src/HOL/BNF/Tools/bnf_gfp.ML
author traytel
Sun Jul 07 10:24:00 2013 +0200 (2013-07-07)
changeset 52545 d2ad6eae514f
parent 52505 e62f3fd2035e
child 52634 7c4b56bac189
permissions -rw-r--r--
Func -> Func_option, Ffunc -> Func (avoids dependence of codatatypes on the option type)
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(*  Title:      HOL/BNF/Tools/bnf_gfp.ML
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    Author:     Dmitriy Traytel, TU Muenchen
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    Author:     Andrei Popescu, TU Muenchen
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    Author:     Jasmin Blanchette, TU Muenchen
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    Copyright   2012
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Codatatype construction.
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*)
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signature BNF_GFP =
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sig
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  val construct_gfp: mixfix list -> binding list -> binding list -> binding list list ->
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    binding list -> (string * sort) list -> typ list * typ list list -> BNF_Def.bnf list ->
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    local_theory -> BNF_FP_Util.fp_result * local_theory
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end;
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structure BNF_GFP : BNF_GFP =
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struct
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open BNF_Def
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open BNF_Util
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open BNF_Tactics
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open BNF_Comp
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open BNF_FP_Util
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open BNF_FP_Def_Sugar
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open BNF_GFP_Util
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open BNF_GFP_Tactics
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datatype wit_tree = Wit_Leaf of int | Wit_Node of (int * int * int list) * wit_tree list;
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fun mk_tree_args (I, T) (I', Ts) = (sort_distinct int_ord (I @ I'), T :: Ts);
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fun finish Iss m seen i (nwit, I) =
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  let
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    val treess = map (fn j =>
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        if j < m orelse member (op =) seen j then [([j], Wit_Leaf j)]
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        else
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          map_index (finish Iss m (insert (op =) j seen) j) (nth Iss (j - m))
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          |> flat
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          |> minimize_wits)
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      I;
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  in
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    map (fn (I, t) => (I, Wit_Node ((i - m, nwit, filter (fn i => i < m) I), t)))
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      (fold_rev (map_product mk_tree_args) treess [([], [])])
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    |> minimize_wits
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  end;
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fun tree_to_ctor_wit vars _ _ (Wit_Leaf j) = ([j], nth vars j)
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  | tree_to_ctor_wit vars ctors witss (Wit_Node ((i, nwit, I), subtrees)) =
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     (I, nth ctors i $ (Term.list_comb (snd (nth (nth witss i) nwit),
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       map (snd o tree_to_ctor_wit vars ctors witss) subtrees)));
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fun tree_to_coind_wits _ (Wit_Leaf _) = []
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  | tree_to_coind_wits lwitss (Wit_Node ((i, nwit, I), subtrees)) =
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     ((i, I), nth (nth lwitss i) nwit) :: maps (tree_to_coind_wits lwitss) subtrees;
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(*all BNFs have the same lives*)
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fun construct_gfp mixfixes map_bs rel_bs set_bss bs resBs (resDs, Dss) bnfs lthy =
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  let
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    val timer = time (Timer.startRealTimer ());
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    val live = live_of_bnf (hd bnfs);
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    val n = length bnfs; (*active*)
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    val ks = 1 upto n;
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    val m = live - n (*passive, if 0 don't generate a new BNF*);
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    val ls = 1 upto m;
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    val b = Binding.name (mk_common_name (map Binding.name_of bs));
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    (* TODO: check if m, n, etc., are sane *)
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    val deads = fold (union (op =)) Dss resDs;
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    val names_lthy = fold Variable.declare_typ deads lthy;
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    (* tvars *)
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    val ((((((((passiveAs, activeAs), allAs)), (passiveBs, activeBs)),
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      (passiveCs, activeCs)), passiveXs), passiveYs), idxT) = names_lthy
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      |> mk_TFrees live
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      |> apfst (`(chop m))
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      ||> mk_TFrees live
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      ||>> apfst (chop m)
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      ||> mk_TFrees live
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      ||>> apfst (chop m)
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      ||>> mk_TFrees m
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      ||>> mk_TFrees m
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      ||> fst o mk_TFrees 1
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      ||> the_single;
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    val Ass = replicate n allAs;
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    val allBs = passiveAs @ activeBs;
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    val Bss = replicate n allBs;
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    val allCs = passiveAs @ activeCs;
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    val allCs' = passiveBs @ activeCs;
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    val Css' = replicate n allCs';
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    (* types *)
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    val dead_poss =
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      map (fn T => if member (op =) deads (TFree T) then SOME (TFree T) else NONE) resBs;
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    fun mk_param NONE passive = (hd passive, tl passive)
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      | mk_param (SOME a) passive = (a, passive);
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    val mk_params = fold_map mk_param dead_poss #> fst;
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    fun mk_FTs Ts = map2 (fn Ds => mk_T_of_bnf Ds Ts) Dss bnfs;
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    val (params, params') = `(map Term.dest_TFree) (mk_params passiveAs);
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    val (dead_params, dead_params') = `(map Term.dest_TFree) (subtract (op =) passiveAs params');
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    val FTsAs = mk_FTs allAs;
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    val FTsBs = mk_FTs allBs;
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    val FTsCs = mk_FTs allCs;
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    val ATs = map HOLogic.mk_setT passiveAs;
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    val BTs = map HOLogic.mk_setT activeAs;
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    val B'Ts = map HOLogic.mk_setT activeBs;
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    val B''Ts = map HOLogic.mk_setT activeCs;
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    val sTs = map2 (fn T => fn U => T --> U) activeAs FTsAs;
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    val s'Ts = map2 (fn T => fn U => T --> U) activeBs FTsBs;
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    val s''Ts = map2 (fn T => fn U => T --> U) activeCs FTsCs;
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    val fTs = map2 (fn T => fn U => T --> U) activeAs activeBs;
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    val self_fTs = map (fn T => T --> T) activeAs;
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    val gTs = map2 (fn T => fn U => T --> U) activeBs activeCs;
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    val all_gTs = map2 (fn T => fn U => T --> U) allBs allCs';
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    val RTs = map2 (fn T => fn U => HOLogic.mk_prodT (T, U)) activeAs activeBs;
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    val sRTs = map2 (fn T => fn U => HOLogic.mk_prodT (T, U)) activeAs activeAs;
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    val R'Ts = map2 (fn T => fn U => HOLogic.mk_prodT (T, U)) activeBs activeCs;
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    val setsRTs = map HOLogic.mk_setT sRTs;
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    val setRTs = map HOLogic.mk_setT RTs;
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    val all_sbisT = HOLogic.mk_tupleT setsRTs;
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    val setR'Ts = map HOLogic.mk_setT R'Ts;
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    val FRTs = mk_FTs (passiveAs @ RTs);
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    val sumBsAs = map2 (curry mk_sumT) activeBs activeAs;
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    val sumFTs = mk_FTs (passiveAs @ sumBsAs);
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    val sum_sTs = map2 (fn T => fn U => T --> U) activeAs sumFTs;
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    (* terms *)
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    val mapsAsAs = map4 mk_map_of_bnf Dss Ass Ass bnfs;
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    val mapsAsBs = map4 mk_map_of_bnf Dss Ass Bss bnfs;
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    val mapsBsCs' = map4 mk_map_of_bnf Dss Bss Css' bnfs;
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    val mapsAsCs' = map4 mk_map_of_bnf Dss Ass Css' bnfs;
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    val map_Inls = map4 mk_map_of_bnf Dss Bss (replicate n (passiveAs @ sumBsAs)) bnfs;
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    val map_Inls_rev = map4 mk_map_of_bnf Dss (replicate n (passiveAs @ sumBsAs)) Bss bnfs;
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    val map_fsts = map4 mk_map_of_bnf Dss (replicate n (passiveAs @ RTs)) Ass bnfs;
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    val map_snds = map4 mk_map_of_bnf Dss (replicate n (passiveAs @ RTs)) Bss bnfs;
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    fun mk_setss Ts = map3 mk_sets_of_bnf (map (replicate live) Dss)
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      (map (replicate live) (replicate n Ts)) bnfs;
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    val setssAs = mk_setss allAs;
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    val setssAs' = transpose setssAs;
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    val bis_setss = mk_setss (passiveAs @ RTs);
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    val relsAsBs = map4 mk_rel_of_bnf Dss Ass Bss bnfs;
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    val bds = map3 mk_bd_of_bnf Dss Ass bnfs;
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    val sum_bd = Library.foldr1 (uncurry mk_csum) bds;
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    val sum_bdT = fst (dest_relT (fastype_of sum_bd));
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    val emptys = map (fn T => HOLogic.mk_set T []) passiveAs;
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    val Zeros = map (fn empty =>
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     HOLogic.mk_tuple (map (fn U => absdummy U empty) activeAs)) emptys;
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    val hrecTs = map fastype_of Zeros;
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    val hsetTs = map (fn hrecT => Library.foldr (op -->) (sTs, HOLogic.natT --> hrecT)) hrecTs;
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    val (((((((((((((((((((((((((((((((((((zs, zs'), zs_copy), zs_copy2),
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      z's), As), As_copy), Bs), Bs_copy), B's), B''s), ss), sum_ss), s's), s''s), fs), fs_copy),
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      self_fs), gs), all_gs), xFs), yFs), yFs_copy), RFs), (Rtuple, Rtuple')), (hrecs, hrecs')),
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      (nat, nat')), Rs), Rs_copy), R's), sRs), (idx, idx')), Idx), Ris), Kss), names_lthy) = lthy
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      |> mk_Frees' "b" activeAs
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      ||>> mk_Frees "b" activeAs
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      ||>> mk_Frees "b" activeAs
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      ||>> mk_Frees "b" activeBs
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      ||>> mk_Frees "A" ATs
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      ||>> mk_Frees "A" ATs
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      ||>> mk_Frees "B" BTs
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      ||>> mk_Frees "B" BTs
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      ||>> mk_Frees "B'" B'Ts
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      ||>> mk_Frees "B''" B''Ts
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      ||>> mk_Frees "s" sTs
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      ||>> mk_Frees "sums" sum_sTs
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      ||>> mk_Frees "s'" s'Ts
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      ||>> mk_Frees "s''" s''Ts
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      ||>> mk_Frees "f" fTs
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      ||>> mk_Frees "f" fTs
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      ||>> mk_Frees "f" self_fTs
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      ||>> mk_Frees "g" gTs
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      ||>> mk_Frees "g" all_gTs
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      ||>> mk_Frees "x" FTsAs
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      ||>> mk_Frees "y" FTsBs
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      ||>> mk_Frees "y" FTsBs
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      ||>> mk_Frees "x" FRTs
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      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "Rtuple") all_sbisT
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      ||>> mk_Frees' "rec" hrecTs
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      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "n") HOLogic.natT
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      ||>> mk_Frees "R" setRTs
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      ||>> mk_Frees "R" setRTs
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      ||>> mk_Frees "R'" setR'Ts
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      ||>> mk_Frees "R" setsRTs
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      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "i") idxT
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      ||>> yield_singleton (mk_Frees "I") (HOLogic.mk_setT idxT)
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      ||>> mk_Frees "Ri" (map (fn T => idxT --> T) setRTs)
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      ||>> mk_Freess "K" (map (fn AT => map (fn T => T --> AT) activeAs) ATs);
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    val passive_UNIVs = map HOLogic.mk_UNIV passiveAs;
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    val passive_Id_ons = map mk_Id_on As;
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    val active_UNIVs = map HOLogic.mk_UNIV activeAs;
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    val sum_UNIVs = map HOLogic.mk_UNIV sumBsAs;
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    val passive_ids = map HOLogic.id_const passiveAs;
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    val active_ids = map HOLogic.id_const activeAs;
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    val Inls = map2 Inl_const activeBs activeAs;
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    val fsts = map fst_const RTs;
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    val snds = map snd_const RTs;
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    (* thms *)
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    val bd_card_orders = map bd_card_order_of_bnf bnfs;
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    val bd_card_order = hd bd_card_orders
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    val bd_Card_orders = map bd_Card_order_of_bnf bnfs;
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    val bd_Card_order = hd bd_Card_orders;
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    val bd_Cinfinites = map bd_Cinfinite_of_bnf bnfs;
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    val bd_Cinfinite = hd bd_Cinfinites;
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    val bd_Cnotzeros = map bd_Cnotzero_of_bnf bnfs;
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    val bd_Cnotzero = hd bd_Cnotzeros;
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    val in_bds = map in_bd_of_bnf bnfs;
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    val in_monos = map in_mono_of_bnf bnfs;
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    val map_comps = map map_comp_of_bnf bnfs;
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    val sym_map_comps = map (fn thm => thm RS sym) map_comps;
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    val map_comp's = map map_comp'_of_bnf bnfs;
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    val map_cong0s = map map_cong0_of_bnf bnfs;
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    val map_ids = map map_id_of_bnf bnfs;
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    val map_id's = map map_id'_of_bnf bnfs;
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    val map_wpulls = map map_wpull_of_bnf bnfs;
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    val set_bdss = map set_bd_of_bnf bnfs;
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    val set_map'ss = map set_map'_of_bnf bnfs;
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    val rel_congs = map rel_cong_of_bnf bnfs;
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    val rel_converseps = map rel_conversep_of_bnf bnfs;
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    val rel_Grps = map rel_Grp_of_bnf bnfs;
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    val rel_eqs = map rel_eq_of_bnf bnfs;
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    val rel_monos = map rel_mono_of_bnf bnfs;
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    val rel_OOs = map rel_OO_of_bnf bnfs;
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    val rel_OO_Grps = map rel_OO_Grp_of_bnf bnfs;
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    val timer = time (timer "Extracted terms & thms");
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    (* derived thms *)
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    (*map g1 ... gm g(m+1) ... g(m+n) (map id ... id f(m+1) ... f(m+n) x)=
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      map g1 ... gm (g(m+1) o f(m+1)) ... (g(m+n) o f(m+n)) x*)
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    fun mk_map_comp_id x mapAsBs mapBsCs mapAsCs map_comp =
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      let
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        val lhs = Term.list_comb (mapBsCs, all_gs) $
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          (Term.list_comb (mapAsBs, passive_ids @ fs) $ x);
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        val rhs =
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          Term.list_comb (mapAsCs, take m all_gs @ map HOLogic.mk_comp (drop m all_gs ~~ fs)) $ x;
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      in
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        Goal.prove_sorry lthy [] []
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          (fold_rev Logic.all (x :: fs @ all_gs) (mk_Trueprop_eq (lhs, rhs)))
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          (K (mk_map_comp_id_tac map_comp))
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        |> Thm.close_derivation
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      end;
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    val map_comp_id_thms = map5 mk_map_comp_id xFs mapsAsBs mapsBsCs' mapsAsCs' map_comp's;
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    (*forall a : set(m+1) x. f(m+1) a = a; ...; forall a : set(m+n) x. f(m+n) a = a ==>
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      map id ... id f(m+1) ... f(m+n) x = x*)
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    fun mk_map_cong0L x mapAsAs sets map_cong0 map_id' =
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      let
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        fun mk_prem set f z z' =
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          HOLogic.mk_Trueprop
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            (mk_Ball (set $ x) (Term.absfree z' (HOLogic.mk_eq (f $ z, z))));
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        val prems = map4 mk_prem (drop m sets) self_fs zs zs';
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        val goal = mk_Trueprop_eq (Term.list_comb (mapAsAs, passive_ids @ self_fs) $ x, x);
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      in
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        Goal.prove_sorry lthy [] []
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          (fold_rev Logic.all (x :: self_fs) (Logic.list_implies (prems, goal)))
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          (K (mk_map_cong0L_tac m map_cong0 map_id'))
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        |> Thm.close_derivation
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   268
      end;
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   269
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   270
    val map_cong0L_thms = map5 mk_map_cong0L xFs mapsAsAs setssAs map_cong0s map_id's;
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   271
    val in_mono'_thms = map (fn thm =>
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   272
      (thm OF (replicate m subset_refl)) RS @{thm set_mp}) in_monos;
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   273
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   274
    val map_arg_cong_thms =
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   275
      let
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   276
        val prems = map2 (curry mk_Trueprop_eq) yFs yFs_copy;
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   277
        val maps = map (fn mapx => Term.list_comb (mapx, all_gs)) mapsBsCs';
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   278
        val concls =
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   279
          map3 (fn x => fn y => fn mapx => mk_Trueprop_eq (mapx $ x, mapx $ y)) yFs yFs_copy maps;
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   280
        val goals =
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   281
          map4 (fn prem => fn concl => fn x => fn y =>
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   282
            fold_rev Logic.all (x :: y :: all_gs) (Logic.mk_implies (prem, concl)))
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   283
          prems concls yFs yFs_copy;
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   284
      in
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   285
        map (fn goal => Goal.prove_sorry lthy [] [] goal
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   286
          (K ((hyp_subst_tac lthy THEN' rtac refl) 1)) |> Thm.close_derivation) goals
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   287
      end;
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   288
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   289
    val timer = time (timer "Derived simple theorems");
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   290
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   291
    (* coalgebra *)
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   292
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   293
    val coalg_bind = Binding.suffix_name ("_" ^ coN ^ algN) b;
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   294
    val coalg_name = Binding.name_of coalg_bind;
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   295
    val coalg_def_bind = (Thm.def_binding coalg_bind, []);
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   296
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   297
    (*forall i = 1 ... n: (\<forall>x \<in> Bi. si \<in> Fi_in A1 .. Am B1 ... Bn)*)
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   298
    val coalg_spec =
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   299
      let
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   300
        val coalgT = Library.foldr (op -->) (ATs @ BTs @ sTs, HOLogic.boolT);
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   301
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   302
        val ins = map3 mk_in (replicate n (As @ Bs)) setssAs FTsAs;
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   303
        fun mk_coalg_conjunct B s X z z' =
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   304
          mk_Ball B (Term.absfree z' (HOLogic.mk_mem (s $ z, X)));
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   305
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   306
        val lhs = Term.list_comb (Free (coalg_name, coalgT), As @ Bs @ ss);
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   307
        val rhs = Library.foldr1 HOLogic.mk_conj (map5 mk_coalg_conjunct Bs ss ins zs zs')
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   308
      in
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   309
        mk_Trueprop_eq (lhs, rhs)
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   310
      end;
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   311
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   312
    val ((coalg_free, (_, coalg_def_free)), (lthy, lthy_old)) =
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   313
      lthy
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   314
      |> Specification.definition (SOME (coalg_bind, NONE, NoSyn), (coalg_def_bind, coalg_spec))
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   315
      ||> `Local_Theory.restore;
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   316
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   317
    val phi = Proof_Context.export_morphism lthy_old lthy;
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   318
    val coalg = fst (Term.dest_Const (Morphism.term phi coalg_free));
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   319
    val coalg_def = Morphism.thm phi coalg_def_free;
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   320
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   321
    fun mk_coalg As Bs ss =
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   322
      let
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   323
        val args = As @ Bs @ ss;
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   324
        val Ts = map fastype_of args;
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   325
        val coalgT = Library.foldr (op -->) (Ts, HOLogic.boolT);
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   326
      in
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   327
        Term.list_comb (Const (coalg, coalgT), args)
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   328
      end;
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   329
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   330
    val coalg_prem = HOLogic.mk_Trueprop (mk_coalg As Bs ss);
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   331
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   332
    val coalg_in_thms = map (fn i =>
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   333
      coalg_def RS @{thm subst[of _ _ "%x. x"]} RS mk_conjunctN n i RS bspec) ks
blanchet@48975
   334
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   335
    val coalg_set_thmss =
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   336
      let
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   337
        val coalg_prem = HOLogic.mk_Trueprop (mk_coalg As Bs ss);
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   338
        fun mk_prem x B = HOLogic.mk_Trueprop (HOLogic.mk_mem (x, B));
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   339
        fun mk_concl s x B set = HOLogic.mk_Trueprop (mk_leq (set $ (s $ x)) B);
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   340
        val prems = map2 mk_prem zs Bs;
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   341
        val conclss = map3 (fn s => fn x => fn sets => map2 (mk_concl s x) (As @ Bs) sets)
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   342
          ss zs setssAs;
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   343
        val goalss = map3 (fn x => fn prem => fn concls => map (fn concl =>
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   344
          fold_rev Logic.all (x :: As @ Bs @ ss)
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   345
            (Logic.list_implies (coalg_prem :: [prem], concl))) concls) zs prems conclss;
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   346
      in
wenzelm@51551
   347
        map (fn goals => map (fn goal => Goal.prove_sorry lthy [] [] goal
traytel@49109
   348
          (K (mk_coalg_set_tac coalg_def)) |> Thm.close_derivation) goals) goalss
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   349
      end;
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   350
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   351
    val coalg_set_thmss' = transpose coalg_set_thmss;
blanchet@48975
   352
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   353
    fun mk_tcoalg ATs BTs = mk_coalg (map HOLogic.mk_UNIV ATs) (map HOLogic.mk_UNIV BTs);
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   354
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   355
    val tcoalg_thm =
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   356
      let
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   357
        val goal = fold_rev Logic.all ss
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   358
          (HOLogic.mk_Trueprop (mk_tcoalg passiveAs activeAs ss))
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   359
      in
wenzelm@51551
   360
        Goal.prove_sorry lthy [] [] goal
blanchet@48975
   361
          (K (stac coalg_def 1 THEN CONJ_WRAP
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   362
            (K (EVERY' [rtac ballI, rtac CollectI,
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   363
              CONJ_WRAP' (K (EVERY' [rtac @{thm subset_UNIV}])) allAs] 1)) ss))
traytel@49109
   364
        |> Thm.close_derivation
blanchet@48975
   365
      end;
blanchet@48975
   366
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   367
    val timer = time (timer "Coalgebra definition & thms");
blanchet@48975
   368
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   369
    (* morphism *)
blanchet@48975
   370
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   371
    val mor_bind = Binding.suffix_name ("_" ^ morN) b;
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   372
    val mor_name = Binding.name_of mor_bind;
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   373
    val mor_def_bind = (Thm.def_binding mor_bind, []);
blanchet@48975
   374
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   375
    (*fbetw) forall i = 1 ... n: (\<forall>x \<in> Bi. fi x \<in> B'i)*)
blanchet@48975
   376
    (*mor) forall i = 1 ... n: (\<forall>x \<in> Bi.
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   377
       Fi_map id ... id f1 ... fn (si x) = si' (fi x)*)
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   378
    val mor_spec =
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   379
      let
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   380
        val morT = Library.foldr (op -->) (BTs @ sTs @ B'Ts @ s'Ts @ fTs, HOLogic.boolT);
blanchet@48975
   381
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   382
        fun mk_fbetw f B1 B2 z z' =
blanchet@48975
   383
          mk_Ball B1 (Term.absfree z' (HOLogic.mk_mem (f $ z, B2)));
blanchet@48975
   384
        fun mk_mor B mapAsBs f s s' z z' =
blanchet@48975
   385
          mk_Ball B (Term.absfree z' (HOLogic.mk_eq
blanchet@48975
   386
            (Term.list_comb (mapAsBs, passive_ids @ fs @ [s $ z]), s' $ (f $ z))));
blanchet@48975
   387
        val lhs = Term.list_comb (Free (mor_name, morT), Bs @ ss @ B's @ s's @ fs);
blanchet@48975
   388
        val rhs = HOLogic.mk_conj
blanchet@48975
   389
          (Library.foldr1 HOLogic.mk_conj (map5 mk_fbetw fs Bs B's zs zs'),
blanchet@48975
   390
           Library.foldr1 HOLogic.mk_conj (map7 mk_mor Bs mapsAsBs fs ss s's zs zs'))
blanchet@48975
   391
      in
blanchet@49123
   392
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
   393
      end;
blanchet@48975
   394
blanchet@48975
   395
    val ((mor_free, (_, mor_def_free)), (lthy, lthy_old)) =
blanchet@49311
   396
      lthy
blanchet@49311
   397
      |> Specification.definition (SOME (mor_bind, NONE, NoSyn), (mor_def_bind, mor_spec))
blanchet@49311
   398
      ||> `Local_Theory.restore;
blanchet@49311
   399
blanchet@48975
   400
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
   401
    val mor = fst (Term.dest_Const (Morphism.term phi mor_free));
blanchet@48975
   402
    val mor_def = Morphism.thm phi mor_def_free;
blanchet@48975
   403
blanchet@48975
   404
    fun mk_mor Bs1 ss1 Bs2 ss2 fs =
blanchet@48975
   405
      let
blanchet@48975
   406
        val args = Bs1 @ ss1 @ Bs2 @ ss2 @ fs;
blanchet@48975
   407
        val Ts = map fastype_of (Bs1 @ ss1 @ Bs2 @ ss2 @ fs);
blanchet@48975
   408
        val morT = Library.foldr (op -->) (Ts, HOLogic.boolT);
blanchet@48975
   409
      in
blanchet@48975
   410
        Term.list_comb (Const (mor, morT), args)
blanchet@48975
   411
      end;
blanchet@48975
   412
blanchet@48975
   413
    val mor_prem = HOLogic.mk_Trueprop (mk_mor Bs ss B's s's fs);
blanchet@48975
   414
blanchet@48975
   415
    val (mor_image_thms, morE_thms) =
blanchet@48975
   416
      let
blanchet@48975
   417
        val prem = HOLogic.mk_Trueprop (mk_mor Bs ss B's s's fs);
blanchet@48975
   418
        fun mk_image_goal f B1 B2 = fold_rev Logic.all (Bs @ ss @ B's @ s's @ fs)
traytel@51893
   419
          (Logic.mk_implies (prem, HOLogic.mk_Trueprop (mk_leq (mk_image f $ B1) B2)));
blanchet@48975
   420
        val image_goals = map3 mk_image_goal fs Bs B's;
blanchet@48975
   421
        fun mk_elim_goal B mapAsBs f s s' x =
blanchet@48975
   422
          fold_rev Logic.all (x :: Bs @ ss @ B's @ s's @ fs)
blanchet@48975
   423
            (Logic.list_implies ([prem, HOLogic.mk_Trueprop (HOLogic.mk_mem (x, B))],
blanchet@49123
   424
              mk_Trueprop_eq (Term.list_comb (mapAsBs, passive_ids @ fs @ [s $ x]), s' $ (f $ x))));
blanchet@48975
   425
        val elim_goals = map6 mk_elim_goal Bs mapsAsBs fs ss s's zs;
blanchet@48975
   426
        fun prove goal =
wenzelm@51551
   427
          Goal.prove_sorry lthy [] [] goal (K (mk_mor_elim_tac mor_def))
traytel@49109
   428
          |> Thm.close_derivation;
blanchet@48975
   429
      in
blanchet@48975
   430
        (map prove image_goals, map prove elim_goals)
blanchet@48975
   431
      end;
blanchet@48975
   432
blanchet@48975
   433
    val mor_image'_thms = map (fn thm => @{thm set_mp} OF [thm, imageI]) mor_image_thms;
blanchet@48975
   434
blanchet@48975
   435
    val mor_incl_thm =
blanchet@48975
   436
      let
traytel@51893
   437
        val prems = map2 (HOLogic.mk_Trueprop oo mk_leq) Bs Bs_copy;
blanchet@48975
   438
        val concl = HOLogic.mk_Trueprop (mk_mor Bs ss Bs_copy ss active_ids);
blanchet@48975
   439
      in
wenzelm@51551
   440
        Goal.prove_sorry lthy [] []
blanchet@48975
   441
          (fold_rev Logic.all (Bs @ ss @ Bs_copy) (Logic.list_implies (prems, concl)))
blanchet@48975
   442
          (K (mk_mor_incl_tac mor_def map_id's))
traytel@49109
   443
        |> Thm.close_derivation
blanchet@48975
   444
      end;
blanchet@48975
   445
blanchet@48975
   446
    val mor_id_thm = mor_incl_thm OF (replicate n subset_refl);
blanchet@48975
   447
blanchet@48975
   448
    val mor_comp_thm =
blanchet@48975
   449
      let
blanchet@48975
   450
        val prems =
blanchet@48975
   451
          [HOLogic.mk_Trueprop (mk_mor Bs ss B's s's fs),
blanchet@48975
   452
           HOLogic.mk_Trueprop (mk_mor B's s's B''s s''s gs)];
blanchet@48975
   453
        val concl =
blanchet@48975
   454
          HOLogic.mk_Trueprop (mk_mor Bs ss B''s s''s (map2 (curry HOLogic.mk_comp) gs fs));
blanchet@48975
   455
      in
wenzelm@51551
   456
        Goal.prove_sorry lthy [] []
blanchet@48975
   457
          (fold_rev Logic.all (Bs @ ss @ B's @ s's @ B''s @ s''s @ fs @ gs)
blanchet@48975
   458
            (Logic.list_implies (prems, concl)))
blanchet@48975
   459
          (K (mk_mor_comp_tac mor_def mor_image'_thms morE_thms map_comp_id_thms))
traytel@49109
   460
        |> Thm.close_derivation
blanchet@48975
   461
      end;
blanchet@48975
   462
blanchet@48975
   463
    val mor_cong_thm =
blanchet@48975
   464
      let
blanchet@48975
   465
        val prems = map HOLogic.mk_Trueprop
blanchet@48975
   466
         (map2 (curry HOLogic.mk_eq) fs_copy fs @ [mk_mor Bs ss B's s's fs])
blanchet@48975
   467
        val concl = HOLogic.mk_Trueprop (mk_mor Bs ss B's s's fs_copy);
blanchet@48975
   468
      in
wenzelm@51551
   469
        Goal.prove_sorry lthy [] []
blanchet@48975
   470
          (fold_rev Logic.all (Bs @ ss @ B's @ s's @ fs @ fs_copy)
blanchet@48975
   471
            (Logic.list_implies (prems, concl)))
wenzelm@51798
   472
          (K ((hyp_subst_tac lthy THEN' atac) 1))
traytel@49109
   473
        |> Thm.close_derivation
blanchet@48975
   474
      end;
blanchet@48975
   475
blanchet@48975
   476
    val mor_UNIV_thm =
blanchet@48975
   477
      let
blanchet@48975
   478
        fun mk_conjunct mapAsBs f s s' = HOLogic.mk_eq
blanchet@48975
   479
            (HOLogic.mk_comp (Term.list_comb (mapAsBs, passive_ids @ fs), s),
blanchet@48975
   480
            HOLogic.mk_comp (s', f));
blanchet@48975
   481
        val lhs = mk_mor active_UNIVs ss (map HOLogic.mk_UNIV activeBs) s's fs;
blanchet@48975
   482
        val rhs = Library.foldr1 HOLogic.mk_conj (map4 mk_conjunct mapsAsBs fs ss s's);
blanchet@48975
   483
      in
wenzelm@51551
   484
        Goal.prove_sorry lthy [] [] (fold_rev Logic.all (ss @ s's @ fs) (mk_Trueprop_eq (lhs, rhs)))
blanchet@48975
   485
          (K (mk_mor_UNIV_tac morE_thms mor_def))
traytel@49109
   486
        |> Thm.close_derivation
blanchet@48975
   487
      end;
blanchet@48975
   488
blanchet@48975
   489
    val mor_str_thm =
blanchet@48975
   490
      let
blanchet@48975
   491
        val maps = map2 (fn Ds => fn bnf => Term.list_comb
blanchet@48975
   492
          (mk_map_of_bnf Ds allAs (passiveAs @ FTsAs) bnf, passive_ids @ ss)) Dss bnfs;
blanchet@48975
   493
      in
wenzelm@51551
   494
        Goal.prove_sorry lthy [] []
blanchet@48975
   495
          (fold_rev Logic.all ss (HOLogic.mk_Trueprop
blanchet@48975
   496
            (mk_mor active_UNIVs ss (map HOLogic.mk_UNIV FTsAs) maps ss)))
blanchet@48975
   497
          (K (mk_mor_str_tac ks mor_UNIV_thm))
traytel@49109
   498
        |> Thm.close_derivation
blanchet@48975
   499
      end;
blanchet@48975
   500
blanchet@48975
   501
    val mor_sum_case_thm =
blanchet@48975
   502
      let
blanchet@49458
   503
        val maps = map3 (fn s => fn sum_s => fn mapx =>
blanchet@49458
   504
          mk_sum_case (HOLogic.mk_comp (Term.list_comb (mapx, passive_ids @ Inls), s), sum_s))
blanchet@48975
   505
          s's sum_ss map_Inls;
blanchet@48975
   506
      in
wenzelm@51551
   507
        Goal.prove_sorry lthy [] []
blanchet@48975
   508
          (fold_rev Logic.all (s's @ sum_ss) (HOLogic.mk_Trueprop
blanchet@48975
   509
            (mk_mor (map HOLogic.mk_UNIV activeBs) s's sum_UNIVs maps Inls)))
blanchet@48975
   510
          (K (mk_mor_sum_case_tac ks mor_UNIV_thm))
traytel@49109
   511
        |> Thm.close_derivation
blanchet@48975
   512
      end;
blanchet@48975
   513
blanchet@48975
   514
    val timer = time (timer "Morphism definition & thms");
blanchet@48975
   515
blanchet@48975
   516
    fun hset_rec_bind j = Binding.suffix_name ("_" ^ hset_recN ^ (if m = 1 then "" else
blanchet@48975
   517
      string_of_int j)) b;
blanchet@48975
   518
    val hset_rec_name = Binding.name_of o hset_rec_bind;
blanchet@48975
   519
    val hset_rec_def_bind = rpair [] o Thm.def_binding o hset_rec_bind;
blanchet@48975
   520
blanchet@48975
   521
    fun hset_rec_spec j Zero hsetT hrec hrec' =
blanchet@48975
   522
      let
blanchet@48975
   523
        fun mk_Suc s setsAs z z' =
blanchet@48975
   524
          let
blanchet@48975
   525
            val (set, sets) = apfst (fn xs => nth xs (j - 1)) (chop m setsAs);
blanchet@48975
   526
            fun mk_UN set k = mk_UNION (set $ (s $ z)) (mk_nthN n hrec k);
blanchet@48975
   527
          in
blanchet@48975
   528
            Term.absfree z'
blanchet@48975
   529
              (mk_union (set $ (s $ z), Library.foldl1 mk_union (map2 mk_UN sets ks)))
blanchet@48975
   530
          end;
blanchet@48975
   531
blanchet@48975
   532
        val Suc = Term.absdummy HOLogic.natT (Term.absfree hrec'
blanchet@48975
   533
          (HOLogic.mk_tuple (map4 mk_Suc ss setssAs zs zs')));
blanchet@48975
   534
blanchet@48975
   535
        val lhs = Term.list_comb (Free (hset_rec_name j, hsetT), ss);
blanchet@48975
   536
        val rhs = mk_nat_rec Zero Suc;
blanchet@48975
   537
      in
blanchet@49123
   538
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
   539
      end;
blanchet@48975
   540
blanchet@48975
   541
    val ((hset_rec_frees, (_, hset_rec_def_frees)), (lthy, lthy_old)) =
blanchet@48975
   542
      lthy
blanchet@48975
   543
      |> fold_map5 (fn j => fn Zero => fn hsetT => fn hrec => fn hrec' => Specification.definition
blanchet@48975
   544
        (SOME (hset_rec_bind j, NONE, NoSyn),
blanchet@48975
   545
          (hset_rec_def_bind j, hset_rec_spec j Zero hsetT hrec hrec')))
blanchet@48975
   546
        ls Zeros hsetTs hrecs hrecs'
blanchet@48975
   547
      |>> apsnd split_list o split_list
blanchet@48975
   548
      ||> `Local_Theory.restore;
blanchet@48975
   549
blanchet@48975
   550
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
   551
blanchet@48975
   552
    val hset_rec_defs = map (Morphism.thm phi) hset_rec_def_frees;
blanchet@48975
   553
    val hset_recs = map (fst o Term.dest_Const o Morphism.term phi) hset_rec_frees;
blanchet@48975
   554
blanchet@48975
   555
    fun mk_hset_rec ss nat i j T =
blanchet@48975
   556
      let
blanchet@48975
   557
        val args = ss @ [nat];
blanchet@48975
   558
        val Ts = map fastype_of ss;
blanchet@48975
   559
        val bTs = map domain_type Ts;
blanchet@48975
   560
        val hrecT = HOLogic.mk_tupleT (map (fn U => U --> HOLogic.mk_setT T) bTs)
blanchet@48975
   561
        val hset_recT = Library.foldr (op -->) (Ts, HOLogic.natT --> hrecT);
blanchet@48975
   562
      in
blanchet@48975
   563
        mk_nthN n (Term.list_comb (Const (nth hset_recs (j - 1), hset_recT), args)) i
blanchet@48975
   564
      end;
blanchet@48975
   565
blanchet@48975
   566
    val hset_rec_0ss = mk_rec_simps n @{thm nat_rec_0} hset_rec_defs;
blanchet@48975
   567
    val hset_rec_Sucss = mk_rec_simps n @{thm nat_rec_Suc} hset_rec_defs;
blanchet@48975
   568
    val hset_rec_0ss' = transpose hset_rec_0ss;
blanchet@48975
   569
    val hset_rec_Sucss' = transpose hset_rec_Sucss;
blanchet@48975
   570
blanchet@48975
   571
    fun hset_bind i j = Binding.suffix_name ("_" ^ hsetN ^
blanchet@48975
   572
      (if m = 1 then "" else string_of_int j)) (nth bs (i - 1));
blanchet@48975
   573
    val hset_name = Binding.name_of oo hset_bind;
blanchet@48975
   574
    val hset_def_bind = rpair [] o Thm.def_binding oo hset_bind;
blanchet@48975
   575
blanchet@48975
   576
    fun hset_spec i j =
blanchet@48975
   577
      let
blanchet@48975
   578
        val U = nth activeAs (i - 1);
blanchet@48975
   579
        val z = nth zs (i - 1);
blanchet@48975
   580
        val T = nth passiveAs (j - 1);
blanchet@48975
   581
        val setT = HOLogic.mk_setT T;
blanchet@48975
   582
        val hsetT = Library.foldr (op -->) (sTs, U --> setT);
blanchet@48975
   583
blanchet@48975
   584
        val lhs = Term.list_comb (Free (hset_name i j, hsetT), ss @ [z]);
blanchet@48975
   585
        val rhs = mk_UNION (HOLogic.mk_UNIV HOLogic.natT)
blanchet@48975
   586
          (Term.absfree nat' (mk_hset_rec ss nat i j T $ z));
blanchet@48975
   587
      in
blanchet@49123
   588
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
   589
      end;
blanchet@48975
   590
blanchet@48975
   591
    val ((hset_frees, (_, hset_def_frees)), (lthy, lthy_old)) =
blanchet@48975
   592
      lthy
blanchet@48975
   593
      |> fold_map (fn i => fold_map (fn j => Specification.definition
blanchet@48975
   594
        (SOME (hset_bind i j, NONE, NoSyn), (hset_def_bind i j, hset_spec i j))) ls) ks
blanchet@48975
   595
      |>> map (apsnd split_list o split_list)
blanchet@48975
   596
      |>> apsnd split_list o split_list
blanchet@48975
   597
      ||> `Local_Theory.restore;
blanchet@48975
   598
blanchet@48975
   599
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
   600
blanchet@48975
   601
    val hset_defss = map (map (Morphism.thm phi)) hset_def_frees;
blanchet@48975
   602
    val hset_defss' = transpose hset_defss;
blanchet@48975
   603
    val hset_namess = map (map (fst o Term.dest_Const o Morphism.term phi)) hset_frees;
blanchet@48975
   604
blanchet@48975
   605
    fun mk_hset ss i j T =
blanchet@48975
   606
      let
blanchet@48975
   607
        val Ts = map fastype_of ss;
blanchet@48975
   608
        val bTs = map domain_type Ts;
blanchet@48975
   609
        val hsetT = Library.foldr (op -->) (Ts, nth bTs (i - 1) --> HOLogic.mk_setT T);
blanchet@48975
   610
      in
blanchet@48975
   611
        Term.list_comb (Const (nth (nth hset_namess (i - 1)) (j - 1), hsetT), ss)
blanchet@48975
   612
      end;
blanchet@48975
   613
blanchet@48975
   614
    val hsetssAs = map (fn i => map2 (mk_hset ss i) ls passiveAs) ks;
blanchet@48975
   615
blanchet@48975
   616
    val (set_incl_hset_thmss, set_hset_incl_hset_thmsss) =
blanchet@48975
   617
      let
blanchet@48975
   618
        fun mk_set_incl_hset s x set hset = fold_rev Logic.all (x :: ss)
traytel@51893
   619
          (HOLogic.mk_Trueprop (mk_leq (set $ (s $ x)) (hset $ x)));
blanchet@48975
   620
blanchet@48975
   621
        fun mk_set_hset_incl_hset s x y set hset1 hset2 =
blanchet@48975
   622
          fold_rev Logic.all (x :: y :: ss)
blanchet@48975
   623
            (Logic.mk_implies (HOLogic.mk_Trueprop (HOLogic.mk_mem (x, set $ (s $ y))),
traytel@51893
   624
            HOLogic.mk_Trueprop (mk_leq (hset1 $ x) (hset2 $ y))));
blanchet@48975
   625
blanchet@48975
   626
        val set_incl_hset_goalss =
blanchet@48975
   627
          map4 (fn s => fn x => fn sets => fn hsets =>
blanchet@48975
   628
            map2 (mk_set_incl_hset s x) (take m sets) hsets)
blanchet@48975
   629
          ss zs setssAs hsetssAs;
blanchet@48975
   630
blanchet@48975
   631
        (*xk : F(i)set(m+k) (si yi) ==> F(k)_hset(j) s1 ... sn xk <= F(i)_hset(j) s1 ... sn yi*)
blanchet@48975
   632
        val set_hset_incl_hset_goalsss =
blanchet@48975
   633
          map4 (fn si => fn yi => fn sets => fn hsetsi =>
blanchet@48975
   634
            map3 (fn xk => fn set => fn hsetsk =>
blanchet@48975
   635
              map2 (mk_set_hset_incl_hset si xk yi set) hsetsk hsetsi)
blanchet@48975
   636
            zs_copy (drop m sets) hsetssAs)
blanchet@48975
   637
          ss zs setssAs hsetssAs;
blanchet@48975
   638
      in
blanchet@48975
   639
        (map3 (fn goals => fn defs => fn rec_Sucs =>
blanchet@48975
   640
          map3 (fn goal => fn def => fn rec_Suc =>
wenzelm@51551
   641
            Goal.prove_sorry lthy [] [] goal (K (mk_set_incl_hset_tac def rec_Suc))
traytel@49109
   642
            |> Thm.close_derivation)
blanchet@48975
   643
          goals defs rec_Sucs)
blanchet@48975
   644
        set_incl_hset_goalss hset_defss hset_rec_Sucss,
blanchet@48975
   645
        map3 (fn goalss => fn defsi => fn rec_Sucs =>
blanchet@48975
   646
          map3 (fn k => fn goals => fn defsk =>
blanchet@48975
   647
            map4 (fn goal => fn defk => fn defi => fn rec_Suc =>
wenzelm@51551
   648
              Goal.prove_sorry lthy [] [] goal
traytel@49109
   649
                (K (mk_set_hset_incl_hset_tac n [defk, defi] rec_Suc k))
traytel@49109
   650
              |> Thm.close_derivation)
blanchet@48975
   651
            goals defsk defsi rec_Sucs)
blanchet@48975
   652
          ks goalss hset_defss)
blanchet@48975
   653
        set_hset_incl_hset_goalsss hset_defss hset_rec_Sucss)
blanchet@48975
   654
      end;
blanchet@48975
   655
blanchet@48975
   656
    val set_incl_hset_thmss' = transpose set_incl_hset_thmss;
blanchet@48975
   657
    val set_hset_incl_hset_thmsss' = transpose (map transpose set_hset_incl_hset_thmsss);
blanchet@48975
   658
    val set_hset_incl_hset_thmsss'' = map transpose set_hset_incl_hset_thmsss';
blanchet@48975
   659
    val set_hset_thmss = map (map (fn thm => thm RS @{thm set_mp})) set_incl_hset_thmss;
blanchet@48975
   660
    val set_hset_hset_thmsss = map (map (map (fn thm => thm RS @{thm set_mp})))
blanchet@48975
   661
      set_hset_incl_hset_thmsss;
blanchet@48975
   662
    val set_hset_thmss' = transpose set_hset_thmss;
blanchet@48975
   663
    val set_hset_hset_thmsss' = transpose (map transpose set_hset_hset_thmsss);
blanchet@48975
   664
blanchet@48975
   665
    val set_incl_hin_thmss =
blanchet@48975
   666
      let
blanchet@48975
   667
        fun mk_set_incl_hin s x hsets1 set hsets2 T =
blanchet@48975
   668
          fold_rev Logic.all (x :: ss @ As)
blanchet@48975
   669
            (Logic.list_implies
traytel@51893
   670
              (map2 (fn hset => fn A => HOLogic.mk_Trueprop (mk_leq (hset $ x) A)) hsets1 As,
traytel@51893
   671
              HOLogic.mk_Trueprop (mk_leq (set $ (s $ x)) (mk_in As hsets2 T))));
blanchet@48975
   672
blanchet@48975
   673
        val set_incl_hin_goalss =
blanchet@48975
   674
          map4 (fn s => fn x => fn sets => fn hsets =>
blanchet@48975
   675
            map3 (mk_set_incl_hin s x hsets) (drop m sets) hsetssAs activeAs)
blanchet@48975
   676
          ss zs setssAs hsetssAs;
blanchet@48975
   677
      in
blanchet@48975
   678
        map2 (map2 (fn goal => fn thms =>
wenzelm@51551
   679
          Goal.prove_sorry lthy [] [] goal (K (mk_set_incl_hin_tac thms))
traytel@49109
   680
          |> Thm.close_derivation))
blanchet@48975
   681
        set_incl_hin_goalss set_hset_incl_hset_thmsss
blanchet@48975
   682
      end;
blanchet@48975
   683
blanchet@48975
   684
    val hset_minimal_thms =
blanchet@48975
   685
      let
blanchet@48975
   686
        fun mk_passive_prem set s x K =
traytel@51893
   687
          Logic.all x (HOLogic.mk_Trueprop (mk_leq (set $ (s $ x)) (K $ x)));
blanchet@48975
   688
blanchet@48975
   689
        fun mk_active_prem s x1 K1 set x2 K2 =
blanchet@48975
   690
          fold_rev Logic.all [x1, x2]
blanchet@48975
   691
            (Logic.mk_implies (HOLogic.mk_Trueprop (HOLogic.mk_mem (x2, set $ (s $ x1))),
traytel@51893
   692
              HOLogic.mk_Trueprop (mk_leq (K2 $ x2) (K1 $ x1))));
blanchet@48975
   693
blanchet@48975
   694
        val premss = map2 (fn j => fn Ks =>
blanchet@48975
   695
          map4 mk_passive_prem (map (fn xs => nth xs (j - 1)) setssAs) ss zs Ks @
blanchet@48975
   696
            flat (map4 (fn sets => fn s => fn x1 => fn K1 =>
blanchet@48975
   697
              map3 (mk_active_prem s x1 K1) (drop m sets) zs_copy Ks) setssAs ss zs Ks))
blanchet@48975
   698
          ls Kss;
blanchet@48975
   699
blanchet@48975
   700
        val hset_rec_minimal_thms =
blanchet@48975
   701
          let
traytel@51893
   702
            fun mk_conjunct j T i K x = mk_leq (mk_hset_rec ss nat i j T $ x) (K $ x);
blanchet@48975
   703
            fun mk_concl j T Ks = list_all_free zs
blanchet@48975
   704
              (Library.foldr1 HOLogic.mk_conj (map3 (mk_conjunct j T) ks Ks zs));
blanchet@48975
   705
            val concls = map3 mk_concl ls passiveAs Kss;
blanchet@48975
   706
blanchet@48975
   707
            val goals = map2 (fn prems => fn concl =>
blanchet@48975
   708
              Logic.list_implies (prems, HOLogic.mk_Trueprop concl)) premss concls
blanchet@48975
   709
blanchet@48975
   710
            val ctss =
blanchet@48975
   711
              map (fn phi => map (SOME o certify lthy) [Term.absfree nat' phi, nat]) concls;
blanchet@48975
   712
          in
blanchet@48975
   713
            map4 (fn goal => fn cts => fn hset_rec_0s => fn hset_rec_Sucs =>
blanchet@48975
   714
              singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
   715
                (Goal.prove_sorry lthy [] [] goal
traytel@49109
   716
                  (mk_hset_rec_minimal_tac m cts hset_rec_0s hset_rec_Sucs))
traytel@49109
   717
              |> Thm.close_derivation)
blanchet@48975
   718
            goals ctss hset_rec_0ss' hset_rec_Sucss'
blanchet@48975
   719
          end;
blanchet@48975
   720
traytel@51893
   721
        fun mk_conjunct j T i K x = mk_leq (mk_hset ss i j T $ x) (K $ x);
blanchet@48975
   722
        fun mk_concl j T Ks = Library.foldr1 HOLogic.mk_conj (map3 (mk_conjunct j T) ks Ks zs);
blanchet@48975
   723
        val concls = map3 mk_concl ls passiveAs Kss;
blanchet@48975
   724
blanchet@48975
   725
        val goals = map3 (fn Ks => fn prems => fn concl =>
blanchet@48975
   726
          fold_rev Logic.all (Ks @ ss @ zs)
blanchet@48975
   727
            (Logic.list_implies (prems, HOLogic.mk_Trueprop concl))) Kss premss concls;
blanchet@48975
   728
      in
blanchet@48975
   729
        map3 (fn goal => fn hset_defs => fn hset_rec_minimal =>
wenzelm@51551
   730
          Goal.prove_sorry lthy [] [] goal
traytel@49109
   731
            (mk_hset_minimal_tac n hset_defs hset_rec_minimal)
traytel@49109
   732
          |> Thm.close_derivation)
blanchet@48975
   733
        goals hset_defss' hset_rec_minimal_thms
blanchet@48975
   734
      end;
blanchet@48975
   735
blanchet@48975
   736
    val mor_hset_thmss =
blanchet@48975
   737
      let
blanchet@48975
   738
        val mor_hset_rec_thms =
blanchet@48975
   739
          let
blanchet@48975
   740
            fun mk_conjunct j T i f x B =
blanchet@48975
   741
              HOLogic.mk_imp (HOLogic.mk_mem (x, B), HOLogic.mk_eq
blanchet@48975
   742
               (mk_hset_rec s's nat i j T $ (f $ x), mk_hset_rec ss nat i j T $ x));
blanchet@48975
   743
blanchet@48975
   744
            fun mk_concl j T = list_all_free zs
blanchet@48975
   745
              (Library.foldr1 HOLogic.mk_conj (map4 (mk_conjunct j T) ks fs zs Bs));
blanchet@48975
   746
            val concls = map2 mk_concl ls passiveAs;
blanchet@48975
   747
blanchet@48975
   748
            val ctss =
blanchet@48975
   749
              map (fn phi => map (SOME o certify lthy) [Term.absfree nat' phi, nat]) concls;
blanchet@48975
   750
blanchet@48975
   751
            val goals = map (fn concl =>
blanchet@48975
   752
              Logic.list_implies ([coalg_prem, mor_prem], HOLogic.mk_Trueprop concl)) concls;
blanchet@48975
   753
          in
blanchet@48975
   754
            map5 (fn j => fn goal => fn cts => fn hset_rec_0s => fn hset_rec_Sucs =>
blanchet@48975
   755
              singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
   756
                (Goal.prove_sorry lthy [] [] goal
blanchet@48975
   757
                  (K (mk_mor_hset_rec_tac m n cts j hset_rec_0s hset_rec_Sucs
blanchet@51766
   758
                    morE_thms set_map'ss coalg_set_thmss)))
traytel@49109
   759
              |> Thm.close_derivation)
blanchet@48975
   760
            ls goals ctss hset_rec_0ss' hset_rec_Sucss'
blanchet@48975
   761
          end;
blanchet@48975
   762
blanchet@48975
   763
        val mor_hset_rec_thmss = map (fn thm => map (fn i =>
blanchet@48975
   764
          mk_specN n thm RS mk_conjunctN n i RS mp) ks) mor_hset_rec_thms;
blanchet@48975
   765
blanchet@48975
   766
        fun mk_prem x B = HOLogic.mk_Trueprop (HOLogic.mk_mem (x, B));
blanchet@48975
   767
blanchet@49123
   768
        fun mk_concl j T i f x =
blanchet@49123
   769
          mk_Trueprop_eq (mk_hset s's i j T $ (f $ x), mk_hset ss i j T $ x);
blanchet@48975
   770
blanchet@48975
   771
        val goalss = map2 (fn j => fn T => map4 (fn i => fn f => fn x => fn B =>
blanchet@48975
   772
          fold_rev Logic.all (x :: As @ Bs @ ss @ B's @ s's @ fs)
blanchet@48975
   773
            (Logic.list_implies ([coalg_prem, mor_prem,
blanchet@48975
   774
              mk_prem x B], mk_concl j T i f x))) ks fs zs Bs) ls passiveAs;
blanchet@48975
   775
      in
blanchet@48975
   776
        map3 (map3 (fn goal => fn hset_def => fn mor_hset_rec =>
wenzelm@51551
   777
          Goal.prove_sorry lthy [] [] goal
traytel@49109
   778
            (K (mk_mor_hset_tac hset_def mor_hset_rec))
traytel@49109
   779
          |> Thm.close_derivation))
blanchet@48975
   780
        goalss hset_defss' mor_hset_rec_thmss
blanchet@48975
   781
      end;
blanchet@48975
   782
blanchet@48975
   783
    val timer = time (timer "Hereditary sets");
blanchet@48975
   784
blanchet@48975
   785
    (* bisimulation *)
blanchet@48975
   786
blanchet@48975
   787
    val bis_bind = Binding.suffix_name ("_" ^ bisN) b;
blanchet@48975
   788
    val bis_name = Binding.name_of bis_bind;
blanchet@48975
   789
    val bis_def_bind = (Thm.def_binding bis_bind, []);
blanchet@48975
   790
traytel@51893
   791
    fun mk_bis_le_conjunct R B1 B2 = mk_leq R (mk_Times (B1, B2));
blanchet@48975
   792
    val bis_le = Library.foldr1 HOLogic.mk_conj (map3 mk_bis_le_conjunct Rs Bs B's)
blanchet@48975
   793
blanchet@48975
   794
    val bis_spec =
blanchet@48975
   795
      let
blanchet@48975
   796
        val bisT = Library.foldr (op -->) (ATs @ BTs @ sTs @ B'Ts @ s'Ts @ setRTs, HOLogic.boolT);
blanchet@48975
   797
blanchet@48975
   798
        val fst_args = passive_ids @ fsts;
blanchet@48975
   799
        val snd_args = passive_ids @ snds;
blanchet@48975
   800
        fun mk_bis R s s' b1 b2 RF map1 map2 sets =
blanchet@48975
   801
          list_all_free [b1, b2] (HOLogic.mk_imp
blanchet@48975
   802
            (HOLogic.mk_mem (HOLogic.mk_prod (b1, b2), R),
blanchet@48975
   803
            mk_Bex (mk_in (As @ Rs) sets (snd (dest_Free RF))) (Term.absfree (dest_Free RF)
blanchet@48975
   804
              (HOLogic.mk_conj
blanchet@48975
   805
                (HOLogic.mk_eq (Term.list_comb (map1, fst_args) $ RF, s $ b1),
blanchet@48975
   806
                HOLogic.mk_eq (Term.list_comb (map2, snd_args) $ RF, s' $ b2))))));
blanchet@48975
   807
blanchet@48975
   808
        val lhs = Term.list_comb (Free (bis_name, bisT), As @ Bs @ ss @ B's @ s's @ Rs);
blanchet@48975
   809
        val rhs = HOLogic.mk_conj
blanchet@48975
   810
          (bis_le, Library.foldr1 HOLogic.mk_conj
blanchet@48975
   811
            (map9 mk_bis Rs ss s's zs z's RFs map_fsts map_snds bis_setss))
blanchet@48975
   812
      in
blanchet@49123
   813
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
   814
      end;
blanchet@48975
   815
blanchet@48975
   816
    val ((bis_free, (_, bis_def_free)), (lthy, lthy_old)) =
blanchet@49311
   817
      lthy
blanchet@49311
   818
      |> Specification.definition (SOME (bis_bind, NONE, NoSyn), (bis_def_bind, bis_spec))
blanchet@49311
   819
      ||> `Local_Theory.restore;
blanchet@49311
   820
blanchet@48975
   821
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
   822
    val bis = fst (Term.dest_Const (Morphism.term phi bis_free));
blanchet@48975
   823
    val bis_def = Morphism.thm phi bis_def_free;
blanchet@48975
   824
blanchet@48975
   825
    fun mk_bis As Bs1 ss1 Bs2 ss2 Rs =
blanchet@48975
   826
      let
blanchet@48975
   827
        val args = As @ Bs1 @ ss1 @ Bs2 @ ss2 @ Rs;
blanchet@48975
   828
        val Ts = map fastype_of args;
blanchet@48975
   829
        val bisT = Library.foldr (op -->) (Ts, HOLogic.boolT);
blanchet@48975
   830
      in
blanchet@48975
   831
        Term.list_comb (Const (bis, bisT), args)
blanchet@48975
   832
      end;
blanchet@48975
   833
blanchet@48975
   834
    val bis_cong_thm =
blanchet@48975
   835
      let
blanchet@48975
   836
        val prems = map HOLogic.mk_Trueprop
blanchet@48975
   837
         (mk_bis As Bs ss B's s's Rs :: map2 (curry HOLogic.mk_eq) Rs_copy Rs)
blanchet@48975
   838
        val concl = HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's Rs_copy);
blanchet@48975
   839
      in
wenzelm@51551
   840
        Goal.prove_sorry lthy [] []
blanchet@48975
   841
          (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ Rs @ Rs_copy)
blanchet@48975
   842
            (Logic.list_implies (prems, concl)))
wenzelm@51798
   843
          (K ((hyp_subst_tac lthy THEN' atac) 1))
traytel@49109
   844
        |> Thm.close_derivation
blanchet@48975
   845
      end;
blanchet@48975
   846
traytel@51893
   847
    val bis_rel_thm =
blanchet@48975
   848
      let
traytel@51893
   849
        fun mk_conjunct R s s' b1 b2 rel =
blanchet@48975
   850
          list_all_free [b1, b2] (HOLogic.mk_imp
blanchet@48975
   851
            (HOLogic.mk_mem (HOLogic.mk_prod (b1, b2), R),
traytel@51893
   852
            Term.list_comb (rel, map mk_in_rel (passive_Id_ons @ Rs)) $ (s $ b1) $ (s' $ b2)));
blanchet@48975
   853
blanchet@48975
   854
        val rhs = HOLogic.mk_conj
blanchet@48975
   855
          (bis_le, Library.foldr1 HOLogic.mk_conj
blanchet@48975
   856
            (map6 mk_conjunct Rs ss s's zs z's relsAsBs))
blanchet@48975
   857
      in
wenzelm@51551
   858
        Goal.prove_sorry lthy [] []
blanchet@48975
   859
          (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ Rs)
blanchet@49123
   860
            (mk_Trueprop_eq (mk_bis As Bs ss B's s's Rs, rhs)))
traytel@51893
   861
          (K (mk_bis_rel_tac lthy m bis_def rel_OO_Grps map_comp's map_cong0s set_map'ss))
traytel@49109
   862
        |> Thm.close_derivation
blanchet@48975
   863
      end;
blanchet@48975
   864
blanchet@48975
   865
    val bis_converse_thm =
wenzelm@51551
   866
      Goal.prove_sorry lthy [] []
blanchet@48975
   867
        (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ Rs)
blanchet@48975
   868
          (Logic.mk_implies
blanchet@48975
   869
            (HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's Rs),
blanchet@48975
   870
            HOLogic.mk_Trueprop (mk_bis As B's s's Bs ss (map mk_converse Rs)))))
traytel@51893
   871
        (K (mk_bis_converse_tac m bis_rel_thm rel_congs rel_converseps))
traytel@49109
   872
      |> Thm.close_derivation;
blanchet@48975
   873
blanchet@48975
   874
    val bis_O_thm =
blanchet@48975
   875
      let
blanchet@48975
   876
        val prems =
blanchet@48975
   877
          [HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's Rs),
blanchet@48975
   878
           HOLogic.mk_Trueprop (mk_bis As B's s's B''s s''s R's)];
blanchet@48975
   879
        val concl =
blanchet@48975
   880
          HOLogic.mk_Trueprop (mk_bis As Bs ss B''s s''s (map2 (curry mk_rel_comp) Rs R's));
blanchet@48975
   881
      in
wenzelm@51551
   882
        Goal.prove_sorry lthy [] []
blanchet@48975
   883
          (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ B''s @ s''s @ Rs @ R's)
blanchet@48975
   884
            (Logic.list_implies (prems, concl)))
traytel@51893
   885
          (K (mk_bis_O_tac lthy m bis_rel_thm rel_congs rel_OOs))
traytel@49109
   886
        |> Thm.close_derivation
blanchet@48975
   887
      end;
blanchet@48975
   888
blanchet@48975
   889
    val bis_Gr_thm =
blanchet@48975
   890
      let
blanchet@48975
   891
        val concl =
blanchet@48975
   892
          HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's (map2 mk_Gr Bs fs));
blanchet@48975
   893
      in
wenzelm@51551
   894
        Goal.prove_sorry lthy [] []
blanchet@48975
   895
          (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ fs)
blanchet@48975
   896
            (Logic.list_implies ([coalg_prem, mor_prem], concl)))
traytel@51893
   897
          (mk_bis_Gr_tac bis_rel_thm rel_Grps mor_image_thms morE_thms coalg_in_thms)
traytel@49109
   898
        |> Thm.close_derivation
blanchet@48975
   899
      end;
blanchet@48975
   900
blanchet@48975
   901
    val bis_image2_thm = bis_cong_thm OF
blanchet@48975
   902
      ((bis_O_thm OF [bis_Gr_thm RS bis_converse_thm, bis_Gr_thm]) ::
blanchet@48975
   903
      replicate n @{thm image2_Gr});
blanchet@48975
   904
traytel@51447
   905
    val bis_Id_on_thm = bis_cong_thm OF ((mor_id_thm RSN (2, bis_Gr_thm)) ::
traytel@51447
   906
      replicate n @{thm Id_on_Gr});
blanchet@48975
   907
blanchet@48975
   908
    val bis_Union_thm =
blanchet@48975
   909
      let
blanchet@48975
   910
        val prem =
blanchet@48975
   911
          HOLogic.mk_Trueprop (mk_Ball Idx
blanchet@48975
   912
            (Term.absfree idx' (mk_bis As Bs ss B's s's (map (fn R => R $ idx) Ris))));
blanchet@48975
   913
        val concl =
blanchet@48975
   914
          HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's (map (mk_UNION Idx) Ris));
blanchet@48975
   915
      in
wenzelm@51551
   916
        Goal.prove_sorry lthy [] []
blanchet@48975
   917
          (fold_rev Logic.all (Idx :: As @ Bs @ ss @ B's @ s's @ Ris)
blanchet@48975
   918
            (Logic.mk_implies (prem, concl)))
blanchet@48975
   919
          (mk_bis_Union_tac bis_def in_mono'_thms)
traytel@49109
   920
        |> Thm.close_derivation
blanchet@48975
   921
      end;
blanchet@48975
   922
blanchet@48975
   923
    (* self-bisimulation *)
blanchet@48975
   924
blanchet@48975
   925
    fun mk_sbis As Bs ss Rs = mk_bis As Bs ss Bs ss Rs;
blanchet@48975
   926
blanchet@48975
   927
    val sbis_prem = HOLogic.mk_Trueprop (mk_sbis As Bs ss sRs);
blanchet@48975
   928
blanchet@48975
   929
    (* largest self-bisimulation *)
blanchet@48975
   930
blanchet@48975
   931
    fun lsbis_bind i = Binding.suffix_name ("_" ^ lsbisN ^ (if n = 1 then "" else
blanchet@48975
   932
      string_of_int i)) b;
blanchet@48975
   933
    val lsbis_name = Binding.name_of o lsbis_bind;
blanchet@48975
   934
    val lsbis_def_bind = rpair [] o Thm.def_binding o lsbis_bind;
blanchet@48975
   935
blanchet@48975
   936
    val all_sbis = HOLogic.mk_Collect (fst Rtuple', snd Rtuple', list_exists_free sRs
blanchet@48975
   937
      (HOLogic.mk_conj (HOLogic.mk_eq (Rtuple, HOLogic.mk_tuple sRs), mk_sbis As Bs ss sRs)));
blanchet@48975
   938
blanchet@48975
   939
    fun lsbis_spec i RT =
blanchet@48975
   940
      let
blanchet@48975
   941
        fun mk_lsbisT RT =
blanchet@48975
   942
          Library.foldr (op -->) (map fastype_of (As @ Bs @ ss), RT);
blanchet@48975
   943
        val lhs = Term.list_comb (Free (lsbis_name i, mk_lsbisT RT), As @ Bs @ ss);
blanchet@48975
   944
        val rhs = mk_UNION all_sbis (Term.absfree Rtuple' (mk_nthN n Rtuple i));
blanchet@48975
   945
      in
blanchet@49123
   946
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
   947
      end;
blanchet@48975
   948
blanchet@48975
   949
    val ((lsbis_frees, (_, lsbis_def_frees)), (lthy, lthy_old)) =
blanchet@48975
   950
      lthy
blanchet@48975
   951
      |> fold_map2 (fn i => fn RT => Specification.definition
blanchet@48975
   952
        (SOME (lsbis_bind i, NONE, NoSyn), (lsbis_def_bind i, lsbis_spec i RT))) ks setsRTs
blanchet@48975
   953
      |>> apsnd split_list o split_list
blanchet@48975
   954
      ||> `Local_Theory.restore;
blanchet@48975
   955
blanchet@48975
   956
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
   957
blanchet@48975
   958
    val lsbis_defs = map (Morphism.thm phi) lsbis_def_frees;
blanchet@48975
   959
    val lsbiss = map (fst o Term.dest_Const o Morphism.term phi) lsbis_frees;
blanchet@48975
   960
blanchet@48975
   961
    fun mk_lsbis As Bs ss i =
blanchet@48975
   962
      let
blanchet@48975
   963
        val args = As @ Bs @ ss;
blanchet@48975
   964
        val Ts = map fastype_of args;
blanchet@48975
   965
        val RT = mk_relT (`I (HOLogic.dest_setT (fastype_of (nth Bs (i - 1)))));
blanchet@48975
   966
        val lsbisT = Library.foldr (op -->) (Ts, RT);
blanchet@48975
   967
      in
blanchet@48975
   968
        Term.list_comb (Const (nth lsbiss (i - 1), lsbisT), args)
blanchet@48975
   969
      end;
blanchet@48975
   970
blanchet@48975
   971
    val sbis_lsbis_thm =
wenzelm@51551
   972
      Goal.prove_sorry lthy [] []
blanchet@48975
   973
        (fold_rev Logic.all (As @ Bs @ ss)
blanchet@48975
   974
          (HOLogic.mk_Trueprop (mk_sbis As Bs ss (map (mk_lsbis As Bs ss) ks))))
wenzelm@51798
   975
        (K (mk_sbis_lsbis_tac lthy lsbis_defs bis_Union_thm bis_cong_thm))
traytel@49109
   976
      |> Thm.close_derivation;
blanchet@48975
   977
blanchet@48975
   978
    val lsbis_incl_thms = map (fn i => sbis_lsbis_thm RS
blanchet@48975
   979
      (bis_def RS @{thm subst[of _ _ "%x. x"]} RS conjunct1 RS mk_conjunctN n i)) ks;
blanchet@48975
   980
    val lsbisE_thms = map (fn i => (mk_specN 2 (sbis_lsbis_thm RS
blanchet@48975
   981
      (bis_def RS @{thm subst[of _ _ "%x. x"]} RS conjunct2 RS mk_conjunctN n i))) RS mp) ks;
blanchet@48975
   982
blanchet@48975
   983
    val incl_lsbis_thms =
blanchet@48975
   984
      let
traytel@51893
   985
        fun mk_concl i R = HOLogic.mk_Trueprop (mk_leq R (mk_lsbis As Bs ss i));
blanchet@48975
   986
        val goals = map2 (fn i => fn R => fold_rev Logic.all (As @ Bs @ ss @ sRs)
blanchet@48975
   987
          (Logic.mk_implies (sbis_prem, mk_concl i R))) ks sRs;
blanchet@48975
   988
      in
wenzelm@51551
   989
        map3 (fn goal => fn i => fn def => Goal.prove_sorry lthy [] [] goal
traytel@49109
   990
          (K (mk_incl_lsbis_tac n i def)) |> Thm.close_derivation) goals ks lsbis_defs
blanchet@48975
   991
      end;
blanchet@48975
   992
blanchet@48975
   993
    val equiv_lsbis_thms =
blanchet@48975
   994
      let
blanchet@48975
   995
        fun mk_concl i B = HOLogic.mk_Trueprop (mk_equiv B (mk_lsbis As Bs ss i));
blanchet@48975
   996
        val goals = map2 (fn i => fn B => fold_rev Logic.all (As @ Bs @ ss)
blanchet@48975
   997
          (Logic.mk_implies (coalg_prem, mk_concl i B))) ks Bs;
blanchet@48975
   998
      in
blanchet@48975
   999
        map3 (fn goal => fn l_incl => fn incl_l =>
wenzelm@51551
  1000
          Goal.prove_sorry lthy [] [] goal
blanchet@48975
  1001
            (K (mk_equiv_lsbis_tac sbis_lsbis_thm l_incl incl_l
traytel@51447
  1002
              bis_Id_on_thm bis_converse_thm bis_O_thm))
traytel@49109
  1003
          |> Thm.close_derivation)
blanchet@48975
  1004
        goals lsbis_incl_thms incl_lsbis_thms
blanchet@48975
  1005
      end;
blanchet@48975
  1006
blanchet@48975
  1007
    val timer = time (timer "Bisimulations");
blanchet@48975
  1008
blanchet@48975
  1009
    (* bounds *)
blanchet@48975
  1010
blanchet@48975
  1011
    val (lthy, sbd, sbdT,
blanchet@48975
  1012
      sbd_card_order, sbd_Cinfinite, sbd_Cnotzero, sbd_Card_order, set_sbdss, in_sbds) =
blanchet@48975
  1013
      if n = 1
blanchet@48975
  1014
      then (lthy, sum_bd, sum_bdT,
blanchet@48975
  1015
        bd_card_order, bd_Cinfinite, bd_Cnotzero, bd_Card_order, set_bdss, in_bds)
blanchet@48975
  1016
      else
blanchet@48975
  1017
        let
blanchet@48975
  1018
          val sbdT_bind = Binding.suffix_name ("_" ^ sum_bdTN) b;
blanchet@48975
  1019
blanchet@48975
  1020
          val ((sbdT_name, (sbdT_glob_info, sbdT_loc_info)), lthy) =
wenzelm@49835
  1021
            typedef (sbdT_bind, dead_params, NoSyn)
blanchet@48975
  1022
              (HOLogic.mk_UNIV sum_bdT) NONE (EVERY' [rtac exI, rtac UNIV_I] 1) lthy;
blanchet@48975
  1023
traytel@49620
  1024
          val sbdT = Type (sbdT_name, dead_params');
blanchet@48975
  1025
          val Abs_sbdT = Const (#Abs_name sbdT_glob_info, sum_bdT --> sbdT);
blanchet@48975
  1026
blanchet@48975
  1027
          val sbd_bind = Binding.suffix_name ("_" ^ sum_bdN) b;
blanchet@48975
  1028
          val sbd_name = Binding.name_of sbd_bind;
blanchet@48975
  1029
          val sbd_def_bind = (Thm.def_binding sbd_bind, []);
blanchet@48975
  1030
blanchet@48975
  1031
          val sbd_spec = HOLogic.mk_Trueprop
blanchet@48975
  1032
            (HOLogic.mk_eq (Free (sbd_name, mk_relT (`I sbdT)), mk_dir_image sum_bd Abs_sbdT));
blanchet@48975
  1033
blanchet@48975
  1034
          val ((sbd_free, (_, sbd_def_free)), (lthy, lthy_old)) =
blanchet@48975
  1035
            lthy
blanchet@48975
  1036
            |> Specification.definition (SOME (sbd_bind, NONE, NoSyn), (sbd_def_bind, sbd_spec))
blanchet@48975
  1037
            ||> `Local_Theory.restore;
blanchet@48975
  1038
blanchet@48975
  1039
          val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
  1040
blanchet@48975
  1041
          val sbd_def = Morphism.thm phi sbd_def_free;
blanchet@48975
  1042
          val sbd = Const (fst (Term.dest_Const (Morphism.term phi sbd_free)), mk_relT (`I sbdT));
blanchet@48975
  1043
traytel@49228
  1044
          val Abs_sbdT_inj = mk_Abs_inj_thm (#Abs_inject sbdT_loc_info);
traytel@49228
  1045
          val Abs_sbdT_bij = mk_Abs_bij_thm lthy Abs_sbdT_inj (#Abs_cases sbdT_loc_info);
blanchet@48975
  1046
blanchet@48975
  1047
          fun mk_sum_Cinfinite [thm] = thm
blanchet@48975
  1048
            | mk_sum_Cinfinite (thm :: thms) =
blanchet@48975
  1049
              @{thm Cinfinite_csum_strong} OF [thm, mk_sum_Cinfinite thms];
blanchet@48975
  1050
blanchet@48975
  1051
          val sum_Cinfinite = mk_sum_Cinfinite bd_Cinfinites;
blanchet@48975
  1052
          val sum_Card_order = sum_Cinfinite RS conjunct2;
blanchet@48975
  1053
blanchet@48975
  1054
          fun mk_sum_card_order [thm] = thm
blanchet@48975
  1055
            | mk_sum_card_order (thm :: thms) =
blanchet@48975
  1056
              @{thm card_order_csum} OF [thm, mk_sum_card_order thms];
blanchet@48975
  1057
blanchet@48975
  1058
          val sum_card_order = mk_sum_card_order bd_card_orders;
blanchet@48975
  1059
blanchet@49504
  1060
          val sbd_ordIso = fold_thms lthy [sbd_def]
blanchet@48975
  1061
            (@{thm dir_image} OF [Abs_sbdT_inj, sum_Card_order]);
blanchet@49504
  1062
          val sbd_card_order =  fold_thms lthy [sbd_def]
blanchet@48975
  1063
            (@{thm card_order_dir_image} OF [Abs_sbdT_bij, sum_card_order]);
blanchet@48975
  1064
          val sbd_Cinfinite = @{thm Cinfinite_cong} OF [sbd_ordIso, sum_Cinfinite];
blanchet@48975
  1065
          val sbd_Cnotzero = sbd_Cinfinite RS @{thm Cinfinite_Cnotzero};
blanchet@48975
  1066
          val sbd_Card_order = sbd_Cinfinite RS conjunct2;
blanchet@48975
  1067
blanchet@48975
  1068
          fun mk_set_sbd i bd_Card_order bds =
blanchet@48975
  1069
            map (fn thm => @{thm ordLeq_ordIso_trans} OF
blanchet@48975
  1070
              [bd_Card_order RS mk_ordLeq_csum n i thm, sbd_ordIso]) bds;
blanchet@48975
  1071
          val set_sbdss = map3 mk_set_sbd ks bd_Card_orders set_bdss;
blanchet@48975
  1072
blanchet@48975
  1073
          fun mk_in_sbd i Co Cnz bd =
blanchet@48975
  1074
            Cnz RS ((@{thm ordLeq_ordIso_trans} OF
blanchet@48975
  1075
              [(Co RS mk_ordLeq_csum n i (Co RS @{thm ordLeq_refl})), sbd_ordIso]) RS
blanchet@48975
  1076
              (bd RS @{thm ordLeq_transitive[OF _
traytel@51782
  1077
                cexp_mono2_Cnotzero[OF _ Card_order_csum]]}));
blanchet@48975
  1078
          val in_sbds = map4 mk_in_sbd ks bd_Card_orders bd_Cnotzeros in_bds;
blanchet@48975
  1079
       in
blanchet@48975
  1080
         (lthy, sbd, sbdT,
blanchet@48975
  1081
           sbd_card_order, sbd_Cinfinite, sbd_Cnotzero, sbd_Card_order, set_sbdss, in_sbds)
blanchet@48975
  1082
       end;
blanchet@48975
  1083
blanchet@48975
  1084
    fun mk_sbd_sbd 1 = sbd_Card_order RS @{thm ordIso_refl}
blanchet@48975
  1085
      | mk_sbd_sbd n = @{thm csum_absorb1} OF
blanchet@48975
  1086
          [sbd_Cinfinite, mk_sbd_sbd (n - 1) RS @{thm ordIso_imp_ordLeq}];
blanchet@48975
  1087
blanchet@48975
  1088
    val sbd_sbd_thm = mk_sbd_sbd n;
blanchet@48975
  1089
blanchet@48975
  1090
    val sbdTs = replicate n sbdT;
blanchet@48975
  1091
    val sum_sbd = Library.foldr1 (uncurry mk_csum) (replicate n sbd);
blanchet@48975
  1092
    val sum_sbdT = mk_sumTN sbdTs;
blanchet@48975
  1093
    val sum_sbd_listT = HOLogic.listT sum_sbdT;
blanchet@48975
  1094
    val sum_sbd_list_setT = HOLogic.mk_setT sum_sbd_listT;
blanchet@48975
  1095
    val bdTs = passiveAs @ replicate n sbdT;
blanchet@48975
  1096
    val to_sbd_maps = map4 mk_map_of_bnf Dss Ass (replicate n bdTs) bnfs;
blanchet@48975
  1097
    val bdFTs = mk_FTs bdTs;
blanchet@48975
  1098
    val sbdFT = mk_sumTN bdFTs;
blanchet@48975
  1099
    val treeT = HOLogic.mk_prodT (sum_sbd_list_setT, sum_sbd_listT --> sbdFT);
blanchet@48975
  1100
    val treeQT = HOLogic.mk_setT treeT;
blanchet@48975
  1101
    val treeTs = passiveAs @ replicate n treeT;
blanchet@48975
  1102
    val treeQTs = passiveAs @ replicate n treeQT;
blanchet@48975
  1103
    val treeFTs = mk_FTs treeTs;
blanchet@48975
  1104
    val tree_maps = map4 mk_map_of_bnf Dss (replicate n bdTs) (replicate n treeTs) bnfs;
blanchet@48975
  1105
    val final_maps = map4 mk_map_of_bnf Dss (replicate n treeTs) (replicate n treeQTs) bnfs;
blanchet@48975
  1106
    val tree_setss = mk_setss treeTs;
blanchet@48975
  1107
    val isNode_setss = mk_setss (passiveAs @ replicate n sbdT);
blanchet@48975
  1108
blanchet@48975
  1109
    val root = HOLogic.mk_set sum_sbd_listT [HOLogic.mk_list sum_sbdT []];
blanchet@48975
  1110
    val Zero = HOLogic.mk_tuple (map (fn U => absdummy U root) activeAs);
blanchet@48975
  1111
    val Lev_recT = fastype_of Zero;
blanchet@48975
  1112
    val LevT = Library.foldr (op -->) (sTs, HOLogic.natT --> Lev_recT);
blanchet@48975
  1113
blanchet@48975
  1114
    val Nil = HOLogic.mk_tuple (map3 (fn i => fn z => fn z'=>
blanchet@48975
  1115
      Term.absfree z' (mk_InN activeAs z i)) ks zs zs');
blanchet@48975
  1116
    val rv_recT = fastype_of Nil;
blanchet@48975
  1117
    val rvT = Library.foldr (op -->) (sTs, sum_sbd_listT --> rv_recT);
blanchet@48975
  1118
blanchet@48975
  1119
    val (((((((((((sumx, sumx'), (kks, kks')), (kl, kl')), (kl_copy, kl'_copy)), (Kl, Kl')),
blanchet@48975
  1120
      (lab, lab')), (Kl_lab, Kl_lab')), xs), (Lev_rec, Lev_rec')), (rv_rec, rv_rec')),
blanchet@48975
  1121
      names_lthy) = names_lthy
blanchet@48975
  1122
      |> yield_singleton (apfst (op ~~) oo mk_Frees' "sumx") sum_sbdT
blanchet@48975
  1123
      ||>> mk_Frees' "k" sbdTs
blanchet@48975
  1124
      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "kl") sum_sbd_listT
blanchet@48975
  1125
      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "kl") sum_sbd_listT
blanchet@48975
  1126
      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "Kl") sum_sbd_list_setT
blanchet@48975
  1127
      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "lab") (sum_sbd_listT --> sbdFT)
blanchet@48975
  1128
      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "Kl_lab") treeT
blanchet@48975
  1129
      ||>> mk_Frees "x" bdFTs
blanchet@48975
  1130
      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "rec") Lev_recT
blanchet@48975
  1131
      ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "rec") rv_recT;
blanchet@48975
  1132
blanchet@48975
  1133
    val (k, k') = (hd kks, hd kks')
blanchet@48975
  1134
blanchet@48975
  1135
    val timer = time (timer "Bounds");
blanchet@48975
  1136
blanchet@48975
  1137
    (* tree coalgebra *)
blanchet@48975
  1138
blanchet@48975
  1139
    fun isNode_bind i = Binding.suffix_name ("_" ^ isNodeN ^ (if n = 1 then "" else
blanchet@48975
  1140
      string_of_int i)) b;
blanchet@48975
  1141
    val isNode_name = Binding.name_of o isNode_bind;
blanchet@48975
  1142
    val isNode_def_bind = rpair [] o Thm.def_binding o isNode_bind;
blanchet@48975
  1143
blanchet@48975
  1144
    val isNodeT =
blanchet@48975
  1145
      Library.foldr (op -->) (map fastype_of (As @ [Kl, lab, kl]), HOLogic.boolT);
blanchet@48975
  1146
blanchet@48975
  1147
    val Succs = map3 (fn i => fn k => fn k' =>
blanchet@48975
  1148
      HOLogic.mk_Collect (fst k', snd k', HOLogic.mk_mem (mk_InN sbdTs k i, mk_Succ Kl kl)))
blanchet@48975
  1149
      ks kks kks';
blanchet@48975
  1150
blanchet@48975
  1151
    fun isNode_spec sets x i =
blanchet@48975
  1152
      let
blanchet@48975
  1153
        val (passive_sets, active_sets) = chop m (map (fn set => set $ x) sets);
blanchet@48975
  1154
        val lhs = Term.list_comb (Free (isNode_name i, isNodeT), As @ [Kl, lab, kl]);
blanchet@48975
  1155
        val rhs = list_exists_free [x]
blanchet@48975
  1156
          (Library.foldr1 HOLogic.mk_conj (HOLogic.mk_eq (lab $ kl, mk_InN bdFTs x i) ::
traytel@51893
  1157
          map2 mk_leq passive_sets As @ map2 (curry HOLogic.mk_eq) active_sets Succs));
blanchet@48975
  1158
      in
blanchet@49123
  1159
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  1160
      end;
blanchet@48975
  1161
blanchet@48975
  1162
    val ((isNode_frees, (_, isNode_def_frees)), (lthy, lthy_old)) =
blanchet@48975
  1163
      lthy
blanchet@48975
  1164
      |> fold_map3 (fn i => fn x => fn sets => Specification.definition
blanchet@48975
  1165
        (SOME (isNode_bind i, NONE, NoSyn), (isNode_def_bind i, isNode_spec sets x i)))
blanchet@48975
  1166
        ks xs isNode_setss
blanchet@48975
  1167
      |>> apsnd split_list o split_list
blanchet@48975
  1168
      ||> `Local_Theory.restore;
blanchet@48975
  1169
blanchet@48975
  1170
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
  1171
blanchet@48975
  1172
    val isNode_defs = map (Morphism.thm phi) isNode_def_frees;
blanchet@48975
  1173
    val isNodes = map (fst o Term.dest_Const o Morphism.term phi) isNode_frees;
blanchet@48975
  1174
blanchet@48975
  1175
    fun mk_isNode As kl i =
blanchet@48975
  1176
      Term.list_comb (Const (nth isNodes (i - 1), isNodeT), As @ [Kl, lab, kl]);
blanchet@48975
  1177
blanchet@48975
  1178
    val isTree =
blanchet@48975
  1179
      let
blanchet@48975
  1180
        val empty = HOLogic.mk_mem (HOLogic.mk_list sum_sbdT [], Kl);
traytel@51893
  1181
        val Field = mk_leq Kl (mk_Field (mk_clists sum_sbd));
blanchet@48975
  1182
        val prefCl = mk_prefCl Kl;
blanchet@48975
  1183
blanchet@48975
  1184
        val tree = mk_Ball Kl (Term.absfree kl'
blanchet@48975
  1185
          (HOLogic.mk_conj
blanchet@48975
  1186
            (Library.foldr1 HOLogic.mk_disj (map (mk_isNode As kl) ks),
blanchet@48975
  1187
            Library.foldr1 HOLogic.mk_conj (map4 (fn Succ => fn i => fn k => fn k' =>
blanchet@48975
  1188
              mk_Ball Succ (Term.absfree k' (mk_isNode As
blanchet@48975
  1189
                (mk_append (kl, HOLogic.mk_list sum_sbdT [mk_InN sbdTs k i])) i)))
blanchet@48975
  1190
            Succs ks kks kks'))));
blanchet@48975
  1191
blanchet@48975
  1192
        val undef = list_all_free [kl] (HOLogic.mk_imp
blanchet@48975
  1193
          (HOLogic.mk_not (HOLogic.mk_mem (kl, Kl)),
blanchet@48975
  1194
          HOLogic.mk_eq (lab $ kl, mk_undefined sbdFT)));
blanchet@48975
  1195
      in
blanchet@48975
  1196
        Library.foldr1 HOLogic.mk_conj [empty, Field, prefCl, tree, undef]
blanchet@48975
  1197
      end;
blanchet@48975
  1198
blanchet@48975
  1199
    fun carT_bind i = Binding.suffix_name ("_" ^ carTN ^ (if n = 1 then "" else
blanchet@48975
  1200
      string_of_int i)) b;
blanchet@48975
  1201
    val carT_name = Binding.name_of o carT_bind;
blanchet@48975
  1202
    val carT_def_bind = rpair [] o Thm.def_binding o carT_bind;
blanchet@48975
  1203
blanchet@48975
  1204
    fun carT_spec i =
blanchet@48975
  1205
      let
blanchet@48975
  1206
        val carTT = Library.foldr (op -->) (ATs, HOLogic.mk_setT treeT);
blanchet@48975
  1207
blanchet@48975
  1208
        val lhs = Term.list_comb (Free (carT_name i, carTT), As);
blanchet@48975
  1209
        val rhs = HOLogic.mk_Collect (fst Kl_lab', snd Kl_lab', list_exists_free [Kl, lab]
blanchet@48975
  1210
          (HOLogic.mk_conj (HOLogic.mk_eq (Kl_lab, HOLogic.mk_prod (Kl, lab)),
blanchet@48975
  1211
            HOLogic.mk_conj (isTree, mk_isNode As (HOLogic.mk_list sum_sbdT []) i))));
blanchet@48975
  1212
      in
blanchet@49123
  1213
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  1214
      end;
blanchet@48975
  1215
blanchet@48975
  1216
    val ((carT_frees, (_, carT_def_frees)), (lthy, lthy_old)) =
blanchet@48975
  1217
      lthy
blanchet@48975
  1218
      |> fold_map (fn i => Specification.definition
blanchet@48975
  1219
        (SOME (carT_bind i, NONE, NoSyn), (carT_def_bind i, carT_spec i))) ks
blanchet@48975
  1220
      |>> apsnd split_list o split_list
blanchet@48975
  1221
      ||> `Local_Theory.restore;
blanchet@48975
  1222
blanchet@48975
  1223
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
  1224
blanchet@48975
  1225
    val carT_defs = map (Morphism.thm phi) carT_def_frees;
blanchet@48975
  1226
    val carTs = map (fst o Term.dest_Const o Morphism.term phi) carT_frees;
blanchet@48975
  1227
blanchet@48975
  1228
    fun mk_carT As i = Term.list_comb
blanchet@48975
  1229
      (Const (nth carTs (i - 1),
blanchet@48975
  1230
         Library.foldr (op -->) (map fastype_of As, HOLogic.mk_setT treeT)), As);
blanchet@48975
  1231
blanchet@48975
  1232
    fun strT_bind i = Binding.suffix_name ("_" ^ strTN ^ (if n = 1 then "" else
blanchet@48975
  1233
      string_of_int i)) b;
blanchet@48975
  1234
    val strT_name = Binding.name_of o strT_bind;
blanchet@48975
  1235
    val strT_def_bind = rpair [] o Thm.def_binding o strT_bind;
blanchet@48975
  1236
blanchet@48975
  1237
    fun strT_spec mapFT FT i =
blanchet@48975
  1238
      let
blanchet@48975
  1239
        val strTT = treeT --> FT;
blanchet@48975
  1240
blanchet@48975
  1241
        fun mk_f i k k' =
blanchet@48975
  1242
          let val in_k = mk_InN sbdTs k i;
blanchet@48975
  1243
          in Term.absfree k' (HOLogic.mk_prod (mk_Shift Kl in_k, mk_shift lab in_k)) end;
blanchet@48975
  1244
blanchet@48975
  1245
        val f = Term.list_comb (mapFT, passive_ids @ map3 mk_f ks kks kks');
blanchet@48975
  1246
        val (fTs1, fTs2) = apsnd tl (chop (i - 1) (map (fn T => T --> FT) bdFTs));
blanchet@48975
  1247
        val fs = map mk_undefined fTs1 @ (f :: map mk_undefined fTs2);
blanchet@48975
  1248
        val lhs = Free (strT_name i, strTT);
blanchet@48975
  1249
        val rhs = HOLogic.mk_split (Term.absfree Kl' (Term.absfree lab'
blanchet@48975
  1250
          (mk_sum_caseN fs $ (lab $ HOLogic.mk_list sum_sbdT []))));
blanchet@48975
  1251
      in
blanchet@49123
  1252
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  1253
      end;
blanchet@48975
  1254
blanchet@48975
  1255
    val ((strT_frees, (_, strT_def_frees)), (lthy, lthy_old)) =
blanchet@48975
  1256
      lthy
blanchet@48975
  1257
      |> fold_map3 (fn i => fn mapFT => fn FT => Specification.definition
blanchet@48975
  1258
        (SOME (strT_bind i, NONE, NoSyn), (strT_def_bind i, strT_spec mapFT FT i)))
blanchet@48975
  1259
        ks tree_maps treeFTs
blanchet@48975
  1260
      |>> apsnd split_list o split_list
blanchet@48975
  1261
      ||> `Local_Theory.restore;
blanchet@48975
  1262
blanchet@48975
  1263
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
  1264
blanchet@48975
  1265
    val strT_defs = map ((fn def => trans OF [def RS fun_cong, @{thm prod.cases}]) o
blanchet@48975
  1266
      Morphism.thm phi) strT_def_frees;
blanchet@48975
  1267
    val strTs = map (fst o Term.dest_Const o Morphism.term phi) strT_frees;
blanchet@48975
  1268
blanchet@48975
  1269
    fun mk_strT FT i = Const (nth strTs (i - 1), treeT --> FT);
blanchet@48975
  1270
blanchet@48975
  1271
    val carTAs = map (mk_carT As) ks;
blanchet@48975
  1272
    val carTAs_copy = map (mk_carT As_copy) ks;
blanchet@48975
  1273
    val strTAs = map2 mk_strT treeFTs ks;
blanchet@48975
  1274
    val hset_strTss = map (fn i => map2 (mk_hset strTAs i) ls passiveAs) ks;
blanchet@48975
  1275
blanchet@48975
  1276
    val coalgT_thm =
wenzelm@51551
  1277
      Goal.prove_sorry lthy [] []
blanchet@48975
  1278
        (fold_rev Logic.all As (HOLogic.mk_Trueprop (mk_coalg As carTAs strTAs)))
blanchet@51766
  1279
        (mk_coalgT_tac m (coalg_def :: isNode_defs @ carT_defs) strT_defs set_map'ss)
traytel@49109
  1280
      |> Thm.close_derivation;
blanchet@48975
  1281
blanchet@48975
  1282
    val card_of_carT_thms =
blanchet@48975
  1283
      let
blanchet@48975
  1284
        val lhs = mk_card_of
blanchet@48975
  1285
          (HOLogic.mk_Collect (fst Kl_lab', snd Kl_lab', list_exists_free [Kl, lab]
blanchet@48975
  1286
            (HOLogic.mk_conj (HOLogic.mk_eq (Kl_lab, HOLogic.mk_prod (Kl, lab)), isTree))));
blanchet@48975
  1287
        val rhs = mk_cexp
blanchet@48975
  1288
          (if m = 0 then ctwo else
blanchet@48975
  1289
            (mk_csum (Library.foldr1 (uncurry mk_csum) (map mk_card_of As)) ctwo))
blanchet@48975
  1290
            (mk_cexp sbd sbd);
blanchet@48975
  1291
        val card_of_carT =
wenzelm@51551
  1292
          Goal.prove_sorry lthy [] []
blanchet@48975
  1293
            (fold_rev Logic.all As (HOLogic.mk_Trueprop (mk_ordLeq lhs rhs)))
wenzelm@51798
  1294
            (K (mk_card_of_carT_tac lthy m isNode_defs sbd_sbd_thm
blanchet@48975
  1295
              sbd_card_order sbd_Card_order sbd_Cinfinite sbd_Cnotzero in_sbds))
traytel@49109
  1296
          |> Thm.close_derivation
blanchet@48975
  1297
      in
blanchet@48975
  1298
        map (fn def => @{thm ordLeq_transitive[OF
blanchet@48975
  1299
          card_of_mono1[OF ord_eq_le_trans[OF _ Collect_restrict']]]} OF [def, card_of_carT])
blanchet@48975
  1300
        carT_defs
blanchet@48975
  1301
      end;
blanchet@48975
  1302
blanchet@48975
  1303
    val carT_set_thmss =
blanchet@48975
  1304
      let
blanchet@48975
  1305
        val Kl_lab = HOLogic.mk_prod (Kl, lab);
blanchet@48975
  1306
        fun mk_goal carT strT set k i =
blanchet@48975
  1307
          fold_rev Logic.all (sumx :: Kl :: lab :: k :: kl :: As)
blanchet@48975
  1308
            (Logic.list_implies (map HOLogic.mk_Trueprop
blanchet@48975
  1309
              [HOLogic.mk_mem (Kl_lab, carT), HOLogic.mk_mem (mk_Cons sumx kl, Kl),
blanchet@48975
  1310
              HOLogic.mk_eq (sumx, mk_InN sbdTs k i)],
blanchet@48975
  1311
            HOLogic.mk_Trueprop (HOLogic.mk_mem
blanchet@48975
  1312
              (HOLogic.mk_prod (mk_Shift Kl sumx, mk_shift lab sumx),
blanchet@48975
  1313
              set $ (strT $ Kl_lab)))));
blanchet@48975
  1314
blanchet@48975
  1315
        val goalss = map3 (fn carT => fn strT => fn sets =>
blanchet@48975
  1316
          map3 (mk_goal carT strT) (drop m sets) kks ks) carTAs strTAs tree_setss;
blanchet@48975
  1317
      in
blanchet@51766
  1318
        map6 (fn i => fn goals => fn carT_def => fn strT_def => fn isNode_def => fn set_maps =>
blanchet@51766
  1319
          map2 (fn goal => fn set_map =>
wenzelm@51551
  1320
            Goal.prove_sorry lthy [] [] goal
blanchet@51766
  1321
              (mk_carT_set_tac n i carT_def strT_def isNode_def set_map)
traytel@49109
  1322
            |> Thm.close_derivation)
blanchet@51766
  1323
          goals (drop m set_maps))
blanchet@51766
  1324
        ks goalss carT_defs strT_defs isNode_defs set_map'ss
blanchet@48975
  1325
      end;
blanchet@48975
  1326
blanchet@48975
  1327
    val carT_set_thmss' = transpose carT_set_thmss;
blanchet@48975
  1328
blanchet@48975
  1329
    val isNode_hset_thmss =
blanchet@48975
  1330
      let
blanchet@48975
  1331
        val Kl_lab = HOLogic.mk_prod (Kl, lab);
blanchet@48975
  1332
        fun mk_Kl_lab carT = HOLogic.mk_mem (Kl_lab, carT);
blanchet@48975
  1333
blanchet@48975
  1334
        val strT_hset_thmsss =
blanchet@48975
  1335
          let
blanchet@48975
  1336
            val strT_hset_thms =
blanchet@48975
  1337
              let
blanchet@48975
  1338
                fun mk_lab_kl i x = HOLogic.mk_eq (lab $ kl, mk_InN bdFTs x i);
blanchet@48975
  1339
blanchet@48975
  1340
                fun mk_inner_conjunct j T i x set i' carT =
blanchet@48975
  1341
                  HOLogic.mk_imp (HOLogic.mk_conj (mk_Kl_lab carT, mk_lab_kl i x),
traytel@51893
  1342
                    mk_leq (set $ x) (mk_hset strTAs i' j T $ Kl_lab));
blanchet@48975
  1343
blanchet@48975
  1344
                fun mk_conjunct j T i x set =
blanchet@48975
  1345
                  Library.foldr1 HOLogic.mk_conj (map2 (mk_inner_conjunct j T i x set) ks carTAs);
blanchet@48975
  1346
blanchet@48975
  1347
                fun mk_concl j T = list_all_free (Kl :: lab :: xs @ As)
blanchet@48975
  1348
                  (HOLogic.mk_imp (HOLogic.mk_mem (kl, Kl),
blanchet@48975
  1349
                    Library.foldr1 HOLogic.mk_conj (map3 (mk_conjunct j T)
blanchet@48975
  1350
                      ks xs (map (fn xs => nth xs (j - 1)) isNode_setss))));
blanchet@48975
  1351
                val concls = map2 mk_concl ls passiveAs;
blanchet@48975
  1352
blanchet@48975
  1353
                val cTs = [SOME (certifyT lthy sum_sbdT)];
blanchet@48975
  1354
                val arg_cong_cTs = map (SOME o certifyT lthy) treeFTs;
blanchet@48975
  1355
                val ctss =
blanchet@48975
  1356
                  map (fn phi => map (SOME o certify lthy) [Term.absfree kl' phi, kl]) concls;
blanchet@48975
  1357
blanchet@48975
  1358
                val goals = map HOLogic.mk_Trueprop concls;
blanchet@48975
  1359
              in
blanchet@48975
  1360
                map5 (fn j => fn goal => fn cts => fn set_incl_hsets => fn set_hset_incl_hsetss =>
blanchet@48975
  1361
                  singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
  1362
                    (Goal.prove_sorry lthy [] [] goal
wenzelm@51798
  1363
                      (K (mk_strT_hset_tac lthy n m j arg_cong_cTs cTs cts
blanchet@48975
  1364
                        carT_defs strT_defs isNode_defs
blanchet@48975
  1365
                        set_incl_hsets set_hset_incl_hsetss coalg_set_thmss' carT_set_thmss'
blanchet@51766
  1366
                        coalgT_thm set_map'ss)))
traytel@49109
  1367
                  |> Thm.close_derivation)
blanchet@48975
  1368
                ls goals ctss set_incl_hset_thmss' set_hset_incl_hset_thmsss''
blanchet@48975
  1369
              end;
blanchet@48975
  1370
blanchet@48975
  1371
            val strT_hset'_thms = map (fn thm => mk_specN (2 + n + m) thm RS mp) strT_hset_thms;
blanchet@48975
  1372
          in
blanchet@48975
  1373
            map (fn thm => map (fn i => map (fn i' =>
blanchet@48975
  1374
              thm RS mk_conjunctN n i RS mk_conjunctN n i' RS mp) ks) ks) strT_hset'_thms
blanchet@48975
  1375
          end;
blanchet@48975
  1376
blanchet@48975
  1377
        val carT_prems = map (fn carT =>
blanchet@48975
  1378
          HOLogic.mk_Trueprop (HOLogic.mk_mem (Kl_lab, carT))) carTAs_copy;
blanchet@48975
  1379
        val prem = HOLogic.mk_Trueprop (HOLogic.mk_mem (kl, Kl));
blanchet@48975
  1380
        val in_prems = map (fn hsets =>
blanchet@48975
  1381
          HOLogic.mk_Trueprop (HOLogic.mk_mem (Kl_lab, mk_in As hsets treeT))) hset_strTss;
blanchet@48975
  1382
        val isNode_premss = replicate n (map (HOLogic.mk_Trueprop o mk_isNode As_copy kl) ks);
blanchet@48975
  1383
        val conclss = replicate n (map (HOLogic.mk_Trueprop o mk_isNode As kl) ks);
blanchet@48975
  1384
      in
blanchet@48975
  1385
        map5 (fn carT_prem => fn isNode_prems => fn in_prem => fn concls => fn strT_hset_thmss =>
blanchet@48975
  1386
          map4 (fn isNode_prem => fn concl => fn isNode_def => fn strT_hset_thms =>
wenzelm@51551
  1387
            Goal.prove_sorry lthy [] []
traytel@49109
  1388
              (fold_rev Logic.all (Kl :: lab :: kl :: As @ As_copy)
traytel@49109
  1389
                (Logic.list_implies ([carT_prem, prem, isNode_prem, in_prem], concl)))
traytel@49109
  1390
              (mk_isNode_hset_tac n isNode_def strT_hset_thms)
traytel@49109
  1391
            |> Thm.close_derivation)
blanchet@48975
  1392
          isNode_prems concls isNode_defs
blanchet@48975
  1393
          (if m = 0 then replicate n [] else transpose strT_hset_thmss))
blanchet@48975
  1394
        carT_prems isNode_premss in_prems conclss
blanchet@48975
  1395
        (if m = 0 then replicate n [] else transpose (map transpose strT_hset_thmsss))
blanchet@48975
  1396
      end;
blanchet@48975
  1397
blanchet@48975
  1398
    val timer = time (timer "Tree coalgebra");
blanchet@48975
  1399
blanchet@48975
  1400
    fun mk_to_sbd s x i i' =
blanchet@48975
  1401
      mk_toCard (nth (nth setssAs (i - 1)) (m + i' - 1) $ (s $ x)) sbd;
blanchet@48975
  1402
    fun mk_from_sbd s x i i' =
blanchet@48975
  1403
      mk_fromCard (nth (nth setssAs (i - 1)) (m + i' - 1) $ (s $ x)) sbd;
blanchet@48975
  1404
blanchet@48975
  1405
    fun mk_to_sbd_thmss thm = map (map (fn set_sbd =>
blanchet@48975
  1406
      thm OF [set_sbd, sbd_Card_order]) o drop m) set_sbdss;
blanchet@48975
  1407
blanchet@48975
  1408
    val to_sbd_inj_thmss = mk_to_sbd_thmss @{thm toCard_inj};
blanchet@48975
  1409
    val to_sbd_thmss = mk_to_sbd_thmss @{thm toCard};
blanchet@48975
  1410
    val from_to_sbd_thmss = mk_to_sbd_thmss @{thm fromCard_toCard};
blanchet@48975
  1411
blanchet@48975
  1412
    val Lev_bind = Binding.suffix_name ("_" ^ LevN) b;
blanchet@48975
  1413
    val Lev_name = Binding.name_of Lev_bind;
blanchet@48975
  1414
    val Lev_def_bind = rpair [] (Thm.def_binding Lev_bind);
blanchet@48975
  1415
blanchet@48975
  1416
    val Lev_spec =
blanchet@48975
  1417
      let
blanchet@48975
  1418
        fun mk_Suc i s setsAs a a' =
blanchet@48975
  1419
          let
blanchet@48975
  1420
            val sets = drop m setsAs;
blanchet@48975
  1421
            fun mk_set i' set b =
blanchet@48975
  1422
              let
blanchet@48975
  1423
                val Cons = HOLogic.mk_eq (kl_copy,
blanchet@48975
  1424
                  mk_Cons (mk_InN sbdTs (mk_to_sbd s a i i' $ b) i') kl)
blanchet@48975
  1425
                val b_set = HOLogic.mk_mem (b, set $ (s $ a));
blanchet@48975
  1426
                val kl_rec = HOLogic.mk_mem (kl, mk_nthN n Lev_rec i' $ b);
blanchet@48975
  1427
              in
blanchet@48975
  1428
                HOLogic.mk_Collect (fst kl'_copy, snd kl'_copy, list_exists_free [b, kl]
blanchet@48975
  1429
                  (HOLogic.mk_conj (Cons, HOLogic.mk_conj (b_set, kl_rec))))
blanchet@48975
  1430
              end;
blanchet@48975
  1431
          in
blanchet@48975
  1432
            Term.absfree a' (Library.foldl1 mk_union (map3 mk_set ks sets zs_copy))
blanchet@48975
  1433
          end;
blanchet@48975
  1434
blanchet@48975
  1435
        val Suc = Term.absdummy HOLogic.natT (Term.absfree Lev_rec'
blanchet@48975
  1436
          (HOLogic.mk_tuple (map5 mk_Suc ks ss setssAs zs zs')));
blanchet@48975
  1437
blanchet@48975
  1438
        val lhs = Term.list_comb (Free (Lev_name, LevT), ss);
blanchet@48975
  1439
        val rhs = mk_nat_rec Zero Suc;
blanchet@48975
  1440
      in
blanchet@49123
  1441
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  1442
      end;
blanchet@48975
  1443
blanchet@48975
  1444
    val ((Lev_free, (_, Lev_def_free)), (lthy, lthy_old)) =
blanchet@48975
  1445
      lthy
blanchet@48975
  1446
      |> Specification.definition (SOME (Lev_bind, NONE, NoSyn), (Lev_def_bind, Lev_spec))
blanchet@48975
  1447
      ||> `Local_Theory.restore;
blanchet@48975
  1448
blanchet@48975
  1449
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
  1450
blanchet@48975
  1451
    val Lev_def = Morphism.thm phi Lev_def_free;
blanchet@48975
  1452
    val Lev = fst (Term.dest_Const (Morphism.term phi Lev_free));
blanchet@48975
  1453
blanchet@48975
  1454
    fun mk_Lev ss nat i =
blanchet@48975
  1455
      let
blanchet@48975
  1456
        val Ts = map fastype_of ss;
blanchet@48975
  1457
        val LevT = Library.foldr (op -->) (Ts, HOLogic.natT -->
blanchet@48975
  1458
          HOLogic.mk_tupleT (map (fn U => domain_type U --> sum_sbd_list_setT) Ts));
blanchet@48975
  1459
      in
blanchet@48975
  1460
        mk_nthN n (Term.list_comb (Const (Lev, LevT), ss) $ nat) i
blanchet@48975
  1461
      end;
blanchet@48975
  1462
blanchet@48975
  1463
    val Lev_0s = flat (mk_rec_simps n @{thm nat_rec_0} [Lev_def]);
blanchet@48975
  1464
    val Lev_Sucs = flat (mk_rec_simps n @{thm nat_rec_Suc} [Lev_def]);
blanchet@48975
  1465
blanchet@48975
  1466
    val rv_bind = Binding.suffix_name ("_" ^ rvN) b;
blanchet@48975
  1467
    val rv_name = Binding.name_of rv_bind;
blanchet@48975
  1468
    val rv_def_bind = rpair [] (Thm.def_binding rv_bind);
blanchet@48975
  1469
blanchet@48975
  1470
    val rv_spec =
blanchet@48975
  1471
      let
blanchet@48975
  1472
        fun mk_Cons i s b b' =
blanchet@48975
  1473
          let
blanchet@48975
  1474
            fun mk_case i' =
blanchet@48975
  1475
              Term.absfree k' (mk_nthN n rv_rec i' $ (mk_from_sbd s b i i' $ k));
blanchet@48975
  1476
          in
blanchet@48975
  1477
            Term.absfree b' (mk_sum_caseN (map mk_case ks) $ sumx)
blanchet@48975
  1478
          end;
blanchet@48975
  1479
blanchet@48975
  1480
        val Cons = Term.absfree sumx' (Term.absdummy sum_sbd_listT (Term.absfree rv_rec'
blanchet@48975
  1481
          (HOLogic.mk_tuple (map4 mk_Cons ks ss zs zs'))));
blanchet@48975
  1482
blanchet@48975
  1483
        val lhs = Term.list_comb (Free (rv_name, rvT), ss);
blanchet@48975
  1484
        val rhs = mk_list_rec Nil Cons;
blanchet@48975
  1485
      in
blanchet@49123
  1486
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  1487
      end;
blanchet@48975
  1488
blanchet@48975
  1489
    val ((rv_free, (_, rv_def_free)), (lthy, lthy_old)) =
blanchet@48975
  1490
      lthy
blanchet@48975
  1491
      |> Specification.definition (SOME (rv_bind, NONE, NoSyn), (rv_def_bind, rv_spec))
blanchet@48975
  1492
      ||> `Local_Theory.restore;
blanchet@48975
  1493
blanchet@48975
  1494
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
  1495
blanchet@48975
  1496
    val rv_def = Morphism.thm phi rv_def_free;
blanchet@48975
  1497
    val rv = fst (Term.dest_Const (Morphism.term phi rv_free));
blanchet@48975
  1498
blanchet@48975
  1499
    fun mk_rv ss kl i =
blanchet@48975
  1500
      let
blanchet@48975
  1501
        val Ts = map fastype_of ss;
blanchet@48975
  1502
        val As = map domain_type Ts;
blanchet@48975
  1503
        val rvT = Library.foldr (op -->) (Ts, fastype_of kl -->
blanchet@48975
  1504
          HOLogic.mk_tupleT (map (fn U => U --> mk_sumTN As) As));
blanchet@48975
  1505
      in
blanchet@48975
  1506
        mk_nthN n (Term.list_comb (Const (rv, rvT), ss) $ kl) i
blanchet@48975
  1507
      end;
blanchet@48975
  1508
blanchet@48975
  1509
    val rv_Nils = flat (mk_rec_simps n @{thm list_rec_Nil} [rv_def]);
blanchet@48975
  1510
    val rv_Conss = flat (mk_rec_simps n @{thm list_rec_Cons} [rv_def]);
blanchet@48975
  1511
blanchet@48975
  1512
    fun beh_bind i = Binding.suffix_name ("_" ^ behN ^ (if n = 1 then "" else
blanchet@48975
  1513
      string_of_int i)) b;
blanchet@48975
  1514
    val beh_name = Binding.name_of o beh_bind;
blanchet@48975
  1515
    val beh_def_bind = rpair [] o Thm.def_binding o beh_bind;
blanchet@48975
  1516
blanchet@48975
  1517
    fun beh_spec i z =
blanchet@48975
  1518
      let
blanchet@48975
  1519
        val mk_behT = Library.foldr (op -->) (map fastype_of (ss @ [z]), treeT);
blanchet@48975
  1520
blanchet@48975
  1521
        fun mk_case i to_sbd_map s k k' =
blanchet@48975
  1522
          Term.absfree k' (mk_InN bdFTs
blanchet@48975
  1523
            (Term.list_comb (to_sbd_map, passive_ids @ map (mk_to_sbd s k i) ks) $ (s $ k)) i);
blanchet@48975
  1524
blanchet@48975
  1525
        val Lab = Term.absfree kl' (mk_If
blanchet@48975
  1526
          (HOLogic.mk_mem (kl, mk_Lev ss (mk_size kl) i $ z))
blanchet@48975
  1527
          (mk_sum_caseN (map5 mk_case ks to_sbd_maps ss zs zs') $ (mk_rv ss kl i $ z))
blanchet@48975
  1528
          (mk_undefined sbdFT));
blanchet@48975
  1529
blanchet@48975
  1530
        val lhs = Term.list_comb (Free (beh_name i, mk_behT), ss) $ z;
blanchet@48975
  1531
        val rhs = HOLogic.mk_prod (mk_UNION (HOLogic.mk_UNIV HOLogic.natT)
blanchet@48975
  1532
          (Term.absfree nat' (mk_Lev ss nat i $ z)), Lab);
blanchet@48975
  1533
      in
blanchet@49123
  1534
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  1535
      end;
blanchet@48975
  1536
blanchet@48975
  1537
    val ((beh_frees, (_, beh_def_frees)), (lthy, lthy_old)) =
blanchet@48975
  1538
      lthy
blanchet@48975
  1539
      |> fold_map2 (fn i => fn z => Specification.definition
blanchet@48975
  1540
        (SOME (beh_bind i, NONE, NoSyn), (beh_def_bind i, beh_spec i z))) ks zs
blanchet@48975
  1541
      |>> apsnd split_list o split_list
blanchet@48975
  1542
      ||> `Local_Theory.restore;
blanchet@48975
  1543
blanchet@48975
  1544
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@48975
  1545
blanchet@48975
  1546
    val beh_defs = map (Morphism.thm phi) beh_def_frees;
blanchet@48975
  1547
    val behs = map (fst o Term.dest_Const o Morphism.term phi) beh_frees;
blanchet@48975
  1548
blanchet@48975
  1549
    fun mk_beh ss i =
blanchet@48975
  1550
      let
blanchet@48975
  1551
        val Ts = map fastype_of ss;
blanchet@48975
  1552
        val behT = Library.foldr (op -->) (Ts, nth activeAs (i - 1) --> treeT);
blanchet@48975
  1553
      in
blanchet@48975
  1554
        Term.list_comb (Const (nth behs (i - 1), behT), ss)
blanchet@48975
  1555
      end;
blanchet@48975
  1556
blanchet@48975
  1557
    val Lev_sbd_thms =
blanchet@48975
  1558
      let
traytel@51893
  1559
        fun mk_conjunct i z = mk_leq (mk_Lev ss nat i $ z) (mk_Field (mk_clists sum_sbd));
blanchet@48975
  1560
        val goal = list_all_free zs
blanchet@48975
  1561
          (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
blanchet@48975
  1562
blanchet@48975
  1563
        val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
blanchet@48975
  1564
blanchet@48975
  1565
        val Lev_sbd = singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
  1566
          (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
wenzelm@51798
  1567
            (K (mk_Lev_sbd_tac lthy cts Lev_0s Lev_Sucs to_sbd_thmss))
traytel@49109
  1568
          |> Thm.close_derivation);
blanchet@48975
  1569
blanchet@48975
  1570
        val Lev_sbd' = mk_specN n Lev_sbd;
blanchet@48975
  1571
      in
blanchet@48975
  1572
        map (fn i => Lev_sbd' RS mk_conjunctN n i) ks
blanchet@48975
  1573
      end;
blanchet@48975
  1574
blanchet@48975
  1575
    val (length_Lev_thms, length_Lev'_thms) =
blanchet@48975
  1576
      let
blanchet@48975
  1577
        fun mk_conjunct i z = HOLogic.mk_imp (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z),
blanchet@48975
  1578
          HOLogic.mk_eq (mk_size kl, nat));
blanchet@48975
  1579
        val goal = list_all_free (kl :: zs)
blanchet@48975
  1580
          (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
blanchet@48975
  1581
blanchet@48975
  1582
        val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
blanchet@48975
  1583
blanchet@48975
  1584
        val length_Lev = singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
  1585
          (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
wenzelm@51798
  1586
            (K (mk_length_Lev_tac lthy cts Lev_0s Lev_Sucs))
traytel@49109
  1587
          |> Thm.close_derivation);
blanchet@48975
  1588
blanchet@48975
  1589
        val length_Lev' = mk_specN (n + 1) length_Lev;
blanchet@48975
  1590
        val length_Levs = map (fn i => length_Lev' RS mk_conjunctN n i RS mp) ks;
blanchet@48975
  1591
blanchet@48975
  1592
        fun mk_goal i z = fold_rev Logic.all (z :: kl :: nat :: ss) (Logic.mk_implies
blanchet@48975
  1593
            (HOLogic.mk_Trueprop (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z)),
blanchet@48975
  1594
            HOLogic.mk_Trueprop (HOLogic.mk_mem (kl, mk_Lev ss (mk_size kl) i $ z))));
blanchet@48975
  1595
        val goals = map2 mk_goal ks zs;
blanchet@48975
  1596
blanchet@48975
  1597
        val length_Levs' = map2 (fn goal => fn length_Lev =>
wenzelm@51551
  1598
          Goal.prove_sorry lthy [] [] goal (K (mk_length_Lev'_tac length_Lev))
traytel@49109
  1599
          |> Thm.close_derivation) goals length_Levs;
blanchet@48975
  1600
      in
blanchet@48975
  1601
        (length_Levs, length_Levs')
blanchet@48975
  1602
      end;
blanchet@48975
  1603
blanchet@48975
  1604
    val prefCl_Lev_thms =
blanchet@48975
  1605
      let
blanchet@48975
  1606
        fun mk_conjunct i z = HOLogic.mk_imp
traytel@50058
  1607
          (HOLogic.mk_conj (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z), mk_prefixeq kl_copy kl),
blanchet@48975
  1608
          HOLogic.mk_mem (kl_copy, mk_Lev ss (mk_size kl_copy) i $ z));
blanchet@48975
  1609
        val goal = list_all_free (kl :: kl_copy :: zs)
blanchet@48975
  1610
          (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
blanchet@48975
  1611
blanchet@48975
  1612
        val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
blanchet@48975
  1613
blanchet@48975
  1614
        val prefCl_Lev = singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
  1615
          (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
wenzelm@51798
  1616
            (K (mk_prefCl_Lev_tac lthy cts Lev_0s Lev_Sucs)))
traytel@49109
  1617
          |> Thm.close_derivation;
blanchet@48975
  1618
blanchet@48975
  1619
        val prefCl_Lev' = mk_specN (n + 2) prefCl_Lev;
blanchet@48975
  1620
      in
blanchet@48975
  1621
        map (fn i => prefCl_Lev' RS mk_conjunctN n i RS mp) ks
blanchet@48975
  1622
      end;
blanchet@48975
  1623
blanchet@48975
  1624
    val rv_last_thmss =
blanchet@48975
  1625
      let
blanchet@48975
  1626
        fun mk_conjunct i z i' z_copy = list_exists_free [z_copy]
blanchet@48975
  1627
          (HOLogic.mk_eq
blanchet@48975
  1628
            (mk_rv ss (mk_append (kl, HOLogic.mk_list sum_sbdT [mk_InN sbdTs k i'])) i $ z,
blanchet@48975
  1629
            mk_InN activeAs z_copy i'));
blanchet@48975
  1630
        val goal = list_all_free (k :: zs)
blanchet@48975
  1631
          (Library.foldr1 HOLogic.mk_conj (map2 (fn i => fn z =>
blanchet@48975
  1632
            Library.foldr1 HOLogic.mk_conj
blanchet@48975
  1633
              (map2 (mk_conjunct i z) ks zs_copy)) ks zs));
blanchet@48975
  1634
blanchet@48975
  1635
        val cTs = [SOME (certifyT lthy sum_sbdT)];
blanchet@48975
  1636
        val cts = map (SOME o certify lthy) [Term.absfree kl' goal, kl];
blanchet@48975
  1637
blanchet@48975
  1638
        val rv_last = singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
  1639
          (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
traytel@49109
  1640
            (K (mk_rv_last_tac cTs cts rv_Nils rv_Conss)))
traytel@49109
  1641
          |> Thm.close_derivation;
blanchet@48975
  1642
blanchet@48975
  1643
        val rv_last' = mk_specN (n + 1) rv_last;
blanchet@48975
  1644
      in
blanchet@48975
  1645
        map (fn i => map (fn i' => rv_last' RS mk_conjunctN n i RS mk_conjunctN n i') ks) ks
blanchet@48975
  1646
      end;
blanchet@48975
  1647
blanchet@48975
  1648
    val set_rv_Lev_thmsss = if m = 0 then replicate n (replicate n []) else
blanchet@48975
  1649
      let
blanchet@48975
  1650
        fun mk_case s sets z z_free = Term.absfree z_free (Library.foldr1 HOLogic.mk_conj
traytel@51893
  1651
          (map2 (fn set => fn A => mk_leq (set $ (s $ z)) A) (take m sets) As));
blanchet@48975
  1652
blanchet@48975
  1653
        fun mk_conjunct i z B = HOLogic.mk_imp
blanchet@48975
  1654
          (HOLogic.mk_conj (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z), HOLogic.mk_mem (z, B)),
blanchet@48975
  1655
          mk_sum_caseN (map4 mk_case ss setssAs zs zs') $ (mk_rv ss kl i $ z));
blanchet@48975
  1656
blanchet@48975
  1657
        val goal = list_all_free (kl :: zs)
blanchet@48975
  1658
          (Library.foldr1 HOLogic.mk_conj (map3 mk_conjunct ks zs Bs));
blanchet@48975
  1659
blanchet@48975
  1660
        val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
blanchet@48975
  1661
blanchet@48975
  1662
        val set_rv_Lev = singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
  1663
          (Goal.prove_sorry lthy [] []
blanchet@48975
  1664
            (Logic.mk_implies (coalg_prem, HOLogic.mk_Trueprop goal))
wenzelm@51798
  1665
            (K (mk_set_rv_Lev_tac lthy m cts Lev_0s Lev_Sucs rv_Nils rv_Conss
traytel@49109
  1666
              coalg_set_thmss from_to_sbd_thmss)))
traytel@49109
  1667
          |> Thm.close_derivation;
blanchet@48975
  1668
blanchet@48975
  1669
        val set_rv_Lev' = mk_specN (n + 1) set_rv_Lev;
blanchet@48975
  1670
      in
blanchet@48975
  1671
        map (fn i => map (fn i' =>
blanchet@48975
  1672
          split_conj_thm (if n = 1 then set_rv_Lev' RS mk_conjunctN n i RS mp
blanchet@48975
  1673
            else set_rv_Lev' RS mk_conjunctN n i RS mp RSN
blanchet@49327
  1674
              (2, @{thm sum_case_weak_cong} RS @{thm subst[of _ _ "%x. x"]}) RS
blanchet@48975
  1675
              (mk_sum_casesN n i' RS @{thm subst[of _ _ "%x. x"]}))) ks) ks
blanchet@48975
  1676
      end;
blanchet@48975
  1677
blanchet@48975
  1678
    val set_Lev_thmsss =
blanchet@48975
  1679
      let
blanchet@48975
  1680
        fun mk_conjunct i z =
blanchet@48975
  1681
          let
blanchet@48975
  1682
            fun mk_conjunct' i' sets s z' =
blanchet@48975
  1683
              let
blanchet@48975
  1684
                fun mk_conjunct'' i'' set z'' = HOLogic.mk_imp
blanchet@48975
  1685
                  (HOLogic.mk_mem (z'', set $ (s $ z')),
blanchet@48975
  1686
                    HOLogic.mk_mem (mk_append (kl,
blanchet@48975
  1687
                      HOLogic.mk_list sum_sbdT [mk_InN sbdTs (mk_to_sbd s z' i' i'' $ z'') i'']),
blanchet@48975
  1688
                      mk_Lev ss (HOLogic.mk_Suc nat) i $ z));
blanchet@48975
  1689
              in
blanchet@48975
  1690
                HOLogic.mk_imp (HOLogic.mk_eq (mk_rv ss kl i $ z, mk_InN activeAs z' i'),
blanchet@48975
  1691
                  (Library.foldr1 HOLogic.mk_conj (map3 mk_conjunct'' ks (drop m sets) zs_copy2)))
blanchet@48975
  1692
              end;
blanchet@48975
  1693
          in
blanchet@48975
  1694
            HOLogic.mk_imp (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z),
blanchet@48975
  1695
              Library.foldr1 HOLogic.mk_conj (map4 mk_conjunct' ks setssAs ss zs_copy))
blanchet@48975
  1696
          end;
blanchet@48975
  1697
blanchet@48975
  1698
        val goal = list_all_free (kl :: zs @ zs_copy @ zs_copy2)
blanchet@48975
  1699
          (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
blanchet@48975
  1700
blanchet@48975
  1701
        val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
blanchet@48975
  1702
blanchet@48975
  1703
        val set_Lev = singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
  1704
          (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
wenzelm@51798
  1705
            (K (mk_set_Lev_tac lthy cts Lev_0s Lev_Sucs rv_Nils rv_Conss from_to_sbd_thmss)))
traytel@49109
  1706
          |> Thm.close_derivation;
blanchet@48975
  1707
blanchet@48975
  1708
        val set_Lev' = mk_specN (3 * n + 1) set_Lev;
blanchet@48975
  1709
      in
blanchet@48975
  1710
        map (fn i => map (fn i' => map (fn i'' => set_Lev' RS
blanchet@48975
  1711
          mk_conjunctN n i RS mp RS
blanchet@48975
  1712
          mk_conjunctN n i' RS mp RS
blanchet@48975
  1713
          mk_conjunctN n i'' RS mp) ks) ks) ks
blanchet@48975
  1714
      end;
blanchet@48975
  1715
blanchet@48975
  1716
    val set_image_Lev_thmsss =
blanchet@48975
  1717
      let
blanchet@48975
  1718
        fun mk_conjunct i z =
blanchet@48975
  1719
          let
blanchet@48975
  1720
            fun mk_conjunct' i' sets =
blanchet@48975
  1721
              let
blanchet@48975
  1722
                fun mk_conjunct'' i'' set s z'' = HOLogic.mk_imp
blanchet@48975
  1723
                  (HOLogic.mk_eq (mk_rv ss kl i $ z, mk_InN activeAs z'' i''),
blanchet@48975
  1724
                  HOLogic.mk_mem (k, mk_image (mk_to_sbd s z'' i'' i') $ (set $ (s $ z''))));
blanchet@48975
  1725
              in
blanchet@48975
  1726
                HOLogic.mk_imp (HOLogic.mk_mem
blanchet@48975
  1727
                  (mk_append (kl, HOLogic.mk_list sum_sbdT [mk_InN sbdTs k i']),
blanchet@48975
  1728
                    mk_Lev ss (HOLogic.mk_Suc nat) i $ z),
blanchet@48975
  1729
                  (Library.foldr1 HOLogic.mk_conj (map4 mk_conjunct'' ks sets ss zs_copy)))
blanchet@48975
  1730
              end;
blanchet@48975
  1731
          in
blanchet@48975
  1732
            HOLogic.mk_imp (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z),
blanchet@48975
  1733
              Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct' ks (drop m setssAs')))
blanchet@48975
  1734
          end;
blanchet@48975
  1735
blanchet@48975
  1736
        val goal = list_all_free (kl :: k :: zs @ zs_copy)
blanchet@48975
  1737
          (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
blanchet@48975
  1738
blanchet@48975
  1739
        val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
blanchet@48975
  1740
blanchet@48975
  1741
        val set_image_Lev = singleton (Proof_Context.export names_lthy lthy)
wenzelm@51551
  1742
          (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
wenzelm@51798
  1743
            (K (mk_set_image_Lev_tac lthy cts Lev_0s Lev_Sucs rv_Nils rv_Conss
traytel@49109
  1744
              from_to_sbd_thmss to_sbd_inj_thmss)))
traytel@49109
  1745
          |> Thm.close_derivation;
blanchet@48975
  1746
blanchet@48975
  1747
        val set_image_Lev' = mk_specN (2 * n + 2) set_image_Lev;
blanchet@48975
  1748
      in
blanchet@48975
  1749
        map (fn i => map (fn i' => map (fn i'' => set_image_Lev' RS
blanchet@48975
  1750
          mk_conjunctN n i RS mp RS
blanchet@48975
  1751
          mk_conjunctN n i'' RS mp RS
blanchet@48975
  1752
          mk_conjunctN n i' RS mp) ks) ks) ks
blanchet@48975
  1753
      end;
blanchet@48975
  1754
blanchet@48975
  1755
    val mor_beh_thm =
wenzelm@51551
  1756
      Goal.prove_sorry lthy [] []
blanchet@48975
  1757
        (fold_rev Logic.all (As @ Bs @ ss) (Logic.mk_implies (coalg_prem,
blanchet@48975
  1758
          HOLogic.mk_Trueprop (mk_mor Bs ss carTAs strTAs (map (mk_beh ss) ks)))))
blanchet@48975
  1759
        (mk_mor_beh_tac m mor_def mor_cong_thm
blanchet@48975
  1760
          beh_defs carT_defs strT_defs isNode_defs
blanchet@48975
  1761
          to_sbd_inj_thmss from_to_sbd_thmss Lev_0s Lev_Sucs rv_Nils rv_Conss Lev_sbd_thms
blanchet@48975
  1762
          length_Lev_thms length_Lev'_thms prefCl_Lev_thms rv_last_thmss
blanchet@48975
  1763
          set_rv_Lev_thmsss set_Lev_thmsss set_image_Lev_thmsss
blanchet@51766
  1764
          set_map'ss coalg_set_thmss map_comp_id_thms map_cong0s map_arg_cong_thms)
traytel@49109
  1765
      |> Thm.close_derivation;
blanchet@48975
  1766
blanchet@48975
  1767
    val timer = time (timer "Behavioral morphism");
blanchet@48975
  1768
blanchet@48975
  1769
    fun mk_LSBIS As i = mk_lsbis As (map (mk_carT As) ks) strTAs i;
blanchet@48975
  1770
    fun mk_car_final As i =
blanchet@48975
  1771
      mk_quotient (mk_carT As i) (mk_LSBIS As i);
blanchet@48975
  1772
    fun mk_str_final As i =
blanchet@48975
  1773
      mk_univ (HOLogic.mk_comp (Term.list_comb (nth final_maps (i - 1),
blanchet@48975
  1774
        passive_ids @ map (mk_proj o mk_LSBIS As) ks), nth strTAs (i - 1)));
blanchet@48975
  1775
blanchet@48975
  1776
    val car_finalAs = map (mk_car_final As) ks;
blanchet@48975
  1777
    val str_finalAs = map (mk_str_final As) ks;
blanchet@48975
  1778
    val car_finals = map (mk_car_final passive_UNIVs) ks;
blanchet@48975
  1779
    val str_finals = map (mk_str_final passive_UNIVs) ks;
blanchet@48975
  1780
blanchet@48975
  1781
    val coalgT_set_thmss = map (map (fn thm => coalgT_thm RS thm)) coalg_set_thmss;
blanchet@48975
  1782
    val equiv_LSBIS_thms = map (fn thm => coalgT_thm RS thm) equiv_lsbis_thms;
blanchet@48975
  1783
blanchet@48975
  1784
    val congruent_str_final_thms =
blanchet@48975
  1785
      let
blanchet@48975
  1786
        fun mk_goal R final_map strT =
blanchet@48975
  1787
          fold_rev Logic.all As (HOLogic.mk_Trueprop
blanchet@48975
  1788
            (mk_congruent R (HOLogic.mk_comp
blanchet@48975
  1789
              (Term.list_comb (final_map, passive_ids @ map (mk_proj o mk_LSBIS As) ks), strT))));
blanchet@48975
  1790
blanchet@48975
  1791
        val goals = map3 mk_goal (map (mk_LSBIS As) ks) final_maps strTAs;
blanchet@48975
  1792
      in
blanchet@51761
  1793
        map4 (fn goal => fn lsbisE => fn map_comp_id => fn map_cong0 =>
wenzelm@51551
  1794
          Goal.prove_sorry lthy [] [] goal
blanchet@51761
  1795
            (K (mk_congruent_str_final_tac m lsbisE map_comp_id map_cong0 equiv_LSBIS_thms))
traytel@49109
  1796
          |> Thm.close_derivation)
blanchet@51761
  1797
        goals lsbisE_thms map_comp_id_thms map_cong0s
blanchet@48975
  1798
      end;
blanchet@48975
  1799
wenzelm@51551
  1800
    val coalg_final_thm = Goal.prove_sorry lthy [] [] (fold_rev Logic.all As
blanchet@48975
  1801
      (HOLogic.mk_Trueprop (mk_coalg As car_finalAs str_finalAs)))
blanchet@48975
  1802
      (K (mk_coalg_final_tac m coalg_def congruent_str_final_thms equiv_LSBIS_thms
blanchet@51766
  1803
        set_map'ss coalgT_set_thmss))
traytel@49109
  1804
      |> Thm.close_derivation;
blanchet@48975
  1805
wenzelm@51551
  1806
    val mor_T_final_thm = Goal.prove_sorry lthy [] [] (fold_rev Logic.all As
blanchet@48975
  1807
      (HOLogic.mk_Trueprop (mk_mor carTAs strTAs car_finalAs str_finalAs
blanchet@48975
  1808
        (map (mk_proj o mk_LSBIS As) ks))))
traytel@49109
  1809
      (K (mk_mor_T_final_tac mor_def congruent_str_final_thms equiv_LSBIS_thms))
traytel@49109
  1810
      |> Thm.close_derivation;
blanchet@48975
  1811
blanchet@48975
  1812
    val mor_final_thm = mor_comp_thm OF [mor_beh_thm, mor_T_final_thm];
blanchet@48975
  1813
    val in_car_final_thms = map (fn mor_image' => mor_image' OF
blanchet@48975
  1814
      [tcoalg_thm RS mor_final_thm, UNIV_I]) mor_image'_thms;
blanchet@48975
  1815
blanchet@48975
  1816
    val timer = time (timer "Final coalgebra");
blanchet@48975
  1817
blanchet@48975
  1818
    val ((T_names, (T_glob_infos, T_loc_infos)), lthy) =
blanchet@48975
  1819
      lthy
blanchet@49169
  1820
      |> fold_map4 (fn b => fn mx => fn car_final => fn in_car_final =>
wenzelm@49835
  1821
        typedef (b, params, mx) car_final NONE
blanchet@49169
  1822
          (EVERY' [rtac exI, rtac in_car_final] 1)) bs mixfixes car_finals in_car_final_thms
blanchet@48975
  1823
      |>> apsnd split_list o split_list;
blanchet@48975
  1824
blanchet@48975
  1825
    val Ts = map (fn name => Type (name, params')) T_names;
blanchet@48975
  1826
    fun mk_Ts passive = map (Term.typ_subst_atomic (passiveAs ~~ passive)) Ts;
blanchet@48975
  1827
    val Ts' = mk_Ts passiveBs;
blanchet@48975
  1828
    val Ts'' = mk_Ts passiveCs;
blanchet@48975
  1829
    val Rep_Ts = map2 (fn info => fn T => Const (#Rep_name info, T --> treeQT)) T_glob_infos Ts;
blanchet@48975
  1830
    val Abs_Ts = map2 (fn info => fn T => Const (#Abs_name info, treeQT --> T)) T_glob_infos Ts;
blanchet@48975
  1831
blanchet@48975
  1832
    val Reps = map #Rep T_loc_infos;
blanchet@48975
  1833
    val Rep_injects = map #Rep_inject T_loc_infos;
blanchet@48975
  1834
    val Rep_inverses = map #Rep_inverse T_loc_infos;
blanchet@48975
  1835
    val Abs_inverses = map #Abs_inverse T_loc_infos;
blanchet@48975
  1836
blanchet@48975
  1837
    val timer = time (timer "THE TYPEDEFs & Rep/Abs thms");
blanchet@48975
  1838
blanchet@48975
  1839
    val UNIVs = map HOLogic.mk_UNIV Ts;
blanchet@48975
  1840
    val FTs = mk_FTs (passiveAs @ Ts);
blanchet@48975
  1841
    val FTs' = mk_FTs (passiveBs @ Ts);
blanchet@48975
  1842
    val prodTs = map (HOLogic.mk_prodT o `I) Ts;
blanchet@48975
  1843
    val prodFTs = mk_FTs (passiveAs @ prodTs);
blanchet@48975
  1844
    val FTs_setss = mk_setss (passiveAs @ Ts);
blanchet@48975
  1845
    val prodFT_setss = mk_setss (passiveAs @ prodTs);
blanchet@48975
  1846
    val map_FTs = map2 (fn Ds => mk_map_of_bnf Ds treeQTs (passiveAs @ Ts)) Dss bnfs;
blanchet@48975
  1847
    val map_FT_nths = map2 (fn Ds =>
blanchet@48975
  1848
      mk_map_of_bnf Ds (passiveAs @ prodTs) (passiveAs @ Ts)) Dss bnfs;
blanchet@48975
  1849
    val fstsTs = map fst_const prodTs;
blanchet@48975
  1850
    val sndsTs = map snd_const prodTs;
blanchet@49501
  1851
    val dtorTs = map2 (curry (op -->)) Ts FTs;
blanchet@49501
  1852
    val ctorTs = map2 (curry (op -->)) FTs Ts;
blanchet@49504
  1853
    val unfold_fTs = map2 (curry op -->) activeAs Ts;
blanchet@48975
  1854
    val corec_sTs = map (Term.typ_subst_atomic (activeBs ~~ Ts)) sum_sTs;
blanchet@48975
  1855
    val corec_maps = map (Term.subst_atomic_types (activeBs ~~ Ts)) map_Inls;
blanchet@48975
  1856
    val corec_maps_rev = map (Term.subst_atomic_types (activeBs ~~ Ts)) map_Inls_rev;
blanchet@48975
  1857
    val corec_Inls = map (Term.subst_atomic_types (activeBs ~~ Ts)) Inls;
traytel@51739
  1858
    val corec_UNIVs = map2 (HOLogic.mk_UNIV oo curry mk_sumT) Ts activeAs;
blanchet@48975
  1859
traytel@51925
  1860
    val ((((((((((((((Jzs, Jzs'), (Jz's, Jz's')), Jzs_copy), Jz's_copy), Jzs1), Jzs2), Jpairs),
blanchet@49504
  1861
      FJzs), TRs), unfold_fs), unfold_fs_copy), corec_ss), phis), names_lthy) = names_lthy
blanchet@48975
  1862
      |> mk_Frees' "z" Ts
traytel@51925
  1863
      ||>> mk_Frees' "y" Ts'
traytel@51925
  1864
      ||>> mk_Frees "z'" Ts
traytel@51925
  1865
      ||>> mk_Frees "y'" Ts'
blanchet@48975
  1866
      ||>> mk_Frees "z1" Ts
blanchet@48975
  1867
      ||>> mk_Frees "z2" Ts
blanchet@48975
  1868
      ||>> mk_Frees "j" (map2 (curry HOLogic.mk_prodT) Ts Ts')
blanchet@48975
  1869
      ||>> mk_Frees "x" prodFTs
blanchet@49591
  1870
      ||>> mk_Frees "r" (map (mk_relT o `I) Ts)
blanchet@49504
  1871
      ||>> mk_Frees "f" unfold_fTs
blanchet@49504
  1872
      ||>> mk_Frees "g" unfold_fTs
blanchet@48975
  1873
      ||>> mk_Frees "s" corec_sTs
blanchet@49592
  1874
      ||>> mk_Frees "P" (map2 mk_pred2T Ts Ts);
blanchet@48975
  1875
blanchet@49501
  1876
    fun dtor_bind i = Binding.suffix_name ("_" ^ dtorN) (nth bs (i - 1));
blanchet@49501
  1877
    val dtor_name = Binding.name_of o dtor_bind;
blanchet@49501
  1878
    val dtor_def_bind = rpair [] o Thm.def_binding o dtor_bind;
blanchet@49501
  1879
blanchet@49501
  1880
    fun dtor_spec i rep str map_FT dtorT Jz Jz' =
blanchet@48975
  1881
      let
blanchet@49501
  1882
        val lhs = Free (dtor_name i, dtorT);
blanchet@48975
  1883
        val rhs = Term.absfree Jz'
blanchet@48975
  1884
          (Term.list_comb (map_FT, map HOLogic.id_const passiveAs @ Abs_Ts) $
blanchet@48975
  1885
            (str $ (rep $ Jz)));
blanchet@48975
  1886
      in
blanchet@49123
  1887
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  1888
      end;
blanchet@48975
  1889
blanchet@49501
  1890
    val ((dtor_frees, (_, dtor_def_frees)), (lthy, lthy_old)) =
blanchet@48975
  1891
      lthy
blanchet@49501
  1892
      |> fold_map7 (fn i => fn rep => fn str => fn mapx => fn dtorT => fn Jz => fn Jz' =>
blanchet@49501
  1893
        Specification.definition (SOME (dtor_bind i, NONE, NoSyn),
blanchet@49501
  1894
          (dtor_def_bind i, dtor_spec i rep str mapx dtorT Jz Jz')))
blanchet@49501
  1895
        ks Rep_Ts str_finals map_FTs dtorTs Jzs Jzs'
blanchet@48975
  1896
      |>> apsnd split_list o split_list
blanchet@48975
  1897
      ||> `Local_Theory.restore;
blanchet@48975
  1898
blanchet@48975
  1899
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@49501
  1900
    fun mk_dtors passive =
traytel@49185
  1901
      map (Term.subst_atomic_types (map (Morphism.typ phi) params' ~~ (mk_params passive)) o
blanchet@49501
  1902
        Morphism.term phi) dtor_frees;
blanchet@49501
  1903
    val dtors = mk_dtors passiveAs;
blanchet@49501
  1904
    val dtor's = mk_dtors passiveBs;
blanchet@49501
  1905
    val dtor_defs = map ((fn thm => thm RS fun_cong) o Morphism.thm phi) dtor_def_frees;
blanchet@48975
  1906
blanchet@48975
  1907
    val coalg_final_set_thmss = map (map (fn thm => coalg_final_thm RS thm)) coalg_set_thmss;
blanchet@48975
  1908
    val (mor_Rep_thm, mor_Abs_thm) =
blanchet@48975
  1909
      let
blanchet@48975
  1910
        val mor_Rep =
wenzelm@51551
  1911
          Goal.prove_sorry lthy [] []
blanchet@49501
  1912
            (HOLogic.mk_Trueprop (mk_mor UNIVs dtors car_finals str_finals Rep_Ts))
blanchet@49501
  1913
            (mk_mor_Rep_tac m (mor_def :: dtor_defs) Reps Abs_inverses coalg_final_set_thmss
blanchet@51761
  1914
              map_comp_id_thms map_cong0L_thms)
traytel@49109
  1915
          |> Thm.close_derivation;
blanchet@48975
  1916
blanchet@48975
  1917
        val mor_Abs =
wenzelm@51551
  1918
          Goal.prove_sorry lthy [] []
blanchet@49501
  1919
            (HOLogic.mk_Trueprop (mk_mor car_finals str_finals UNIVs dtors Abs_Ts))
blanchet@49501
  1920
            (mk_mor_Abs_tac (mor_def :: dtor_defs) Abs_inverses)
traytel@49109
  1921
          |> Thm.close_derivation;
blanchet@48975
  1922
      in
blanchet@48975
  1923
        (mor_Rep, mor_Abs)
blanchet@48975
  1924
      end;
blanchet@48975
  1925
blanchet@49501
  1926
    val timer = time (timer "dtor definitions & thms");
blanchet@49501
  1927
blanchet@49504
  1928
    fun unfold_bind i = Binding.suffix_name ("_" ^ dtor_unfoldN) (nth bs (i - 1));
blanchet@49504
  1929
    val unfold_name = Binding.name_of o unfold_bind;
blanchet@49504
  1930
    val unfold_def_bind = rpair [] o Thm.def_binding o unfold_bind;
blanchet@49504
  1931
blanchet@49504
  1932
    fun unfold_spec i T AT abs f z z' =
blanchet@48975
  1933
      let
blanchet@49504
  1934
        val unfoldT = Library.foldr (op -->) (sTs, AT --> T);
blanchet@49504
  1935
blanchet@49504
  1936
        val lhs = Term.list_comb (Free (unfold_name i, unfoldT), ss);
blanchet@48975
  1937
        val rhs = Term.absfree z' (abs $ (f $ z));
blanchet@48975
  1938
      in
blanchet@49123
  1939
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  1940
      end;
blanchet@48975
  1941
blanchet@49504
  1942
    val ((unfold_frees, (_, unfold_def_frees)), (lthy, lthy_old)) =
blanchet@48975
  1943
      lthy
blanchet@48975
  1944
      |> fold_map7 (fn i => fn T => fn AT => fn abs => fn f => fn z => fn z' =>
blanchet@48975
  1945
        Specification.definition
blanchet@49504
  1946
          (SOME (unfold_bind i, NONE, NoSyn), (unfold_def_bind i, unfold_spec i T AT abs f z z')))
blanchet@48975
  1947
          ks Ts activeAs Abs_Ts (map (fn i => HOLogic.mk_comp
blanchet@48975
  1948
            (mk_proj (mk_LSBIS passive_UNIVs i), mk_beh ss i)) ks) zs zs'
blanchet@48975
  1949
      |>> apsnd split_list o split_list
blanchet@48975
  1950
      ||> `Local_Theory.restore;
blanchet@48975
  1951
blanchet@48975
  1952
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@49504
  1953
    val unfolds = map (Morphism.term phi) unfold_frees;
blanchet@49504
  1954
    val unfold_names = map (fst o dest_Const) unfolds;
blanchet@49504
  1955
    fun mk_unfold Ts ss i = Term.list_comb (Const (nth unfold_names (i - 1), Library.foldr (op -->)
blanchet@48975
  1956
      (map fastype_of ss, domain_type (fastype_of (nth ss (i - 1))) --> nth Ts (i - 1))), ss);
blanchet@49504
  1957
    val unfold_defs = map ((fn thm => thm RS fun_cong) o Morphism.thm phi) unfold_def_frees;
blanchet@49504
  1958
blanchet@49504
  1959
    val mor_unfold_thm =
blanchet@48975
  1960
      let
blanchet@48975
  1961
        val Abs_inverses' = map2 (curry op RS) in_car_final_thms Abs_inverses;
blanchet@48975
  1962
        val morEs' = map (fn thm =>
blanchet@48975
  1963
          (thm OF [tcoalg_thm RS mor_final_thm, UNIV_I]) RS sym) morE_thms;
blanchet@48975
  1964
      in
wenzelm@51551
  1965
        Goal.prove_sorry lthy [] []
blanchet@48975
  1966
          (fold_rev Logic.all ss
blanchet@49504
  1967
            (HOLogic.mk_Trueprop (mk_mor active_UNIVs ss UNIVs dtors (map (mk_unfold Ts ss) ks))))
blanchet@49504
  1968
          (K (mk_mor_unfold_tac m mor_UNIV_thm dtor_defs unfold_defs Abs_inverses' morEs'
blanchet@51761
  1969
            map_comp_id_thms map_cong0s))
traytel@49109
  1970
        |> Thm.close_derivation
blanchet@48975
  1971
      end;
blanchet@49504
  1972
    val dtor_unfold_thms = map (fn thm => (thm OF [mor_unfold_thm, UNIV_I]) RS sym) morE_thms;
blanchet@48975
  1973
blanchet@48975
  1974
    val (raw_coind_thms, raw_coind_thm) =
blanchet@48975
  1975
      let
blanchet@49501
  1976
        val prem = HOLogic.mk_Trueprop (mk_sbis passive_UNIVs UNIVs dtors TRs);
blanchet@48975
  1977
        val concl = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
traytel@51893
  1978
          (map2 (fn R => fn T => mk_leq R (Id_const T)) TRs Ts));
blanchet@48975
  1979
        val goal = fold_rev Logic.all TRs (Logic.mk_implies (prem, concl));
blanchet@48975
  1980
      in
wenzelm@51551
  1981
        `split_conj_thm (Goal.prove_sorry lthy [] [] goal
blanchet@48975
  1982
          (K (mk_raw_coind_tac bis_def bis_cong_thm bis_O_thm bis_converse_thm bis_Gr_thm
blanchet@48975
  1983
            tcoalg_thm coalgT_thm mor_T_final_thm sbis_lsbis_thm
traytel@49109
  1984
            lsbis_incl_thms incl_lsbis_thms equiv_LSBIS_thms mor_Rep_thm Rep_injects))
traytel@49109
  1985
          |> Thm.close_derivation)
blanchet@48975
  1986
      end;
blanchet@48975
  1987
blanchet@48975
  1988
    val unique_mor_thms =
blanchet@48975
  1989
      let
blanchet@48975
  1990
        val prems = [HOLogic.mk_Trueprop (mk_coalg passive_UNIVs Bs ss), HOLogic.mk_Trueprop
blanchet@49504
  1991
          (HOLogic.mk_conj (mk_mor Bs ss UNIVs dtors unfold_fs,
blanchet@49504
  1992
            mk_mor Bs ss UNIVs dtors unfold_fs_copy))];
blanchet@48975
  1993
        fun mk_fun_eq B f g z = HOLogic.mk_imp
blanchet@48975
  1994
          (HOLogic.mk_mem (z, B), HOLogic.mk_eq (f $ z, g $ z));
blanchet@48975
  1995
        val unique = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
blanchet@49504
  1996
          (map4 mk_fun_eq Bs unfold_fs unfold_fs_copy zs));
blanchet@48975
  1997
wenzelm@51551
  1998
        val unique_mor = Goal.prove_sorry lthy [] []
blanchet@49504
  1999
          (fold_rev Logic.all (Bs @ ss @ unfold_fs @ unfold_fs_copy @ zs)
blanchet@48975
  2000
            (Logic.list_implies (prems, unique)))
traytel@49109
  2001
          (K (mk_unique_mor_tac raw_coind_thms bis_image2_thm))
traytel@49109
  2002
          |> Thm.close_derivation;
blanchet@48975
  2003
      in
blanchet@48975
  2004
        map (fn thm => conjI RSN (2, thm RS mp)) (split_conj_thm unique_mor)
blanchet@48975
  2005
      end;
blanchet@48975
  2006
blanchet@49504
  2007
    val (unfold_unique_mor_thms, unfold_unique_mor_thm) =
blanchet@48975
  2008
      let
blanchet@49504
  2009
        val prem = HOLogic.mk_Trueprop (mk_mor active_UNIVs ss UNIVs dtors unfold_fs);
blanchet@49504
  2010
        fun mk_fun_eq f i = HOLogic.mk_eq (f, mk_unfold Ts ss i);
blanchet@48975
  2011
        val unique = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
blanchet@49504
  2012
          (map2 mk_fun_eq unfold_fs ks));
blanchet@48975
  2013
blanchet@48975
  2014
        val bis_thm = tcoalg_thm RSN (2, tcoalg_thm RS bis_image2_thm);
blanchet@48975
  2015
        val mor_thm = mor_comp_thm OF [tcoalg_thm RS mor_final_thm, mor_Abs_thm];
blanchet@48975
  2016
wenzelm@51551
  2017
        val unique_mor = Goal.prove_sorry lthy [] []
blanchet@49504
  2018
          (fold_rev Logic.all (ss @ unfold_fs) (Logic.mk_implies (prem, unique)))
blanchet@49504
  2019
          (K (mk_unfold_unique_mor_tac raw_coind_thms bis_thm mor_thm unfold_defs))
traytel@49109
  2020
          |> Thm.close_derivation;
blanchet@48975
  2021
      in
blanchet@48975
  2022
        `split_conj_thm unique_mor
blanchet@48975
  2023
      end;
blanchet@48975
  2024
blanchet@49504
  2025
    val (dtor_unfold_unique_thms, dtor_unfold_unique_thm) = `split_conj_thm (split_conj_prems n
blanchet@49504
  2026
      (mor_UNIV_thm RS @{thm ssubst[of _ _ "%x. x"]} RS unfold_unique_mor_thm));
blanchet@49504
  2027
blanchet@49504
  2028
    val unfold_dtor_thms = map (fn thm => mor_id_thm RS thm RS sym) unfold_unique_mor_thms;
blanchet@49504
  2029
blanchet@49504
  2030
    val unfold_o_dtor_thms =
blanchet@48975
  2031
      let
blanchet@49504
  2032
        val mor = mor_comp_thm OF [mor_str_thm, mor_unfold_thm];
blanchet@48975
  2033
      in
blanchet@49504
  2034
        map2 (fn unique => fn unfold_ctor =>
blanchet@49504
  2035
          trans OF [mor RS unique, unfold_ctor]) unfold_unique_mor_thms unfold_dtor_thms
blanchet@48975
  2036
      end;
blanchet@48975
  2037
blanchet@49504
  2038
    val timer = time (timer "unfold definitions & thms");
blanchet@48975
  2039
blanchet@49501
  2040
    val map_dtors = map2 (fn Ds => fn bnf =>
blanchet@48975
  2041
      Term.list_comb (mk_map_of_bnf Ds (passiveAs @ Ts) (passiveAs @ FTs) bnf,
blanchet@49501
  2042
        map HOLogic.id_const passiveAs @ dtors)) Dss bnfs;
blanchet@49501
  2043
blanchet@49501
  2044
    fun ctor_bind i = Binding.suffix_name ("_" ^ ctorN) (nth bs (i - 1));
blanchet@49501
  2045
    val ctor_name = Binding.name_of o ctor_bind;
blanchet@49501
  2046
    val ctor_def_bind = rpair [] o Thm.def_binding o ctor_bind;
blanchet@49501
  2047
blanchet@49501
  2048
    fun ctor_spec i ctorT =
blanchet@48975
  2049
      let
blanchet@49501
  2050
        val lhs = Free (ctor_name i, ctorT);
blanchet@49504
  2051
        val rhs = mk_unfold Ts map_dtors i;
blanchet@48975
  2052
      in
blanchet@49123
  2053
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  2054
      end;
blanchet@48975
  2055
blanchet@49501
  2056
    val ((ctor_frees, (_, ctor_def_frees)), (lthy, lthy_old)) =
blanchet@49311
  2057
      lthy
blanchet@49501
  2058
      |> fold_map2 (fn i => fn ctorT =>
blanchet@49311
  2059
        Specification.definition
blanchet@49501
  2060
          (SOME (ctor_bind i, NONE, NoSyn), (ctor_def_bind i, ctor_spec i ctorT))) ks ctorTs
blanchet@49311
  2061
      |>> apsnd split_list o split_list
blanchet@49311
  2062
      ||> `Local_Theory.restore;
blanchet@49311
  2063
blanchet@48975
  2064
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@49501
  2065
    fun mk_ctors params =
blanchet@48975
  2066
      map (Term.subst_atomic_types (map (Morphism.typ phi) params' ~~ params) o Morphism.term phi)
blanchet@49501
  2067
        ctor_frees;
blanchet@49501
  2068
    val ctors = mk_ctors params';
blanchet@49501
  2069
    val ctor_defs = map (Morphism.thm phi) ctor_def_frees;
blanchet@49501
  2070
blanchet@49504
  2071
    val ctor_o_dtor_thms = map2 (fold_thms lthy o single) ctor_defs unfold_o_dtor_thms;
blanchet@49501
  2072
blanchet@49501
  2073
    val dtor_o_ctor_thms =
blanchet@48975
  2074
      let
blanchet@49501
  2075
        fun mk_goal dtor ctor FT =
blanchet@49501
  2076
         mk_Trueprop_eq (HOLogic.mk_comp (dtor, ctor), HOLogic.id_const FT);
blanchet@49501
  2077
        val goals = map3 mk_goal dtors ctors FTs;
blanchet@48975
  2078
      in
blanchet@51761
  2079
        map5 (fn goal => fn ctor_def => fn unfold => fn map_comp_id => fn map_cong0L =>
wenzelm@51551
  2080
          Goal.prove_sorry lthy [] [] goal
blanchet@51761
  2081
            (mk_dtor_o_ctor_tac ctor_def unfold map_comp_id map_cong0L unfold_o_dtor_thms)
traytel@49109
  2082
          |> Thm.close_derivation)
blanchet@51761
  2083
          goals ctor_defs dtor_unfold_thms map_comp_id_thms map_cong0L_thms
blanchet@48975
  2084
      end;
blanchet@48975
  2085
blanchet@49501
  2086
    val dtor_ctor_thms = map (fn thm => thm RS @{thm pointfree_idE}) dtor_o_ctor_thms;
blanchet@49501
  2087
    val ctor_dtor_thms = map (fn thm => thm RS @{thm pointfree_idE}) ctor_o_dtor_thms;
blanchet@49501
  2088
blanchet@49501
  2089
    val bij_dtor_thms =
blanchet@49501
  2090
      map2 (fn thm1 => fn thm2 => @{thm o_bij} OF [thm1, thm2]) ctor_o_dtor_thms dtor_o_ctor_thms;
blanchet@49501
  2091
    val inj_dtor_thms = map (fn thm => thm RS @{thm bij_is_inj}) bij_dtor_thms;
blanchet@49501
  2092
    val surj_dtor_thms = map (fn thm => thm RS @{thm bij_is_surj}) bij_dtor_thms;
blanchet@49501
  2093
    val dtor_nchotomy_thms = map (fn thm => thm RS @{thm surjD}) surj_dtor_thms;
blanchet@49501
  2094
    val dtor_inject_thms = map (fn thm => thm RS @{thm inj_eq}) inj_dtor_thms;
blanchet@49501
  2095
    val dtor_exhaust_thms = map (fn thm => thm RS exE) dtor_nchotomy_thms;
blanchet@49501
  2096
blanchet@49501
  2097
    val bij_ctor_thms =
blanchet@49501
  2098
      map2 (fn thm1 => fn thm2 => @{thm o_bij} OF [thm1, thm2]) dtor_o_ctor_thms ctor_o_dtor_thms;
blanchet@49501
  2099
    val inj_ctor_thms = map (fn thm => thm RS @{thm bij_is_inj}) bij_ctor_thms;
blanchet@49501
  2100
    val surj_ctor_thms = map (fn thm => thm RS @{thm bij_is_surj}) bij_ctor_thms;
blanchet@49501
  2101
    val ctor_nchotomy_thms = map (fn thm => thm RS @{thm surjD}) surj_ctor_thms;
blanchet@49501
  2102
    val ctor_inject_thms = map (fn thm => thm RS @{thm inj_eq}) inj_ctor_thms;
blanchet@49501
  2103
    val ctor_exhaust_thms = map (fn thm => thm RS exE) ctor_nchotomy_thms;
blanchet@49501
  2104
blanchet@49504
  2105
    fun mk_ctor_dtor_unfold_like_thm dtor_inject dtor_ctor unfold =
blanchet@49504
  2106
      iffD1 OF [dtor_inject, trans OF [unfold, dtor_ctor RS sym]];
blanchet@49504
  2107
blanchet@49504
  2108
    val ctor_dtor_unfold_thms =
blanchet@49504
  2109
      map3 mk_ctor_dtor_unfold_like_thm dtor_inject_thms dtor_ctor_thms dtor_unfold_thms;
blanchet@49501
  2110
blanchet@49501
  2111
    val timer = time (timer "ctor definitions & thms");
blanchet@48975
  2112
blanchet@48975
  2113
    val corec_Inl_sum_thms =
blanchet@48975
  2114
      let
blanchet@49504
  2115
        val mor = mor_comp_thm OF [mor_sum_case_thm, mor_unfold_thm];
blanchet@48975
  2116
      in
blanchet@49504
  2117
        map2 (fn unique => fn unfold_dtor =>
blanchet@49504
  2118
          trans OF [mor RS unique, unfold_dtor]) unfold_unique_mor_thms unfold_dtor_thms
blanchet@48975
  2119
      end;
blanchet@48975
  2120
blanchet@49501
  2121
    fun corec_bind i = Binding.suffix_name ("_" ^ dtor_corecN) (nth bs (i - 1));
blanchet@48975
  2122
    val corec_name = Binding.name_of o corec_bind;
blanchet@48975
  2123
    val corec_def_bind = rpair [] o Thm.def_binding o corec_bind;
blanchet@48975
  2124
traytel@51739
  2125
    val corec_strs =
traytel@51739
  2126
      map3 (fn dtor => fn sum_s => fn mapx =>
traytel@51739
  2127
        mk_sum_case
traytel@51739
  2128
          (HOLogic.mk_comp (Term.list_comb (mapx, passive_ids @ corec_Inls), dtor), sum_s))
traytel@51739
  2129
      dtors corec_ss corec_maps;
traytel@51739
  2130
blanchet@48975
  2131
    fun corec_spec i T AT =
blanchet@48975
  2132
      let
blanchet@48975
  2133
        val corecT = Library.foldr (op -->) (corec_sTs, AT --> T);
blanchet@48975
  2134
blanchet@48975
  2135
        val lhs = Term.list_comb (Free (corec_name i, corecT), corec_ss);
traytel@51739
  2136
        val rhs = HOLogic.mk_comp (mk_unfold Ts corec_strs i, Inr_const T AT);
blanchet@48975
  2137
      in
blanchet@49123
  2138
        mk_Trueprop_eq (lhs, rhs)
blanchet@48975
  2139
      end;
blanchet@48975
  2140
blanchet@48975
  2141
    val ((corec_frees, (_, corec_def_frees)), (lthy, lthy_old)) =
blanchet@49311
  2142
      lthy
blanchet@49311
  2143
      |> fold_map3 (fn i => fn T => fn AT =>
blanchet@49311
  2144
        Specification.definition
blanchet@49311
  2145
          (SOME (corec_bind i, NONE, NoSyn), (corec_def_bind i, corec_spec i T AT)))
blanchet@49311
  2146
          ks Ts activeAs
blanchet@49311
  2147
      |>> apsnd split_list o split_list
blanchet@49311
  2148
      ||> `Local_Theory.restore;
blanchet@49311
  2149
blanchet@48975
  2150
    val phi = Proof_Context.export_morphism lthy_old lthy;
blanchet@49176
  2151
    val corecs = map (Morphism.term phi) corec_frees;
blanchet@49176
  2152
    val corec_names = map (fst o dest_Const) corecs;
blanchet@49176
  2153
    fun mk_corec ss i = Term.list_comb (Const (nth corec_names (i - 1), Library.foldr (op -->)
blanchet@48975
  2154
      (map fastype_of ss, domain_type (fastype_of (nth ss (i - 1))) --> nth Ts (i - 1))), ss);
blanchet@48975
  2155
    val corec_defs = map (Morphism.thm phi) corec_def_frees;
blanchet@48975
  2156
blanchet@48975
  2157
    val sum_cases =
blanchet@49255
  2158
      map2 (fn T => fn i => mk_sum_case (HOLogic.id_const T, mk_corec corec_ss i)) Ts ks;
blanchet@49504
  2159
    val dtor_corec_thms =
blanchet@48975
  2160
      let
blanchet@49501
  2161
        fun mk_goal i corec_s corec_map dtor z =
blanchet@48975
  2162
          let
blanchet@49501
  2163
            val lhs = dtor $ (mk_corec corec_ss i $ z);
blanchet@48975
  2164
            val rhs = Term.list_comb (corec_map, passive_ids @ sum_cases) $ (corec_s $ z);
blanchet@48975
  2165
          in
blanchet@49123
  2166
            fold_rev Logic.all (z :: corec_ss) (mk_Trueprop_eq (lhs, rhs))
blanchet@48975
  2167
          end;
blanchet@49501
  2168
        val goals = map5 mk_goal ks corec_ss corec_maps_rev dtors zs;
blanchet@48975
  2169
      in
blanchet@51761
  2170
        map3 (fn goal => fn unfold => fn map_cong0 =>
wenzelm@51551
  2171
          Goal.prove_sorry lthy [] [] goal
blanchet@51761
  2172
            (mk_corec_tac m corec_defs unfold map_cong0 corec_Inl_sum_thms)
traytel@49109
  2173
          |> Thm.close_derivation)
blanchet@51761
  2174
        goals dtor_unfold_thms map_cong0s
blanchet@48975
  2175
      end;
blanchet@48975
  2176
traytel@51739
  2177
    val corec_unique_mor_thm =
traytel@51739
  2178
      let
traytel@51739
  2179
        val id_fs = map2 (fn T => fn f => mk_sum_case (HOLogic.id_const T, f)) Ts unfold_fs;
traytel@51739
  2180
        val prem = HOLogic.mk_Trueprop (mk_mor corec_UNIVs corec_strs UNIVs dtors id_fs);
traytel@51739
  2181
        fun mk_fun_eq f i = HOLogic.mk_eq (f, mk_corec corec_ss i);
traytel@51739
  2182
        val unique = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
traytel@51739
  2183
          (map2 mk_fun_eq unfold_fs ks));
traytel@51739
  2184
      in
traytel@51739
  2185
        Goal.prove_sorry lthy [] []
traytel@51739
  2186
          (fold_rev Logic.all (corec_ss @ unfold_fs) (Logic.mk_implies (prem, unique)))
traytel@51739
  2187
          (mk_corec_unique_mor_tac corec_defs corec_Inl_sum_thms unfold_unique_mor_thm)
traytel@51739
  2188
          |> Thm.close_derivation
traytel@51739
  2189
      end;
traytel@51739
  2190
traytel@51739
  2191
    val dtor_corec_unique_thms =
traytel@51739
  2192
      split_conj_thm (split_conj_prems n
traytel@51739
  2193
        (mor_UNIV_thm RS @{thm ssubst[of _ _ "%x. x"]} RS corec_unique_mor_thm)
traytel@51739
  2194
        |> Local_Defs.unfold lthy (@{thms o_sum_case o_id id_o o_assoc sum_case_comp_Inl} @
traytel@51739
  2195
           map_ids @ sym_map_comps) OF replicate n @{thm arg_cong2[of _ _ _ _ sum_case, OF refl]});
traytel@51739
  2196
blanchet@49504
  2197
    val ctor_dtor_corec_thms =
blanchet@49504
  2198
      map3 mk_ctor_dtor_unfold_like_thm dtor_inject_thms dtor_ctor_thms dtor_corec_thms;
blanchet@49231
  2199
blanchet@48975
  2200
    val timer = time (timer "corec definitions & thms");
blanchet@48975
  2201
blanchet@49591
  2202
    (* TODO: Get rid of strong versions (since these can easily be derived from the weak ones). *)
traytel@51893
  2203
    val (dtor_map_coinduct_thm, coinduct_params, dtor_coinduct_thm,
traytel@51893
  2204
         dtor_map_strong_coinduct_thm, dtor_strong_coinduct_thm) =
blanchet@48975
  2205
      let
blanchet@48975
  2206
        val zs = Jzs1 @ Jzs2;
blanchet@48975
  2207
        val frees = phis @ zs;
blanchet@48975
  2208
blanchet@49591
  2209
        fun mk_phi strong_eq phi z1 z2 = if strong_eq
blanchet@48975
  2210
          then Term.absfree (dest_Free z1) (Term.absfree (dest_Free z2)
blanchet@48975
  2211
            (HOLogic.mk_disj (phi $ z1 $ z2, HOLogic.mk_eq (z1, z2))))
blanchet@48975
  2212
          else phi;
blanchet@48975
  2213
traytel@51893
  2214
        fun phi_rels strong_eq =
traytel@51893
  2215
          map3 (fn phi => fn z1 => fn z2 => mk_phi strong_eq phi z1 z2) phis Jzs1 Jzs2;
traytel@51893
  2216
traytel@51893
  2217
        val rels = map (Term.subst_atomic_types ((activeAs ~~ Ts) @ (activeBs ~~ Ts))) relsAsBs;
blanchet@48975
  2218
blanchet@48975
  2219
        fun mk_concl phi z1 z2 = HOLogic.mk_imp (phi $ z1 $ z2, HOLogic.mk_eq (z1, z2));
blanchet@48975
  2220
        val concl = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
blanchet@48975
  2221
          (map3 mk_concl phis Jzs1 Jzs2));
blanchet@48975
  2222
traytel@51893
  2223
        fun mk_rel_prem strong_eq phi dtor rel Jz Jz_copy =
blanchet@48975
  2224
          let
traytel@51893
  2225
            val concl = Term.list_comb (rel, map HOLogic.eq_const passiveAs @ phi_rels strong_eq) $
traytel@51893
  2226
              (dtor $ Jz) $ (dtor $ Jz_copy);
blanchet@48975
  2227
          in
blanchet@48975
  2228
            HOLogic.mk_Trueprop
blanchet@48975
  2229
              (list_all_free [Jz, Jz_copy] (HOLogic.mk_imp (phi $ Jz $ Jz_copy, concl)))
blanchet@48975
  2230
          end;
blanchet@48975
  2231
traytel@51893
  2232
        val rel_prems = map5 (mk_rel_prem false) phis dtors rels Jzs Jzs_copy;
traytel@51893
  2233
        val rel_strong_prems = map5 (mk_rel_prem true) phis dtors rels Jzs Jzs_copy;
traytel@51893
  2234
traytel@51893
  2235
        val dtor_coinduct_goal =
traytel@51893
  2236
          fold_rev Logic.all frees (Logic.list_implies (rel_prems, concl));
traytel@51893
  2237
        val coinduct_params = rev (Term.add_tfrees dtor_coinduct_goal []);
traytel@51893
  2238
traytel@51893
  2239
        val dtor_coinduct =
traytel@51893
  2240
          Goal.prove_sorry lthy [] [] dtor_coinduct_goal
traytel@51893
  2241
            (K (mk_dtor_coinduct_tac m raw_coind_thm bis_rel_thm rel_congs))
traytel@51893
  2242
          |> Thm.close_derivation;
blanchet@48975
  2243
blanchet@49591
  2244
        fun mk_prem strong_eq phi dtor map_nth sets Jz Jz_copy FJz =
blanchet@48975
  2245
          let
blanchet@48975
  2246
            val xs = [Jz, Jz_copy];
blanchet@48975
  2247