c. P1 c tkind2\<rbrakk> \<Longrightarrow> P1 b (KFun tkind1 tkind2)"
+  and a03: "\<And>ty1 ty2 b. \<lbrakk>\<And>c. P3 c ty1; \<And>c. P3 c ty2\<rbrakk> \<Longrightarrow> P2 b (CKEq ty1 ty2)"
+  and a04: "\<And>tvar b. P3 b (TVar tvar)"
+  and a05: "\<And>char b. P3 b (TC char)"
+  and a06: "\<And>ty1 ty2 b. \<lbrakk>\<And>c. P3 c ty1; \<And>c. P3 c ty2\<rbrakk> \<Longrightarrow> P3 b (TApp ty1 ty2)"
+  and a07: "\<And>char ty_lst b. \<lbrakk>\<And>c. P4 c ty_lst\<rbrakk> \<Longrightarrow> P3 b (TFun char ty_lst)"
+  and a08: "\<And>tvar tkind ty b. \<lbrakk>\<And>c. P1 c tkind; \<And>c. P3 c ty; atom tvar \<sharp> b\<rbrakk>
+    \<Longrightarrow> P3 b (TAll tvar tkind ty)"
+  and a09: "\<And>ty1 ty2 ty3 b. \<lbrakk>\<And>c. P3 c ty1; \<And>c. P3 c ty2; \<And>c. P3 c ty3\<rbrakk> \<Longrightarrow> P3 b (TEq ty1 ty2 ty3)"
+  and a10: "\<And>b. P4 b TsNil"
+  and a11: "\<And>ty ty_lst b. \<lbrakk>\<And>c. P3 c ty; \<And>c. P4 c ty_lst\<rbrakk> \<Longrightarrow> P4 b (TsCons ty ty_lst)"
+  and a12: "\<And>char b. P5 b (CC char)"
+  and a13: "\<And>co1 co2 b. \<lbrakk>\<And>c. P5 c co1; \<And>c. P5 c co2\<rbrakk> \<Longrightarrow> P5 b (CApp co1 co2)"
+  and a14: "\<And>char co_lst b. \<lbrakk>\<And>c. P6 c co_lst\<rbrakk> \<Longrightarrow> P5 b (CFun char co_lst)"
+  and a15: "\<And>tvar ckind co b. \<lbrakk>\<And>c. P2 c ckind; \<And>c. P5 c co; atom tvar \<sharp> b\<rbrakk>
+    \<Longrightarrow> P5 b (CAll tvar ckind co)"
+  and a16: "\<And>co1 co2 co3 b. \<lbrakk>\<And>c. P5 c co1; \<And>c. P5 c co2; \<And>c. P5 c co3\<rbrakk> \<Longrightarrow> P5 b (CEq co1 co2 co3)"
+  and a17: "\<And>co b. \<lbrakk>\<And>c. P5 c co\<rbrakk> \<Longrightarrow> P5 b (CSym co)"
+  and a18: "\<And>co1 co2 b. \<lbrakk>\<And>c. P5 c co1; \<And>c. P5 c co2\<rbrakk> \<Longrightarrow> P5 b (CCir co1 co2)"
+  and a19: "\<And>co b. \<lbrakk>\<And>c. P5 c co\<rbrakk> \<Longrightarrow> P5 b (CLeft co)"
+  and a20: "\<And>co b. \<lbrakk>\<And>c. P5 c co\<rbrakk> \<Longrightarrow> P5 b (CRight co)"
+  and a21: "\<And>co b. \<lbrakk>\<And>c. P5 c co\<rbrakk> \<Longrightarrow> P5 b (CSim co)"
+  and a22: "\<And>co b. \<lbrakk>\<And>c. P5 c co\<rbrakk> \<Longrightarrow> P5 b (CRightc co)"
+  and a23: "\<And>co b. \<lbrakk>\<And>c. P5 c co\<rbrakk> \<Longrightarrow> P5 b (CLeftc co)"
+  and a24: "\<And>co1 co2 b. \<lbrakk>\<And>c. P5 c co1; \<And>c. P5 c co2\<rbrakk> \<Longrightarrow> P5 b (CCoe co1 co2)"
+  and a25: "\<And>b. P6 b CsNil"
+  and a26: "\<And>co co_lst b. \<lbrakk>\<And>c. P5 c co; \<And>c. P6 c co_lst\<rbrakk> \<Longrightarrow> P6 b (CsCons co co_lst)"
+  and a27: "\<And>var b. P7 b (Var var)"
+  and a28: "\<And>char b. P7 b (C char)"
+  and a29: "\<And>tvar tkind trm b. \<lbrakk>\<And>c. P1 c tkind; \<And>c. P7 c trm; atom tvar \<sharp> b\<rbrakk>
+    \<Longrightarrow> P7 b (LAMT tvar tkind trm)"
+  and a30: "\<And>tvar ckind trm b. \<lbrakk>\<And>c. P2 c ckind; \<And>c. P7 c trm; atom tvar \<sharp> b\<rbrakk>
+    \<Longrightarrow> P7 b (LAMC tvar ckind trm)"
+  and a31: "\<And>trm ty b. \<lbrakk>\<And>c. P7 c trm; \<And>c. P3 c ty\<rbrakk> \<Longrightarrow> P7 b (APP trm ty)"
+  and a32: "\<And>var ty trm b. \<lbrakk>\<And>c. P3 c ty; \<And>c. P7 c trm; atom var \<sharp> b\<rbrakk> \<Longrightarrow> P7 b (Lam var ty trm)"
+  and a33: "\<And>trm1 trm2 b. \<lbrakk>\<And>c. P7 c trm1; \<And>c. P7 c trm2\<rbrakk> \<Longrightarrow> P7 b (App trm1 trm2)"
+  and a34: "\<And>var ty trm1 trm2 b. \<lbrakk>\<And>c. P3 c ty; \<And>c. P7 c trm1; \<And>c. P7 c trm2; atom var \<sharp> b\<rbrakk>
+    \<Longrightarrow> P7 b (Let var ty trm1 trm2)"
+  and a35: "\<And>trm assoc_lst b. \<lbrakk>\<And>c. P7 c trm; \<And>c. P8 c assoc_lst\<rbrakk> \<Longrightarrow> P7 b (Case trm assoc_lst)"
+  and a36: "\<And>trm ty b. \<lbrakk>\<And>c. P7 c trm; \<And>c. P3 c ty\<rbrakk> \<Longrightarrow> P7 b (Cast trm ty)"
+  and a37: "\<And>b. P8 b ANil"
+  and a38: "\<And>pat trm assoc_lst b. \<lbrakk>\<And>c. P9 c pat; \<And>c. P7 c trm; \<And>c. P8 c assoc_lst; bv(pat) \<sharp>* b\<rbrakk>
+    \<Longrightarrow> P8 b (ACons pat trm assoc_lst)"
+  and a39: "\<And>char tvtk_lst tvck_lst vt_lst b. \<lbrakk>\<And>c. P11 c tvtk_lst; \<And>c. P12 c tvck_lst; \<And>c. P10 c vt_lst\<rbrakk>
+    \<Longrightarrow> P9 b (K char tvtk_lst tvck_lst vt_lst)"
+  and a40: "\<And>b. P10 b VTNil"
+  and a41: "\<And>var ty vt_lst b. \<lbrakk>\<And>c. P3 c ty; \<And>c. P10 c vt_lst\<rbrakk> \<Longrightarrow> P10 b (VTCons var ty vt_lst)"
+  and a42: "\<And>b. P11 b TVTKNil"
+  and a43: "\<And>tvar tkind tvtk_lst b. \<lbrakk>\<And>c. P1 c tkind; \<And>c. P11 c tvtk_lst\<rbrakk>
+    \<Longrightarrow> P11 b (TVTKCons tvar tkind tvtk_lst)"
+  and a44: "\<And>b. P12 b TVCKNil"
+  and a45: "\<And>tvar ckind tvck_lst b. \<lbrakk>\<And>c. P2 c ckind; \<And>c. P12 c tvck_lst\<rbrakk>
+    \<Longrightarrow> P12 b (TVCKCons tvar ckind tvck_lst)"
+  shows "P1 (a :: 'a :: pt) tkind \<and>
+         P2 (b :: 'b :: pt) ckind \<and>
+         P3 (c :: 'c :: pt) ty \<and>
+         P4 (d :: 'd :: pt) ty_lst \<and>
+         P5 (e :: 'e :: pt) co \<and>
+         P6 (f :: 'f :: pt) co_lst \<and>
+         P7 (g :: 'g :: pt) trm \<and>
+         P8 (h :: 'h :: pt) assoc_lst \<and>
+         P9 (i :: 'i :: pt) pat \<and>
+         P10 (j :: 'j :: pt) vt_lst \<and>
+         P11 (k :: 'k :: pt) tvtk_lst \<and>
+         P12 (l :: 'l :: pt) tvck_lst"
+proof -
+  have a: "(\<forall>p a. P1 a (p \<bullet> tkind)) \<and> (\<forall>p b. P2 b (p \<bullet> ckind)) \<and> (\<forall>p c. P3 c (p \<bullet> ty)) \<and> (\<forall>p d. P4 d (p \<bullet> ty_lst)) \<and> (\<forall>p e. P5 e (p \<bullet> co)) \<and> (\<forall>p f. P6 f (p \<bullet> co_lst)) \<and> (\<forall>p g. P7 g (p \<bullet> trm)) \<and> (\<forall>p h. P8 h (p \<bullet> assoc_lst)) \<and> (\<forall>p i. P9 i (p \<bullet> pat)) \<and> (\<forall>p j. P10 j (p \<bullet> vt_lst)) \<and> (\<forall>p k. P11 k (p \<bullet> tvtk_lst)) \<and> (\<forall>p l. P12 l (p \<bullet> tvck_lst))"
+    apply (rule tkind_ckind_ty_ty_lst_co_co_lst_trm_assoc_lst_pat_vt_lst_tvtk_lst_tvck_lst.induct)
+    apply (tactic {* ALLGOALS (REPEAT o rtac allI) *})
+    apply (tactic {* ALLGOALS (TRY o SOLVED' (simp_tac @{simpset} THEN_ALL_NEW resolve_tac @{thms assms} THEN_ALL_NEW asm_full_simp_tac @{simpset})) *})
+    sorry
+  have g1: "P1 a (0 \<bullet> tkind)" using a[THEN conjunct1] by blast
+  have g2: "P2 b (0 \<bullet> ckind)" using a[THEN conjunct2,THEN conjunct1] by blast
+  have g3: "P3 c (0 \<bullet> ty) \<and>
+        P4 d (0 \<bullet> ty_lst) \<and> P5 e (0 \<bullet> co) \<and> P6 f (0 \<bullet> co_lst) \<and>
+        P7 g (0 \<bullet> trm) \<and> P8 h (0 \<bullet> assoc_lst) \<and> P9 i (0 \<bullet> pat) \<and>
+        P10 j (0 \<bullet> vt_lst) \<and> P11 k (0 \<bullet> tvtk_lst) \<and> P12 l (0 \<bullet> tvck_lst)" using a by blast
+  show ?thesis using g1 g2 g3 by simp
+qed
 
 end
 
-
-

--- a/Nominal/Nominal2_Supp.thy	Wed Mar 24 12:53:39 2010 +0100
+++ b/Nominal/Nominal2_Supp.thy	Wed Mar 24 14:49:51 2010 +0100
@@ -483,4 +483,19 @@
 apply(auto simp add: fresh_star_def fresh_def)
 done
 
+lemma at_set_avoiding2_atom:
+  assumes "finite (supp c)" "finite (supp x)"
+  and     b: "xa \<sharp> x"
+  shows "\<exists>p. (p \<bullet> xa) \<sharp> c \<and> supp x \<sharp>* p"
+proof -
+  have a: "{xa} \<sharp>* x" unfolding fresh_star_def by (simp add: b)
+  obtain p where p1: "(p \<bullet> {xa}) \<sharp>* c" and p2: "supp x \<sharp>* p"
+    using at_set_avoiding2[of "{xa}" "c" "x"] assms a by blast
+  have c: "(p \<bullet> xa) \<sharp> c" using p1
+    unfolding fresh_star_def Ball_def 
+    by (erule_tac x="p \<bullet> xa" in allE) (simp add: eqvts)
+  hence "p \<bullet> xa \<sharp> c \<and> supp x \<sharp>* p" using p2 by blast
+  then show ?thesis by blast
+qed
+
 end