1 (* Title: HOL/BNF/Tools/bnf_gfp.ML
2 Author: Dmitriy Traytel, TU Muenchen
3 Author: Andrei Popescu, TU Muenchen
4 Author: Jasmin Blanchette, TU Muenchen
7 Codatatype construction.
12 val construct_gfp: mixfix list -> binding list -> binding list -> binding list list ->
13 binding list -> (string * sort) list -> typ list * typ list list -> BNF_Def.bnf list ->
14 local_theory -> BNF_FP_Util.fp_result * local_theory
17 structure BNF_GFP : BNF_GFP =
26 open BNF_GFP_Rec_Sugar
30 datatype wit_tree = Wit_Leaf of int | Wit_Node of (int * int * int list) * wit_tree list;
32 fun mk_tree_args (I, T) (I', Ts) = (sort_distinct int_ord (I @ I'), T :: Ts);
34 fun finish Iss m seen i (nwit, I) =
36 val treess = map (fn j =>
37 if j < m orelse member (op =) seen j then [([j], Wit_Leaf j)]
39 map_index (finish Iss m (insert (op =) j seen) j) (nth Iss (j - m))
44 map (fn (I, t) => (I, Wit_Node ((i - m, nwit, filter (fn i => i < m) I), t)))
45 (fold_rev (map_product mk_tree_args) treess [([], [])])
49 fun tree_to_ctor_wit vars _ _ (Wit_Leaf j) = ([j], nth vars j)
50 | tree_to_ctor_wit vars ctors witss (Wit_Node ((i, nwit, I), subtrees)) =
51 (I, nth ctors i $ (Term.list_comb (snd (nth (nth witss i) nwit),
52 map (snd o tree_to_ctor_wit vars ctors witss) subtrees)));
54 fun tree_to_coind_wits _ (Wit_Leaf _) = []
55 | tree_to_coind_wits lwitss (Wit_Node ((i, nwit, I), subtrees)) =
56 ((i, I), nth (nth lwitss i) nwit) :: maps (tree_to_coind_wits lwitss) subtrees;
58 (*all BNFs have the same lives*)
59 fun construct_gfp mixfixes map_bs rel_bs set_bss0 bs resBs (resDs, Dss) bnfs lthy =
62 val timer = time (Timer.startRealTimer ());
64 val live = live_of_bnf (hd bnfs);
65 val n = length bnfs; (*active*)
67 val m = live - n; (*passive, if 0 don't generate a new BNF*)
70 val note_all = Config.get lthy bnf_note_all;
71 val b_names = map Binding.name_of bs;
72 val b_name = mk_common_name b_names;
73 val b = Binding.name b_name;
74 val mk_internal_b = Binding.name #> Binding.prefix true b_name #> Binding.conceal;
75 fun mk_internal_bs name =
77 Binding.prefix true b_name (Binding.prefix_name (name ^ "_") b) |> Binding.conceal) bs;
78 val external_bs = map2 (Binding.prefix false) b_names bs
79 |> note_all = false ? map Binding.conceal;
81 (* TODO: check if m, n, etc., are sane *)
83 val deads = fold (union (op =)) Dss resDs;
84 val names_lthy = fold Variable.declare_typ deads lthy;
85 val passives = map fst (subtract (op = o apsnd TFree) deads resBs);
88 val ((((((((passiveAs, activeAs), passiveBs), activeBs), passiveCs), activeCs), passiveXs),
89 passiveYs), idxT) = names_lthy
90 |> variant_tfrees passives
92 ||>> variant_tfrees passives
101 val allAs = passiveAs @ activeAs;
102 val allBs' = passiveBs @ activeBs;
103 val Ass = replicate n allAs;
104 val allBs = passiveAs @ activeBs;
105 val Bss = replicate n allBs;
106 val allCs = passiveAs @ activeCs;
107 val allCs' = passiveBs @ activeCs;
108 val Css' = replicate n allCs';
112 map (fn x => if member (op =) deads (TFree x) then SOME (TFree x) else NONE) resBs;
113 fun mk_param NONE passive = (hd passive, tl passive)
114 | mk_param (SOME a) passive = (a, passive);
115 val mk_params = fold_map mk_param dead_poss #> fst;
117 fun mk_FTs Ts = map2 (fn Ds => mk_T_of_bnf Ds Ts) Dss bnfs;
118 val (params, params') = `(map Term.dest_TFree) (mk_params passiveAs);
119 val (dead_params, dead_params') = `(map Term.dest_TFree) (subtract (op =) passiveAs params');
120 val FTsAs = mk_FTs allAs;
121 val FTsBs = mk_FTs allBs;
122 val FTsCs = mk_FTs allCs;
123 val ATs = map HOLogic.mk_setT passiveAs;
124 val BTs = map HOLogic.mk_setT activeAs;
125 val B'Ts = map HOLogic.mk_setT activeBs;
126 val B''Ts = map HOLogic.mk_setT activeCs;
127 val sTs = map2 (fn T => fn U => T --> U) activeAs FTsAs;
128 val s'Ts = map2 (fn T => fn U => T --> U) activeBs FTsBs;
129 val s''Ts = map2 (fn T => fn U => T --> U) activeCs FTsCs;
130 val fTs = map2 (fn T => fn U => T --> U) activeAs activeBs;
131 val self_fTs = map (fn T => T --> T) activeAs;
132 val gTs = map2 (fn T => fn U => T --> U) activeBs activeCs;
133 val all_gTs = map2 (fn T => fn U => T --> U) allBs allCs';
134 val RTs = map2 (fn T => fn U => HOLogic.mk_prodT (T, U)) activeAs activeBs;
135 val sRTs = map2 (fn T => fn U => HOLogic.mk_prodT (T, U)) activeAs activeAs;
136 val R'Ts = map2 (fn T => fn U => HOLogic.mk_prodT (T, U)) activeBs activeCs;
137 val setsRTs = map HOLogic.mk_setT sRTs;
138 val setRTs = map HOLogic.mk_setT RTs;
139 val all_sbisT = HOLogic.mk_tupleT setsRTs;
140 val setR'Ts = map HOLogic.mk_setT R'Ts;
141 val FRTs = mk_FTs (passiveAs @ RTs);
142 val sumBsAs = map2 (curry mk_sumT) activeBs activeAs;
143 val sumFTs = mk_FTs (passiveAs @ sumBsAs);
144 val sum_sTs = map2 (fn T => fn U => T --> U) activeAs sumFTs;
147 val mapsAsAs = map4 mk_map_of_bnf Dss Ass Ass bnfs;
148 val mapsAsBs = map4 mk_map_of_bnf Dss Ass Bss bnfs;
149 val mapsBsCs' = map4 mk_map_of_bnf Dss Bss Css' bnfs;
150 val mapsAsCs' = map4 mk_map_of_bnf Dss Ass Css' bnfs;
151 val map_Inls = map4 mk_map_of_bnf Dss Bss (replicate n (passiveAs @ sumBsAs)) bnfs;
152 val map_Inls_rev = map4 mk_map_of_bnf Dss (replicate n (passiveAs @ sumBsAs)) Bss bnfs;
153 val map_fsts = map4 mk_map_of_bnf Dss (replicate n (passiveAs @ RTs)) Ass bnfs;
154 val map_snds = map4 mk_map_of_bnf Dss (replicate n (passiveAs @ RTs)) Bss bnfs;
155 fun mk_setss Ts = map3 mk_sets_of_bnf (map (replicate live) Dss)
156 (map (replicate live) (replicate n Ts)) bnfs;
157 val setssAs = mk_setss allAs;
158 val setssAs' = transpose setssAs;
159 val bis_setss = mk_setss (passiveAs @ RTs);
160 val relsAsBs = map4 mk_rel_of_bnf Dss Ass Bss bnfs;
161 val bds = map3 mk_bd_of_bnf Dss Ass bnfs;
162 val sum_bd = Library.foldr1 (uncurry mk_csum) bds;
163 val sum_bdT = fst (dest_relT (fastype_of sum_bd));
165 val emptys = map (fn T => HOLogic.mk_set T []) passiveAs;
166 val Zeros = map (fn empty =>
167 HOLogic.mk_tuple (map (fn U => absdummy U empty) activeAs)) emptys;
168 val hrecTs = map fastype_of Zeros;
169 val hsetTs = map (fn hrecT => Library.foldr (op -->) (sTs, HOLogic.natT --> hrecT)) hrecTs;
171 val ((((((((((((((((((((((((((((((((((zs, zs'), zs_copy), zs_copy2),
172 z's), As), Bs), Bs_copy), B's), B''s), ss), sum_ss), s's), s''s), fs), fs_copy),
173 self_fs), gs), all_gs), xFs), yFs), yFs_copy), RFs), (Rtuple, Rtuple')), (hrecs, hrecs')),
174 (nat, nat')), Rs), Rs_copy), R's), sRs), (idx, idx')), Idx), Ris), Kss), names_lthy) = lthy
175 |> mk_Frees' "b" activeAs
176 ||>> mk_Frees "b" activeAs
177 ||>> mk_Frees "b" activeAs
178 ||>> mk_Frees "b" activeBs
179 ||>> mk_Frees "A" ATs
180 ||>> mk_Frees "B" BTs
181 ||>> mk_Frees "B" BTs
182 ||>> mk_Frees "B'" B'Ts
183 ||>> mk_Frees "B''" B''Ts
184 ||>> mk_Frees "s" sTs
185 ||>> mk_Frees "sums" sum_sTs
186 ||>> mk_Frees "s'" s'Ts
187 ||>> mk_Frees "s''" s''Ts
188 ||>> mk_Frees "f" fTs
189 ||>> mk_Frees "f" fTs
190 ||>> mk_Frees "f" self_fTs
191 ||>> mk_Frees "g" gTs
192 ||>> mk_Frees "g" all_gTs
193 ||>> mk_Frees "x" FTsAs
194 ||>> mk_Frees "y" FTsBs
195 ||>> mk_Frees "y" FTsBs
196 ||>> mk_Frees "x" FRTs
197 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "Rtuple") all_sbisT
198 ||>> mk_Frees' "rec" hrecTs
199 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "n") HOLogic.natT
200 ||>> mk_Frees "R" setRTs
201 ||>> mk_Frees "R" setRTs
202 ||>> mk_Frees "R'" setR'Ts
203 ||>> mk_Frees "R" setsRTs
204 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "i") idxT
205 ||>> yield_singleton (mk_Frees "I") (HOLogic.mk_setT idxT)
206 ||>> mk_Frees "Ri" (map (fn T => idxT --> T) setRTs)
207 ||>> mk_Freess "K" (map (fn AT => map (fn T => T --> AT) activeAs) ATs);
209 val passive_UNIVs = map HOLogic.mk_UNIV passiveAs;
210 val passive_Id_ons = map mk_Id_on As;
211 val active_UNIVs = map HOLogic.mk_UNIV activeAs;
212 val sum_UNIVs = map HOLogic.mk_UNIV sumBsAs;
213 val passive_ids = map HOLogic.id_const passiveAs;
214 val active_ids = map HOLogic.id_const activeAs;
215 val Inls = map2 Inl_const activeBs activeAs;
216 val fsts = map fst_const RTs;
217 val snds = map snd_const RTs;
220 val bd_card_orders = map bd_card_order_of_bnf bnfs;
221 val bd_card_order = hd bd_card_orders
222 val bd_Card_orders = map bd_Card_order_of_bnf bnfs;
223 val bd_Card_order = hd bd_Card_orders;
224 val bd_Cinfinites = map bd_Cinfinite_of_bnf bnfs;
225 val bd_Cinfinite = hd bd_Cinfinites;
226 val in_monos = map in_mono_of_bnf bnfs;
227 val map_comp0s = map map_comp0_of_bnf bnfs;
228 val sym_map_comps = map mk_sym map_comp0s;
229 val map_comps = map map_comp_of_bnf bnfs;
230 val map_cong0s = map map_cong0_of_bnf bnfs;
231 val map_id0s = map map_id0_of_bnf bnfs;
232 val map_ids = map map_id_of_bnf bnfs;
233 val map_wpulls = map map_wpull_of_bnf bnfs;
234 val set_bdss = map set_bd_of_bnf bnfs;
235 val set_mapss = map set_map_of_bnf bnfs;
236 val rel_congs = map rel_cong_of_bnf bnfs;
237 val rel_converseps = map rel_conversep_of_bnf bnfs;
238 val rel_Grps = map rel_Grp_of_bnf bnfs;
239 val rel_OOs = map rel_OO_of_bnf bnfs;
240 val rel_OO_Grps = map rel_OO_Grp_of_bnf bnfs;
242 val timer = time (timer "Extracted terms & thms");
246 (*map g1 ... gm g(m+1) ... g(m+n) (map id ... id f(m+1) ... f(m+n) x) =
247 map g1 ... gm (g(m+1) o f(m+1)) ... (g(m+n) o f(m+n)) x*)
248 fun mk_map_comp_id x mapAsBs mapBsCs mapAsCs map_comp0 =
250 val lhs = Term.list_comb (mapBsCs, all_gs) $
251 (Term.list_comb (mapAsBs, passive_ids @ fs) $ x);
253 Term.list_comb (mapAsCs, take m all_gs @ map HOLogic.mk_comp (drop m all_gs ~~ fs)) $ x;
255 Goal.prove_sorry lthy [] []
256 (fold_rev Logic.all (x :: fs @ all_gs) (mk_Trueprop_eq (lhs, rhs)))
257 (K (mk_map_comp_id_tac map_comp0))
258 |> Thm.close_derivation
261 val map_comp_id_thms = map5 mk_map_comp_id xFs mapsAsBs mapsBsCs' mapsAsCs' map_comps;
263 (*forall a : set(m+1) x. f(m+1) a = a; ...; forall a : set(m+n) x. f(m+n) a = a ==>
264 map id ... id f(m+1) ... f(m+n) x = x*)
265 fun mk_map_cong0L x mapAsAs sets map_cong0 map_id =
267 fun mk_prem set f z z' =
269 (mk_Ball (set $ x) (Term.absfree z' (HOLogic.mk_eq (f $ z, z))));
270 val prems = map4 mk_prem (drop m sets) self_fs zs zs';
271 val goal = mk_Trueprop_eq (Term.list_comb (mapAsAs, passive_ids @ self_fs) $ x, x);
273 Goal.prove_sorry lthy [] []
274 (fold_rev Logic.all (x :: self_fs) (Logic.list_implies (prems, goal)))
275 (K (mk_map_cong0L_tac m map_cong0 map_id))
276 |> Thm.close_derivation
279 val map_cong0L_thms = map5 mk_map_cong0L xFs mapsAsAs setssAs map_cong0s map_ids;
280 val in_mono'_thms = map (fn thm =>
281 (thm OF (replicate m subset_refl)) RS @{thm set_mp}) in_monos;
283 val map_arg_cong_thms =
285 val prems = map2 (curry mk_Trueprop_eq) yFs yFs_copy;
286 val maps = map (fn mapx => Term.list_comb (mapx, all_gs)) mapsBsCs';
288 map3 (fn x => fn y => fn mapx => mk_Trueprop_eq (mapx $ x, mapx $ y)) yFs yFs_copy maps;
290 map4 (fn prem => fn concl => fn x => fn y =>
291 fold_rev Logic.all (x :: y :: all_gs) (Logic.mk_implies (prem, concl)))
292 prems concls yFs yFs_copy;
294 map (fn goal => Goal.prove_sorry lthy [] [] goal
295 (K ((hyp_subst_tac lthy THEN' rtac refl) 1)) |> Thm.close_derivation) goals
298 val timer = time (timer "Derived simple theorems");
302 val coalg_bind = mk_internal_b (coN ^ algN) ;
303 val coalg_name = Binding.name_of coalg_bind;
304 val coalg_def_bind = (Thm.def_binding coalg_bind, []);
306 (*forall i = 1 ... n: (\<forall>x \<in> Bi. si \<in> Fi_in A1 .. Am B1 ... Bn)*)
309 val coalgT = Library.foldr (op -->) (ATs @ BTs @ sTs, HOLogic.boolT);
311 val ins = map3 mk_in (replicate n (As @ Bs)) setssAs FTsAs;
312 fun mk_coalg_conjunct B s X z z' =
313 mk_Ball B (Term.absfree z' (HOLogic.mk_mem (s $ z, X)));
315 val lhs = Term.list_comb (Free (coalg_name, coalgT), As @ Bs @ ss);
316 val rhs = Library.foldr1 HOLogic.mk_conj (map5 mk_coalg_conjunct Bs ss ins zs zs')
318 mk_Trueprop_eq (lhs, rhs)
321 val ((coalg_free, (_, coalg_def_free)), (lthy, lthy_old)) =
323 |> Specification.definition (SOME (coalg_bind, NONE, NoSyn), (coalg_def_bind, coalg_spec))
324 ||> `Local_Theory.restore;
326 val phi = Proof_Context.export_morphism lthy_old lthy;
327 val coalg = fst (Term.dest_Const (Morphism.term phi coalg_free));
328 val coalg_def = Morphism.thm phi coalg_def_free;
330 fun mk_coalg As Bs ss =
332 val args = As @ Bs @ ss;
333 val Ts = map fastype_of args;
334 val coalgT = Library.foldr (op -->) (Ts, HOLogic.boolT);
336 Term.list_comb (Const (coalg, coalgT), args)
339 val coalg_prem = HOLogic.mk_Trueprop (mk_coalg As Bs ss);
341 val coalg_in_thms = map (fn i =>
342 coalg_def RS iffD1 RS mk_conjunctN n i RS bspec) ks
344 val coalg_set_thmss =
346 val coalg_prem = HOLogic.mk_Trueprop (mk_coalg As Bs ss);
347 fun mk_prem x B = HOLogic.mk_Trueprop (HOLogic.mk_mem (x, B));
348 fun mk_concl s x B set = HOLogic.mk_Trueprop (mk_leq (set $ (s $ x)) B);
349 val prems = map2 mk_prem zs Bs;
350 val conclss = map3 (fn s => fn x => fn sets => map2 (mk_concl s x) (As @ Bs) sets)
352 val goalss = map3 (fn x => fn prem => fn concls => map (fn concl =>
353 fold_rev Logic.all (x :: As @ Bs @ ss)
354 (Logic.list_implies (coalg_prem :: [prem], concl))) concls) zs prems conclss;
356 map (fn goals => map (fn goal => Goal.prove_sorry lthy [] [] goal
357 (K (mk_coalg_set_tac coalg_def)) |> Thm.close_derivation) goals) goalss
360 fun mk_tcoalg ATs BTs = mk_coalg (map HOLogic.mk_UNIV ATs) (map HOLogic.mk_UNIV BTs);
364 val goal = fold_rev Logic.all ss
365 (HOLogic.mk_Trueprop (mk_tcoalg passiveAs activeAs ss))
367 Goal.prove_sorry lthy [] [] goal
368 (K (stac coalg_def 1 THEN CONJ_WRAP
369 (K (EVERY' [rtac ballI, rtac CollectI,
370 CONJ_WRAP' (K (EVERY' [rtac @{thm subset_UNIV}])) allAs] 1)) ss))
371 |> Thm.close_derivation
374 val timer = time (timer "Coalgebra definition & thms");
378 val mor_bind = mk_internal_b morN;
379 val mor_name = Binding.name_of mor_bind;
380 val mor_def_bind = (Thm.def_binding mor_bind, []);
382 (*fbetw) forall i = 1 ... n: (\<forall>x \<in> Bi. fi x \<in> B'i)*)
383 (*mor) forall i = 1 ... n: (\<forall>x \<in> Bi.
384 Fi_map id ... id f1 ... fn (si x) = si' (fi x)*)
387 val morT = Library.foldr (op -->) (BTs @ sTs @ B'Ts @ s'Ts @ fTs, HOLogic.boolT);
389 fun mk_fbetw f B1 B2 z z' =
390 mk_Ball B1 (Term.absfree z' (HOLogic.mk_mem (f $ z, B2)));
391 fun mk_mor B mapAsBs f s s' z z' =
392 mk_Ball B (Term.absfree z' (HOLogic.mk_eq
393 (Term.list_comb (mapAsBs, passive_ids @ fs @ [s $ z]), s' $ (f $ z))));
394 val lhs = Term.list_comb (Free (mor_name, morT), Bs @ ss @ B's @ s's @ fs);
395 val rhs = HOLogic.mk_conj
396 (Library.foldr1 HOLogic.mk_conj (map5 mk_fbetw fs Bs B's zs zs'),
397 Library.foldr1 HOLogic.mk_conj (map7 mk_mor Bs mapsAsBs fs ss s's zs zs'))
399 mk_Trueprop_eq (lhs, rhs)
402 val ((mor_free, (_, mor_def_free)), (lthy, lthy_old)) =
404 |> Specification.definition (SOME (mor_bind, NONE, NoSyn), (mor_def_bind, mor_spec))
405 ||> `Local_Theory.restore;
407 val phi = Proof_Context.export_morphism lthy_old lthy;
408 val mor = fst (Term.dest_Const (Morphism.term phi mor_free));
409 val mor_def = Morphism.thm phi mor_def_free;
411 fun mk_mor Bs1 ss1 Bs2 ss2 fs =
413 val args = Bs1 @ ss1 @ Bs2 @ ss2 @ fs;
414 val Ts = map fastype_of (Bs1 @ ss1 @ Bs2 @ ss2 @ fs);
415 val morT = Library.foldr (op -->) (Ts, HOLogic.boolT);
417 Term.list_comb (Const (mor, morT), args)
420 val mor_prem = HOLogic.mk_Trueprop (mk_mor Bs ss B's s's fs);
422 val (mor_image_thms, morE_thms) =
424 val prem = HOLogic.mk_Trueprop (mk_mor Bs ss B's s's fs);
425 fun mk_image_goal f B1 B2 = fold_rev Logic.all (Bs @ ss @ B's @ s's @ fs)
426 (Logic.mk_implies (prem, HOLogic.mk_Trueprop (mk_leq (mk_image f $ B1) B2)));
427 val image_goals = map3 mk_image_goal fs Bs B's;
428 fun mk_elim_goal B mapAsBs f s s' x =
429 fold_rev Logic.all (x :: Bs @ ss @ B's @ s's @ fs)
430 (Logic.list_implies ([prem, HOLogic.mk_Trueprop (HOLogic.mk_mem (x, B))],
431 mk_Trueprop_eq (Term.list_comb (mapAsBs, passive_ids @ fs @ [s $ x]), s' $ (f $ x))));
432 val elim_goals = map6 mk_elim_goal Bs mapsAsBs fs ss s's zs;
434 Goal.prove_sorry lthy [] [] goal (K (mk_mor_elim_tac mor_def))
435 |> Thm.close_derivation;
437 (map prove image_goals, map prove elim_goals)
440 val mor_image'_thms = map (fn thm => @{thm set_mp} OF [thm, imageI]) mor_image_thms;
444 val prems = map2 (HOLogic.mk_Trueprop oo mk_leq) Bs Bs_copy;
445 val concl = HOLogic.mk_Trueprop (mk_mor Bs ss Bs_copy ss active_ids);
447 Goal.prove_sorry lthy [] []
448 (fold_rev Logic.all (Bs @ ss @ Bs_copy) (Logic.list_implies (prems, concl)))
449 (K (mk_mor_incl_tac mor_def map_ids))
450 |> Thm.close_derivation
453 val mor_id_thm = mor_incl_thm OF (replicate n subset_refl);
458 [HOLogic.mk_Trueprop (mk_mor Bs ss B's s's fs),
459 HOLogic.mk_Trueprop (mk_mor B's s's B''s s''s gs)];
461 HOLogic.mk_Trueprop (mk_mor Bs ss B''s s''s (map2 (curry HOLogic.mk_comp) gs fs));
463 Goal.prove_sorry lthy [] []
464 (fold_rev Logic.all (Bs @ ss @ B's @ s's @ B''s @ s''s @ fs @ gs)
465 (Logic.list_implies (prems, concl)))
466 (K (mk_mor_comp_tac mor_def mor_image'_thms morE_thms map_comp_id_thms))
467 |> Thm.close_derivation
472 val prems = map HOLogic.mk_Trueprop
473 (map2 (curry HOLogic.mk_eq) fs_copy fs @ [mk_mor Bs ss B's s's fs])
474 val concl = HOLogic.mk_Trueprop (mk_mor Bs ss B's s's fs_copy);
476 Goal.prove_sorry lthy [] []
477 (fold_rev Logic.all (Bs @ ss @ B's @ s's @ fs @ fs_copy)
478 (Logic.list_implies (prems, concl)))
479 (K ((hyp_subst_tac lthy THEN' atac) 1))
480 |> Thm.close_derivation
485 fun mk_conjunct mapAsBs f s s' = HOLogic.mk_eq
486 (HOLogic.mk_comp (Term.list_comb (mapAsBs, passive_ids @ fs), s),
487 HOLogic.mk_comp (s', f));
488 val lhs = mk_mor active_UNIVs ss (map HOLogic.mk_UNIV activeBs) s's fs;
489 val rhs = Library.foldr1 HOLogic.mk_conj (map4 mk_conjunct mapsAsBs fs ss s's);
491 Goal.prove_sorry lthy [] [] (fold_rev Logic.all (ss @ s's @ fs) (mk_Trueprop_eq (lhs, rhs)))
492 (K (mk_mor_UNIV_tac morE_thms mor_def))
493 |> Thm.close_derivation
498 val maps = map2 (fn Ds => fn bnf => Term.list_comb
499 (mk_map_of_bnf Ds allAs (passiveAs @ FTsAs) bnf, passive_ids @ ss)) Dss bnfs;
501 Goal.prove_sorry lthy [] []
502 (fold_rev Logic.all ss (HOLogic.mk_Trueprop
503 (mk_mor active_UNIVs ss (map HOLogic.mk_UNIV FTsAs) maps ss)))
504 (K (mk_mor_str_tac ks mor_UNIV_thm))
505 |> Thm.close_derivation
508 val mor_sum_case_thm =
510 val maps = map3 (fn s => fn sum_s => fn mapx =>
511 mk_sum_case (HOLogic.mk_comp (Term.list_comb (mapx, passive_ids @ Inls), s), sum_s))
514 Goal.prove_sorry lthy [] []
515 (fold_rev Logic.all (s's @ sum_ss) (HOLogic.mk_Trueprop
516 (mk_mor (map HOLogic.mk_UNIV activeBs) s's sum_UNIVs maps Inls)))
517 (K (mk_mor_sum_case_tac ks mor_UNIV_thm))
518 |> Thm.close_derivation
521 val timer = time (timer "Morphism definition & thms");
523 fun hset_rec_bind j = mk_internal_b (hset_recN ^ (if m = 1 then "" else string_of_int j));
524 val hset_rec_name = Binding.name_of o hset_rec_bind;
525 val hset_rec_def_bind = rpair [] o Thm.def_binding o hset_rec_bind;
527 fun hset_rec_spec j Zero hsetT hrec hrec' =
529 fun mk_Suc s setsAs z z' =
531 val (set, sets) = apfst (fn xs => nth xs (j - 1)) (chop m setsAs);
532 fun mk_UN set k = mk_UNION (set $ (s $ z)) (mk_nthN n hrec k);
535 (mk_union (set $ (s $ z), Library.foldl1 mk_union (map2 mk_UN sets ks)))
538 val Suc = Term.absdummy HOLogic.natT (Term.absfree hrec'
539 (HOLogic.mk_tuple (map4 mk_Suc ss setssAs zs zs')));
541 val lhs = Term.list_comb (Free (hset_rec_name j, hsetT), ss);
542 val rhs = mk_nat_rec Zero Suc;
544 mk_Trueprop_eq (lhs, rhs)
547 val ((hset_rec_frees, (_, hset_rec_def_frees)), (lthy, lthy_old)) =
549 |> fold_map5 (fn j => fn Zero => fn hsetT => fn hrec => fn hrec' => Specification.definition
550 (SOME (hset_rec_bind j, NONE, NoSyn),
551 (hset_rec_def_bind j, hset_rec_spec j Zero hsetT hrec hrec')))
552 ls Zeros hsetTs hrecs hrecs'
553 |>> apsnd split_list o split_list
554 ||> `Local_Theory.restore;
556 val phi = Proof_Context.export_morphism lthy_old lthy;
558 val hset_rec_defs = map (Morphism.thm phi) hset_rec_def_frees;
559 val hset_recs = map (fst o Term.dest_Const o Morphism.term phi) hset_rec_frees;
561 fun mk_hset_rec ss nat i j T =
563 val args = ss @ [nat];
564 val Ts = map fastype_of ss;
565 val bTs = map domain_type Ts;
566 val hrecT = HOLogic.mk_tupleT (map (fn U => U --> HOLogic.mk_setT T) bTs)
567 val hset_recT = Library.foldr (op -->) (Ts, HOLogic.natT --> hrecT);
569 mk_nthN n (Term.list_comb (Const (nth hset_recs (j - 1), hset_recT), args)) i
572 val hset_rec_0ss = mk_rec_simps n @{thm nat_rec_0} hset_rec_defs;
573 val hset_rec_Sucss = mk_rec_simps n @{thm nat_rec_Suc} hset_rec_defs;
574 val hset_rec_0ss' = transpose hset_rec_0ss;
575 val hset_rec_Sucss' = transpose hset_rec_Sucss;
577 fun hset_binds j = mk_internal_bs (hsetN ^ (if m = 1 then "" else string_of_int j))
578 fun hset_bind i j = nth (hset_binds j) (i - 1);
579 val hset_name = Binding.name_of oo hset_bind;
580 val hset_def_bind = rpair [] o Thm.def_binding oo hset_bind;
584 val U = nth activeAs (i - 1);
585 val z = nth zs (i - 1);
586 val T = nth passiveAs (j - 1);
587 val setT = HOLogic.mk_setT T;
588 val hsetT = Library.foldr (op -->) (sTs, U --> setT);
590 val lhs = Term.list_comb (Free (hset_name i j, hsetT), ss @ [z]);
591 val rhs = mk_UNION (HOLogic.mk_UNIV HOLogic.natT)
592 (Term.absfree nat' (mk_hset_rec ss nat i j T $ z));
594 mk_Trueprop_eq (lhs, rhs)
597 val ((hset_frees, (_, hset_def_frees)), (lthy, lthy_old)) =
599 |> fold_map (fn i => fold_map (fn j => Specification.definition
600 (SOME (hset_bind i j, NONE, NoSyn), (hset_def_bind i j, hset_spec i j))) ls) ks
601 |>> map (apsnd split_list o split_list)
602 |>> apsnd split_list o split_list
603 ||> `Local_Theory.restore;
605 val phi = Proof_Context.export_morphism lthy_old lthy;
607 val hset_defss = map (map (Morphism.thm phi)) hset_def_frees;
608 val hset_defss' = transpose hset_defss;
609 val hset_namess = map (map (fst o Term.dest_Const o Morphism.term phi)) hset_frees;
611 fun mk_hset ss i j T =
613 val Ts = map fastype_of ss;
614 val bTs = map domain_type Ts;
615 val hsetT = Library.foldr (op -->) (Ts, nth bTs (i - 1) --> HOLogic.mk_setT T);
617 Term.list_comb (Const (nth (nth hset_namess (i - 1)) (j - 1), hsetT), ss)
620 val hsetssAs = map (fn i => map2 (mk_hset ss i) ls passiveAs) ks;
622 val (set_incl_hset_thmss, set_hset_incl_hset_thmsss) =
624 fun mk_set_incl_hset s x set hset = fold_rev Logic.all (x :: ss)
625 (HOLogic.mk_Trueprop (mk_leq (set $ (s $ x)) (hset $ x)));
627 fun mk_set_hset_incl_hset s x y set hset1 hset2 =
628 fold_rev Logic.all (x :: y :: ss)
629 (Logic.mk_implies (HOLogic.mk_Trueprop (HOLogic.mk_mem (x, set $ (s $ y))),
630 HOLogic.mk_Trueprop (mk_leq (hset1 $ x) (hset2 $ y))));
632 val set_incl_hset_goalss =
633 map4 (fn s => fn x => fn sets => fn hsets =>
634 map2 (mk_set_incl_hset s x) (take m sets) hsets)
635 ss zs setssAs hsetssAs;
637 (*xk : F(i)set(m+k) (si yi) ==> F(k)_hset(j) s1 ... sn xk <= F(i)_hset(j) s1 ... sn yi*)
638 val set_hset_incl_hset_goalsss =
639 map4 (fn si => fn yi => fn sets => fn hsetsi =>
640 map3 (fn xk => fn set => fn hsetsk =>
641 map2 (mk_set_hset_incl_hset si xk yi set) hsetsk hsetsi)
642 zs_copy (drop m sets) hsetssAs)
643 ss zs setssAs hsetssAs;
645 (map3 (fn goals => fn defs => fn rec_Sucs =>
646 map3 (fn goal => fn def => fn rec_Suc =>
647 Goal.prove_sorry lthy [] [] goal (K (mk_set_incl_hset_tac def rec_Suc))
648 |> Thm.close_derivation)
650 set_incl_hset_goalss hset_defss hset_rec_Sucss,
651 map3 (fn goalss => fn defsi => fn rec_Sucs =>
652 map3 (fn k => fn goals => fn defsk =>
653 map4 (fn goal => fn defk => fn defi => fn rec_Suc =>
654 Goal.prove_sorry lthy [] [] goal
655 (K (mk_set_hset_incl_hset_tac n [defk, defi] rec_Suc k))
656 |> Thm.close_derivation)
657 goals defsk defsi rec_Sucs)
658 ks goalss hset_defss)
659 set_hset_incl_hset_goalsss hset_defss hset_rec_Sucss)
662 val set_incl_hset_thmss' = transpose set_incl_hset_thmss;
663 val set_hset_incl_hset_thmsss' = transpose (map transpose set_hset_incl_hset_thmsss);
664 val set_hset_thmss = map (map (fn thm => thm RS @{thm set_mp})) set_incl_hset_thmss;
665 val set_hset_hset_thmsss = map (map (map (fn thm => thm RS @{thm set_mp})))
666 set_hset_incl_hset_thmsss;
667 val set_hset_thmss' = transpose set_hset_thmss;
668 val set_hset_hset_thmsss' = transpose (map transpose set_hset_hset_thmsss);
670 val set_incl_hin_thmss =
672 fun mk_set_incl_hin s x hsets1 set hsets2 T =
673 fold_rev Logic.all (x :: ss @ As)
675 (map2 (fn hset => fn A => HOLogic.mk_Trueprop (mk_leq (hset $ x) A)) hsets1 As,
676 HOLogic.mk_Trueprop (mk_leq (set $ (s $ x)) (mk_in As hsets2 T))));
678 val set_incl_hin_goalss =
679 map4 (fn s => fn x => fn sets => fn hsets =>
680 map3 (mk_set_incl_hin s x hsets) (drop m sets) hsetssAs activeAs)
681 ss zs setssAs hsetssAs;
683 map2 (map2 (fn goal => fn thms =>
684 Goal.prove_sorry lthy [] [] goal (K (mk_set_incl_hin_tac thms))
685 |> Thm.close_derivation))
686 set_incl_hin_goalss set_hset_incl_hset_thmsss
689 val hset_minimal_thms =
691 fun mk_passive_prem set s x K =
692 Logic.all x (HOLogic.mk_Trueprop (mk_leq (set $ (s $ x)) (K $ x)));
694 fun mk_active_prem s x1 K1 set x2 K2 =
695 fold_rev Logic.all [x1, x2]
696 (Logic.mk_implies (HOLogic.mk_Trueprop (HOLogic.mk_mem (x2, set $ (s $ x1))),
697 HOLogic.mk_Trueprop (mk_leq (K2 $ x2) (K1 $ x1))));
699 val premss = map2 (fn j => fn Ks =>
700 map4 mk_passive_prem (map (fn xs => nth xs (j - 1)) setssAs) ss zs Ks @
701 flat (map4 (fn sets => fn s => fn x1 => fn K1 =>
702 map3 (mk_active_prem s x1 K1) (drop m sets) zs_copy Ks) setssAs ss zs Ks))
705 val hset_rec_minimal_thms =
707 fun mk_conjunct j T i K x = mk_leq (mk_hset_rec ss nat i j T $ x) (K $ x);
708 fun mk_concl j T Ks = list_all_free zs
709 (Library.foldr1 HOLogic.mk_conj (map3 (mk_conjunct j T) ks Ks zs));
710 val concls = map3 mk_concl ls passiveAs Kss;
712 val goals = map2 (fn prems => fn concl =>
713 Logic.list_implies (prems, HOLogic.mk_Trueprop concl)) premss concls
716 map (fn phi => map (SOME o certify lthy) [Term.absfree nat' phi, nat]) concls;
718 map4 (fn goal => fn cts => fn hset_rec_0s => fn hset_rec_Sucs =>
719 singleton (Proof_Context.export names_lthy lthy)
720 (Goal.prove_sorry lthy [] [] goal
721 (mk_hset_rec_minimal_tac m cts hset_rec_0s hset_rec_Sucs))
722 |> Thm.close_derivation)
723 goals ctss hset_rec_0ss' hset_rec_Sucss'
726 fun mk_conjunct j T i K x = mk_leq (mk_hset ss i j T $ x) (K $ x);
727 fun mk_concl j T Ks = Library.foldr1 HOLogic.mk_conj (map3 (mk_conjunct j T) ks Ks zs);
728 val concls = map3 mk_concl ls passiveAs Kss;
730 val goals = map3 (fn Ks => fn prems => fn concl =>
731 fold_rev Logic.all (Ks @ ss @ zs)
732 (Logic.list_implies (prems, HOLogic.mk_Trueprop concl))) Kss premss concls;
734 map3 (fn goal => fn hset_defs => fn hset_rec_minimal =>
735 Goal.prove_sorry lthy [] [] goal
736 (mk_hset_minimal_tac n hset_defs hset_rec_minimal)
737 |> Thm.close_derivation)
738 goals hset_defss' hset_rec_minimal_thms
741 val timer = time (timer "Hereditary sets");
745 val bis_bind = mk_internal_b bisN;
746 val bis_name = Binding.name_of bis_bind;
747 val bis_def_bind = (Thm.def_binding bis_bind, []);
749 fun mk_bis_le_conjunct R B1 B2 = mk_leq R (mk_Times (B1, B2));
750 val bis_le = Library.foldr1 HOLogic.mk_conj (map3 mk_bis_le_conjunct Rs Bs B's)
754 val bisT = Library.foldr (op -->) (ATs @ BTs @ sTs @ B'Ts @ s'Ts @ setRTs, HOLogic.boolT);
756 val fst_args = passive_ids @ fsts;
757 val snd_args = passive_ids @ snds;
758 fun mk_bis R s s' b1 b2 RF map1 map2 sets =
759 list_all_free [b1, b2] (HOLogic.mk_imp
760 (HOLogic.mk_mem (HOLogic.mk_prod (b1, b2), R),
761 mk_Bex (mk_in (As @ Rs) sets (snd (dest_Free RF))) (Term.absfree (dest_Free RF)
763 (HOLogic.mk_eq (Term.list_comb (map1, fst_args) $ RF, s $ b1),
764 HOLogic.mk_eq (Term.list_comb (map2, snd_args) $ RF, s' $ b2))))));
766 val lhs = Term.list_comb (Free (bis_name, bisT), As @ Bs @ ss @ B's @ s's @ Rs);
767 val rhs = HOLogic.mk_conj
768 (bis_le, Library.foldr1 HOLogic.mk_conj
769 (map9 mk_bis Rs ss s's zs z's RFs map_fsts map_snds bis_setss))
771 mk_Trueprop_eq (lhs, rhs)
774 val ((bis_free, (_, bis_def_free)), (lthy, lthy_old)) =
776 |> Specification.definition (SOME (bis_bind, NONE, NoSyn), (bis_def_bind, bis_spec))
777 ||> `Local_Theory.restore;
779 val phi = Proof_Context.export_morphism lthy_old lthy;
780 val bis = fst (Term.dest_Const (Morphism.term phi bis_free));
781 val bis_def = Morphism.thm phi bis_def_free;
783 fun mk_bis As Bs1 ss1 Bs2 ss2 Rs =
785 val args = As @ Bs1 @ ss1 @ Bs2 @ ss2 @ Rs;
786 val Ts = map fastype_of args;
787 val bisT = Library.foldr (op -->) (Ts, HOLogic.boolT);
789 Term.list_comb (Const (bis, bisT), args)
794 val prems = map HOLogic.mk_Trueprop
795 (mk_bis As Bs ss B's s's Rs :: map2 (curry HOLogic.mk_eq) Rs_copy Rs)
796 val concl = HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's Rs_copy);
798 Goal.prove_sorry lthy [] []
799 (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ Rs @ Rs_copy)
800 (Logic.list_implies (prems, concl)))
801 (K ((hyp_subst_tac lthy THEN' atac) 1))
802 |> Thm.close_derivation
807 fun mk_conjunct R s s' b1 b2 rel =
808 list_all_free [b1, b2] (HOLogic.mk_imp
809 (HOLogic.mk_mem (HOLogic.mk_prod (b1, b2), R),
810 Term.list_comb (rel, map mk_in_rel (passive_Id_ons @ Rs)) $ (s $ b1) $ (s' $ b2)));
812 val rhs = HOLogic.mk_conj
813 (bis_le, Library.foldr1 HOLogic.mk_conj
814 (map6 mk_conjunct Rs ss s's zs z's relsAsBs))
816 Goal.prove_sorry lthy [] []
817 (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ Rs)
818 (mk_Trueprop_eq (mk_bis As Bs ss B's s's Rs, rhs)))
819 (K (mk_bis_rel_tac lthy m bis_def rel_OO_Grps map_comps map_cong0s set_mapss))
820 |> Thm.close_derivation
823 val bis_converse_thm =
824 Goal.prove_sorry lthy [] []
825 (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ Rs)
827 (HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's Rs),
828 HOLogic.mk_Trueprop (mk_bis As B's s's Bs ss (map mk_converse Rs)))))
829 (K (mk_bis_converse_tac m bis_rel_thm rel_congs rel_converseps))
830 |> Thm.close_derivation;
835 [HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's Rs),
836 HOLogic.mk_Trueprop (mk_bis As B's s's B''s s''s R's)];
838 HOLogic.mk_Trueprop (mk_bis As Bs ss B''s s''s (map2 (curry mk_rel_comp) Rs R's));
840 Goal.prove_sorry lthy [] []
841 (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ B''s @ s''s @ Rs @ R's)
842 (Logic.list_implies (prems, concl)))
843 (K (mk_bis_O_tac lthy m bis_rel_thm rel_congs rel_OOs))
844 |> Thm.close_derivation
850 HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's (map2 mk_Gr Bs fs));
852 Goal.prove_sorry lthy [] []
853 (fold_rev Logic.all (As @ Bs @ ss @ B's @ s's @ fs)
854 (Logic.list_implies ([coalg_prem, mor_prem], concl)))
855 (mk_bis_Gr_tac bis_rel_thm rel_Grps mor_image_thms morE_thms coalg_in_thms)
856 |> Thm.close_derivation
859 val bis_image2_thm = bis_cong_thm OF
860 ((bis_O_thm OF [bis_Gr_thm RS bis_converse_thm, bis_Gr_thm]) ::
861 replicate n @{thm image2_Gr});
863 val bis_Id_on_thm = bis_cong_thm OF ((mor_id_thm RSN (2, bis_Gr_thm)) ::
864 replicate n @{thm Id_on_Gr});
869 HOLogic.mk_Trueprop (mk_Ball Idx
870 (Term.absfree idx' (mk_bis As Bs ss B's s's (map (fn R => R $ idx) Ris))));
872 HOLogic.mk_Trueprop (mk_bis As Bs ss B's s's (map (mk_UNION Idx) Ris));
874 Goal.prove_sorry lthy [] []
875 (fold_rev Logic.all (Idx :: As @ Bs @ ss @ B's @ s's @ Ris)
876 (Logic.mk_implies (prem, concl)))
877 (mk_bis_Union_tac bis_def in_mono'_thms)
878 |> Thm.close_derivation
881 (* self-bisimulation *)
883 fun mk_sbis As Bs ss Rs = mk_bis As Bs ss Bs ss Rs;
885 val sbis_prem = HOLogic.mk_Trueprop (mk_sbis As Bs ss sRs);
887 (* largest self-bisimulation *)
889 val lsbis_binds = mk_internal_bs lsbisN;
890 fun lsbis_bind i = nth lsbis_binds (i - 1);
891 val lsbis_name = Binding.name_of o lsbis_bind;
892 val lsbis_def_bind = rpair [] o Thm.def_binding o lsbis_bind;
894 val all_sbis = HOLogic.mk_Collect (fst Rtuple', snd Rtuple', list_exists_free sRs
895 (HOLogic.mk_conj (HOLogic.mk_eq (Rtuple, HOLogic.mk_tuple sRs), mk_sbis As Bs ss sRs)));
897 fun lsbis_spec i RT =
900 Library.foldr (op -->) (map fastype_of (As @ Bs @ ss), RT);
901 val lhs = Term.list_comb (Free (lsbis_name i, mk_lsbisT RT), As @ Bs @ ss);
902 val rhs = mk_UNION all_sbis (Term.absfree Rtuple' (mk_nthN n Rtuple i));
904 mk_Trueprop_eq (lhs, rhs)
907 val ((lsbis_frees, (_, lsbis_def_frees)), (lthy, lthy_old)) =
909 |> fold_map2 (fn i => fn RT => Specification.definition
910 (SOME (lsbis_bind i, NONE, NoSyn), (lsbis_def_bind i, lsbis_spec i RT))) ks setsRTs
911 |>> apsnd split_list o split_list
912 ||> `Local_Theory.restore;
914 val phi = Proof_Context.export_morphism lthy_old lthy;
916 val lsbis_defs = map (Morphism.thm phi) lsbis_def_frees;
917 val lsbiss = map (fst o Term.dest_Const o Morphism.term phi) lsbis_frees;
919 fun mk_lsbis As Bs ss i =
921 val args = As @ Bs @ ss;
922 val Ts = map fastype_of args;
923 val RT = mk_relT (`I (HOLogic.dest_setT (fastype_of (nth Bs (i - 1)))));
924 val lsbisT = Library.foldr (op -->) (Ts, RT);
926 Term.list_comb (Const (nth lsbiss (i - 1), lsbisT), args)
930 Goal.prove_sorry lthy [] []
931 (fold_rev Logic.all (As @ Bs @ ss)
932 (HOLogic.mk_Trueprop (mk_sbis As Bs ss (map (mk_lsbis As Bs ss) ks))))
933 (K (mk_sbis_lsbis_tac lthy lsbis_defs bis_Union_thm bis_cong_thm))
934 |> Thm.close_derivation;
936 val lsbis_incl_thms = map (fn i => sbis_lsbis_thm RS
937 (bis_def RS iffD1 RS conjunct1 RS mk_conjunctN n i)) ks;
938 val lsbisE_thms = map (fn i => (mk_specN 2 (sbis_lsbis_thm RS
939 (bis_def RS iffD1 RS conjunct2 RS mk_conjunctN n i))) RS mp) ks;
941 val incl_lsbis_thms =
943 fun mk_concl i R = HOLogic.mk_Trueprop (mk_leq R (mk_lsbis As Bs ss i));
944 val goals = map2 (fn i => fn R => fold_rev Logic.all (As @ Bs @ ss @ sRs)
945 (Logic.mk_implies (sbis_prem, mk_concl i R))) ks sRs;
947 map3 (fn goal => fn i => fn def => Goal.prove_sorry lthy [] [] goal
948 (K (mk_incl_lsbis_tac n i def)) |> Thm.close_derivation) goals ks lsbis_defs
951 val equiv_lsbis_thms =
953 fun mk_concl i B = HOLogic.mk_Trueprop (mk_equiv B (mk_lsbis As Bs ss i));
954 val goals = map2 (fn i => fn B => fold_rev Logic.all (As @ Bs @ ss)
955 (Logic.mk_implies (coalg_prem, mk_concl i B))) ks Bs;
957 map3 (fn goal => fn l_incl => fn incl_l =>
958 Goal.prove_sorry lthy [] [] goal
959 (K (mk_equiv_lsbis_tac sbis_lsbis_thm l_incl incl_l
960 bis_Id_on_thm bis_converse_thm bis_O_thm))
961 |> Thm.close_derivation)
962 goals lsbis_incl_thms incl_lsbis_thms
965 val timer = time (timer "Bisimulations");
969 val (lthy, sbd, sbdT,
970 sbd_card_order, sbd_Cinfinite, sbd_Card_order, set_sbdss) =
972 then (lthy, sum_bd, sum_bdT, bd_card_order, bd_Cinfinite, bd_Card_order, set_bdss)
975 val sbdT_bind = mk_internal_b sum_bdTN;
977 val ((sbdT_name, (sbdT_glob_info, sbdT_loc_info)), lthy) =
978 typedef (sbdT_bind, dead_params, NoSyn)
979 (HOLogic.mk_UNIV sum_bdT) NONE (EVERY' [rtac exI, rtac UNIV_I] 1) lthy;
981 val sbdT = Type (sbdT_name, dead_params');
982 val Abs_sbdT = Const (#Abs_name sbdT_glob_info, sum_bdT --> sbdT);
984 val sbd_bind = mk_internal_b sum_bdN;
985 val sbd_name = Binding.name_of sbd_bind;
986 val sbd_def_bind = (Thm.def_binding sbd_bind, []);
988 val sbd_spec = HOLogic.mk_Trueprop
989 (HOLogic.mk_eq (Free (sbd_name, mk_relT (`I sbdT)), mk_dir_image sum_bd Abs_sbdT));
991 val ((sbd_free, (_, sbd_def_free)), (lthy, lthy_old)) =
993 |> Specification.definition (SOME (sbd_bind, NONE, NoSyn), (sbd_def_bind, sbd_spec))
994 ||> `Local_Theory.restore;
996 val phi = Proof_Context.export_morphism lthy_old lthy;
998 val sbd_def = Morphism.thm phi sbd_def_free;
999 val sbd = Const (fst (Term.dest_Const (Morphism.term phi sbd_free)), mk_relT (`I sbdT));
1001 val Abs_sbdT_inj = mk_Abs_inj_thm (#Abs_inject sbdT_loc_info);
1002 val Abs_sbdT_bij = mk_Abs_bij_thm lthy Abs_sbdT_inj (#Abs_cases sbdT_loc_info);
1004 fun mk_sum_Cinfinite [thm] = thm
1005 | mk_sum_Cinfinite (thm :: thms) =
1006 @{thm Cinfinite_csum_strong} OF [thm, mk_sum_Cinfinite thms];
1008 val sum_Cinfinite = mk_sum_Cinfinite bd_Cinfinites;
1009 val sum_Card_order = sum_Cinfinite RS conjunct2;
1011 fun mk_sum_card_order [thm] = thm
1012 | mk_sum_card_order (thm :: thms) =
1013 @{thm card_order_csum} OF [thm, mk_sum_card_order thms];
1015 val sum_card_order = mk_sum_card_order bd_card_orders;
1017 val sbd_ordIso = fold_thms lthy [sbd_def]
1018 (@{thm dir_image} OF [Abs_sbdT_inj, sum_Card_order]);
1019 val sbd_card_order = fold_thms lthy [sbd_def]
1020 (@{thm card_order_dir_image} OF [Abs_sbdT_bij, sum_card_order]);
1021 val sbd_Cinfinite = @{thm Cinfinite_cong} OF [sbd_ordIso, sum_Cinfinite];
1022 val sbd_Card_order = sbd_Cinfinite RS conjunct2;
1024 fun mk_set_sbd i bd_Card_order bds =
1025 map (fn thm => @{thm ordLeq_ordIso_trans} OF
1026 [bd_Card_order RS mk_ordLeq_csum n i thm, sbd_ordIso]) bds;
1027 val set_sbdss = map3 mk_set_sbd ks bd_Card_orders set_bdss;
1029 (lthy, sbd, sbdT, sbd_card_order, sbd_Cinfinite, sbd_Card_order, set_sbdss)
1032 val sbdTs = replicate n sbdT;
1033 val sum_sbd = Library.foldr1 (uncurry mk_csum) (replicate n sbd);
1034 val sum_sbdT = mk_sumTN sbdTs;
1035 val sum_sbd_listT = HOLogic.listT sum_sbdT;
1036 val sum_sbd_list_setT = HOLogic.mk_setT sum_sbd_listT;
1037 val bdTs = passiveAs @ replicate n sbdT;
1038 val to_sbd_maps = map4 mk_map_of_bnf Dss Ass (replicate n bdTs) bnfs;
1039 val bdFTs = mk_FTs bdTs;
1040 val sbdFT = mk_sumTN bdFTs;
1041 val treeT = HOLogic.mk_prodT (sum_sbd_list_setT, sum_sbd_listT --> sbdFT);
1042 val treeQT = HOLogic.mk_setT treeT;
1043 val treeTs = passiveAs @ replicate n treeT;
1044 val treeQTs = passiveAs @ replicate n treeQT;
1045 val treeFTs = mk_FTs treeTs;
1046 val tree_maps = map4 mk_map_of_bnf Dss (replicate n bdTs) (replicate n treeTs) bnfs;
1047 val final_maps = map4 mk_map_of_bnf Dss (replicate n treeTs) (replicate n treeQTs) bnfs;
1048 val isNode_setss = mk_setss (passiveAs @ replicate n sbdT);
1050 val root = HOLogic.mk_set sum_sbd_listT [HOLogic.mk_list sum_sbdT []];
1051 val Zero = HOLogic.mk_tuple (map (fn U => absdummy U root) activeAs);
1052 val Lev_recT = fastype_of Zero;
1053 val LevT = Library.foldr (op -->) (sTs, HOLogic.natT --> Lev_recT);
1055 val Nil = HOLogic.mk_tuple (map3 (fn i => fn z => fn z'=>
1056 Term.absfree z' (mk_InN activeAs z i)) ks zs zs');
1057 val rv_recT = fastype_of Nil;
1058 val rvT = Library.foldr (op -->) (sTs, sum_sbd_listT --> rv_recT);
1060 val (((((((((((sumx, sumx'), (kks, kks')), (kl, kl')), (kl_copy, kl'_copy)), (Kl, Kl')),
1061 (lab, lab')), (Kl_lab, Kl_lab')), xs), (Lev_rec, Lev_rec')), (rv_rec, rv_rec')),
1062 names_lthy) = names_lthy
1063 |> yield_singleton (apfst (op ~~) oo mk_Frees' "sumx") sum_sbdT
1064 ||>> mk_Frees' "k" sbdTs
1065 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "kl") sum_sbd_listT
1066 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "kl") sum_sbd_listT
1067 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "Kl") sum_sbd_list_setT
1068 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "lab") (sum_sbd_listT --> sbdFT)
1069 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "Kl_lab") treeT
1070 ||>> mk_Frees "x" bdFTs
1071 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "rec") Lev_recT
1072 ||>> yield_singleton (apfst (op ~~) oo mk_Frees' "rec") rv_recT;
1074 val (k, k') = (hd kks, hd kks')
1076 val timer = time (timer "Bounds");
1078 (* tree coalgebra *)
1080 val isNode_binds = mk_internal_bs isNodeN;
1081 fun isNode_bind i = nth isNode_binds (i - 1);
1082 val isNode_name = Binding.name_of o isNode_bind;
1083 val isNode_def_bind = rpair [] o Thm.def_binding o isNode_bind;
1086 Library.foldr (op -->) (map fastype_of (As @ [Kl, lab, kl]), HOLogic.boolT);
1088 val Succs = map3 (fn i => fn k => fn k' =>
1089 HOLogic.mk_Collect (fst k', snd k', HOLogic.mk_mem (mk_InN sbdTs k i, mk_Succ Kl kl)))
1092 fun isNode_spec sets x i =
1094 val (passive_sets, active_sets) = chop m (map (fn set => set $ x) sets);
1095 val lhs = Term.list_comb (Free (isNode_name i, isNodeT), As @ [Kl, lab, kl]);
1096 val rhs = list_exists_free [x]
1097 (Library.foldr1 HOLogic.mk_conj (HOLogic.mk_eq (lab $ kl, mk_InN bdFTs x i) ::
1098 map2 mk_leq passive_sets As @ map2 (curry HOLogic.mk_eq) active_sets Succs));
1100 mk_Trueprop_eq (lhs, rhs)
1103 val ((isNode_frees, (_, isNode_def_frees)), (lthy, lthy_old)) =
1105 |> fold_map3 (fn i => fn x => fn sets => Specification.definition
1106 (SOME (isNode_bind i, NONE, NoSyn), (isNode_def_bind i, isNode_spec sets x i)))
1108 |>> apsnd split_list o split_list
1109 ||> `Local_Theory.restore;
1111 val phi = Proof_Context.export_morphism lthy_old lthy;
1113 val isNode_defs = map (Morphism.thm phi) isNode_def_frees;
1114 val isNodes = map (fst o Term.dest_Const o Morphism.term phi) isNode_frees;
1116 fun mk_isNode As kl i =
1117 Term.list_comb (Const (nth isNodes (i - 1), isNodeT), As @ [Kl, lab, kl]);
1121 val empty = HOLogic.mk_mem (HOLogic.mk_list sum_sbdT [], Kl);
1122 val Field = mk_leq Kl (mk_Field (mk_clists sum_sbd));
1123 val prefCl = mk_prefCl Kl;
1125 val tree = mk_Ball Kl (Term.absfree kl'
1127 (Library.foldr1 HOLogic.mk_disj (map (mk_isNode As kl) ks),
1128 Library.foldr1 HOLogic.mk_conj (map4 (fn Succ => fn i => fn k => fn k' =>
1129 mk_Ball Succ (Term.absfree k' (mk_isNode As
1130 (mk_append (kl, HOLogic.mk_list sum_sbdT [mk_InN sbdTs k i])) i)))
1131 Succs ks kks kks'))));
1133 val undef = list_all_free [kl] (HOLogic.mk_imp
1134 (HOLogic.mk_not (HOLogic.mk_mem (kl, Kl)),
1135 HOLogic.mk_eq (lab $ kl, mk_undefined sbdFT)));
1137 Library.foldr1 HOLogic.mk_conj [empty, Field, prefCl, tree, undef]
1140 val carT_binds = mk_internal_bs carTN;
1141 fun carT_bind i = nth carT_binds (i - 1);
1142 val carT_name = Binding.name_of o carT_bind;
1143 val carT_def_bind = rpair [] o Thm.def_binding o carT_bind;
1147 val carTT = Library.foldr (op -->) (ATs, HOLogic.mk_setT treeT);
1149 val lhs = Term.list_comb (Free (carT_name i, carTT), As);
1150 val rhs = HOLogic.mk_Collect (fst Kl_lab', snd Kl_lab', list_exists_free [Kl, lab]
1151 (HOLogic.mk_conj (HOLogic.mk_eq (Kl_lab, HOLogic.mk_prod (Kl, lab)),
1152 HOLogic.mk_conj (isTree, mk_isNode As (HOLogic.mk_list sum_sbdT []) i))));
1154 mk_Trueprop_eq (lhs, rhs)
1157 val ((carT_frees, (_, carT_def_frees)), (lthy, lthy_old)) =
1159 |> fold_map (fn i => Specification.definition
1160 (SOME (carT_bind i, NONE, NoSyn), (carT_def_bind i, carT_spec i))) ks
1161 |>> apsnd split_list o split_list
1162 ||> `Local_Theory.restore;
1164 val phi = Proof_Context.export_morphism lthy_old lthy;
1166 val carT_defs = map (Morphism.thm phi) carT_def_frees;
1167 val carTs = map (fst o Term.dest_Const o Morphism.term phi) carT_frees;
1169 fun mk_carT As i = Term.list_comb
1170 (Const (nth carTs (i - 1),
1171 Library.foldr (op -->) (map fastype_of As, HOLogic.mk_setT treeT)), As);
1173 val strT_binds = mk_internal_bs strTN;
1174 fun strT_bind i = nth strT_binds (i - 1);
1175 val strT_name = Binding.name_of o strT_bind;
1176 val strT_def_bind = rpair [] o Thm.def_binding o strT_bind;
1178 fun strT_spec mapFT FT i =
1180 val strTT = treeT --> FT;
1183 let val in_k = mk_InN sbdTs k i;
1184 in Term.absfree k' (HOLogic.mk_prod (mk_Shift Kl in_k, mk_shift lab in_k)) end;
1186 val f = Term.list_comb (mapFT, passive_ids @ map3 mk_f ks kks kks');
1187 val (fTs1, fTs2) = apsnd tl (chop (i - 1) (map (fn T => T --> FT) bdFTs));
1188 val fs = map mk_undefined fTs1 @ (f :: map mk_undefined fTs2);
1189 val lhs = Free (strT_name i, strTT);
1190 val rhs = HOLogic.mk_split (Term.absfree Kl' (Term.absfree lab'
1191 (mk_sum_caseN fs $ (lab $ HOLogic.mk_list sum_sbdT []))));
1193 mk_Trueprop_eq (lhs, rhs)
1196 val ((strT_frees, (_, strT_def_frees)), (lthy, lthy_old)) =
1198 |> fold_map3 (fn i => fn mapFT => fn FT => Specification.definition
1199 (SOME (strT_bind i, NONE, NoSyn), (strT_def_bind i, strT_spec mapFT FT i)))
1200 ks tree_maps treeFTs
1201 |>> apsnd split_list o split_list
1202 ||> `Local_Theory.restore;
1204 val phi = Proof_Context.export_morphism lthy_old lthy;
1206 val strT_defs = map ((fn def => trans OF [def RS fun_cong, @{thm prod.cases}]) o
1207 Morphism.thm phi) strT_def_frees;
1208 val strTs = map (fst o Term.dest_Const o Morphism.term phi) strT_frees;
1210 fun mk_strT FT i = Const (nth strTs (i - 1), treeT --> FT);
1212 val carTAs = map (mk_carT As) ks;
1213 val strTAs = map2 mk_strT treeFTs ks;
1216 Goal.prove_sorry lthy [] []
1217 (fold_rev Logic.all As (HOLogic.mk_Trueprop (mk_coalg As carTAs strTAs)))
1218 (mk_coalgT_tac m (coalg_def :: isNode_defs @ carT_defs) strT_defs set_mapss)
1219 |> Thm.close_derivation;
1221 val timer = time (timer "Tree coalgebra");
1223 fun mk_to_sbd s x i i' =
1224 mk_toCard (nth (nth setssAs (i - 1)) (m + i' - 1) $ (s $ x)) sbd;
1225 fun mk_from_sbd s x i i' =
1226 mk_fromCard (nth (nth setssAs (i - 1)) (m + i' - 1) $ (s $ x)) sbd;
1228 fun mk_to_sbd_thmss thm = map (map (fn set_sbd =>
1229 thm OF [set_sbd, sbd_Card_order]) o drop m) set_sbdss;
1231 val to_sbd_inj_thmss = mk_to_sbd_thmss @{thm toCard_inj};
1232 val to_sbd_thmss = mk_to_sbd_thmss @{thm toCard};
1233 val from_to_sbd_thmss = mk_to_sbd_thmss @{thm fromCard_toCard};
1235 val Lev_bind = mk_internal_b LevN;
1236 val Lev_name = Binding.name_of Lev_bind;
1237 val Lev_def_bind = rpair [] (Thm.def_binding Lev_bind);
1241 fun mk_Suc i s setsAs a a' =
1243 val sets = drop m setsAs;
1244 fun mk_set i' set b =
1246 val Cons = HOLogic.mk_eq (kl_copy,
1247 mk_Cons (mk_InN sbdTs (mk_to_sbd s a i i' $ b) i') kl)
1248 val b_set = HOLogic.mk_mem (b, set $ (s $ a));
1249 val kl_rec = HOLogic.mk_mem (kl, mk_nthN n Lev_rec i' $ b);
1251 HOLogic.mk_Collect (fst kl'_copy, snd kl'_copy, list_exists_free [b, kl]
1252 (HOLogic.mk_conj (Cons, HOLogic.mk_conj (b_set, kl_rec))))
1255 Term.absfree a' (Library.foldl1 mk_union (map3 mk_set ks sets zs_copy))
1258 val Suc = Term.absdummy HOLogic.natT (Term.absfree Lev_rec'
1259 (HOLogic.mk_tuple (map5 mk_Suc ks ss setssAs zs zs')));
1261 val lhs = Term.list_comb (Free (Lev_name, LevT), ss);
1262 val rhs = mk_nat_rec Zero Suc;
1264 mk_Trueprop_eq (lhs, rhs)
1267 val ((Lev_free, (_, Lev_def_free)), (lthy, lthy_old)) =
1269 |> Specification.definition (SOME (Lev_bind, NONE, NoSyn), (Lev_def_bind, Lev_spec))
1270 ||> `Local_Theory.restore;
1272 val phi = Proof_Context.export_morphism lthy_old lthy;
1274 val Lev_def = Morphism.thm phi Lev_def_free;
1275 val Lev = fst (Term.dest_Const (Morphism.term phi Lev_free));
1277 fun mk_Lev ss nat i =
1279 val Ts = map fastype_of ss;
1280 val LevT = Library.foldr (op -->) (Ts, HOLogic.natT -->
1281 HOLogic.mk_tupleT (map (fn U => domain_type U --> sum_sbd_list_setT) Ts));
1283 mk_nthN n (Term.list_comb (Const (Lev, LevT), ss) $ nat) i
1286 val Lev_0s = flat (mk_rec_simps n @{thm nat_rec_0} [Lev_def]);
1287 val Lev_Sucs = flat (mk_rec_simps n @{thm nat_rec_Suc} [Lev_def]);
1289 val rv_bind = mk_internal_b rvN;
1290 val rv_name = Binding.name_of rv_bind;
1291 val rv_def_bind = rpair [] (Thm.def_binding rv_bind);
1295 fun mk_Cons i s b b' =
1298 Term.absfree k' (mk_nthN n rv_rec i' $ (mk_from_sbd s b i i' $ k));
1300 Term.absfree b' (mk_sum_caseN (map mk_case ks) $ sumx)
1303 val Cons = Term.absfree sumx' (Term.absdummy sum_sbd_listT (Term.absfree rv_rec'
1304 (HOLogic.mk_tuple (map4 mk_Cons ks ss zs zs'))));
1306 val lhs = Term.list_comb (Free (rv_name, rvT), ss);
1307 val rhs = mk_list_rec Nil Cons;
1309 mk_Trueprop_eq (lhs, rhs)
1312 val ((rv_free, (_, rv_def_free)), (lthy, lthy_old)) =
1314 |> Specification.definition (SOME (rv_bind, NONE, NoSyn), (rv_def_bind, rv_spec))
1315 ||> `Local_Theory.restore;
1317 val phi = Proof_Context.export_morphism lthy_old lthy;
1319 val rv_def = Morphism.thm phi rv_def_free;
1320 val rv = fst (Term.dest_Const (Morphism.term phi rv_free));
1324 val Ts = map fastype_of ss;
1325 val As = map domain_type Ts;
1326 val rvT = Library.foldr (op -->) (Ts, fastype_of kl -->
1327 HOLogic.mk_tupleT (map (fn U => U --> mk_sumTN As) As));
1329 mk_nthN n (Term.list_comb (Const (rv, rvT), ss) $ kl) i
1332 val rv_Nils = flat (mk_rec_simps n @{thm list_rec_Nil} [rv_def]);
1333 val rv_Conss = flat (mk_rec_simps n @{thm list_rec_Cons} [rv_def]);
1335 val beh_binds = mk_internal_bs behN;
1336 fun beh_bind i = nth beh_binds (i - 1);
1337 val beh_name = Binding.name_of o beh_bind;
1338 val beh_def_bind = rpair [] o Thm.def_binding o beh_bind;
1342 val mk_behT = Library.foldr (op -->) (map fastype_of (ss @ [z]), treeT);
1344 fun mk_case i to_sbd_map s k k' =
1345 Term.absfree k' (mk_InN bdFTs
1346 (Term.list_comb (to_sbd_map, passive_ids @ map (mk_to_sbd s k i) ks) $ (s $ k)) i);
1348 val Lab = Term.absfree kl' (mk_If
1349 (HOLogic.mk_mem (kl, mk_Lev ss (mk_size kl) i $ z))
1350 (mk_sum_caseN (map5 mk_case ks to_sbd_maps ss zs zs') $ (mk_rv ss kl i $ z))
1351 (mk_undefined sbdFT));
1353 val lhs = Term.list_comb (Free (beh_name i, mk_behT), ss) $ z;
1354 val rhs = HOLogic.mk_prod (mk_UNION (HOLogic.mk_UNIV HOLogic.natT)
1355 (Term.absfree nat' (mk_Lev ss nat i $ z)), Lab);
1357 mk_Trueprop_eq (lhs, rhs)
1360 val ((beh_frees, (_, beh_def_frees)), (lthy, lthy_old)) =
1362 |> fold_map2 (fn i => fn z => Specification.definition
1363 (SOME (beh_bind i, NONE, NoSyn), (beh_def_bind i, beh_spec i z))) ks zs
1364 |>> apsnd split_list o split_list
1365 ||> `Local_Theory.restore;
1367 val phi = Proof_Context.export_morphism lthy_old lthy;
1369 val beh_defs = map (Morphism.thm phi) beh_def_frees;
1370 val behs = map (fst o Term.dest_Const o Morphism.term phi) beh_frees;
1374 val Ts = map fastype_of ss;
1375 val behT = Library.foldr (op -->) (Ts, nth activeAs (i - 1) --> treeT);
1377 Term.list_comb (Const (nth behs (i - 1), behT), ss)
1382 fun mk_conjunct i z = mk_leq (mk_Lev ss nat i $ z) (mk_Field (mk_clists sum_sbd));
1383 val goal = list_all_free zs
1384 (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
1386 val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
1388 val Lev_sbd = singleton (Proof_Context.export names_lthy lthy)
1389 (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
1390 (K (mk_Lev_sbd_tac lthy cts Lev_0s Lev_Sucs to_sbd_thmss))
1391 |> Thm.close_derivation);
1393 val Lev_sbd' = mk_specN n Lev_sbd;
1395 map (fn i => Lev_sbd' RS mk_conjunctN n i) ks
1398 val (length_Lev_thms, length_Lev'_thms) =
1400 fun mk_conjunct i z = HOLogic.mk_imp (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z),
1401 HOLogic.mk_eq (mk_size kl, nat));
1402 val goal = list_all_free (kl :: zs)
1403 (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
1405 val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
1407 val length_Lev = singleton (Proof_Context.export names_lthy lthy)
1408 (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
1409 (K (mk_length_Lev_tac lthy cts Lev_0s Lev_Sucs))
1410 |> Thm.close_derivation);
1412 val length_Lev' = mk_specN (n + 1) length_Lev;
1413 val length_Levs = map (fn i => length_Lev' RS mk_conjunctN n i RS mp) ks;
1415 fun mk_goal i z = fold_rev Logic.all (z :: kl :: nat :: ss) (Logic.mk_implies
1416 (HOLogic.mk_Trueprop (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z)),
1417 HOLogic.mk_Trueprop (HOLogic.mk_mem (kl, mk_Lev ss (mk_size kl) i $ z))));
1418 val goals = map2 mk_goal ks zs;
1420 val length_Levs' = map2 (fn goal => fn length_Lev =>
1421 Goal.prove_sorry lthy [] [] goal (K (mk_length_Lev'_tac length_Lev))
1422 |> Thm.close_derivation) goals length_Levs;
1424 (length_Levs, length_Levs')
1427 val prefCl_Lev_thms =
1429 fun mk_conjunct i z = HOLogic.mk_imp
1430 (HOLogic.mk_conj (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z), mk_prefixeq kl_copy kl),
1431 HOLogic.mk_mem (kl_copy, mk_Lev ss (mk_size kl_copy) i $ z));
1432 val goal = list_all_free (kl :: kl_copy :: zs)
1433 (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
1435 val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
1437 val prefCl_Lev = singleton (Proof_Context.export names_lthy lthy)
1438 (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
1439 (K (mk_prefCl_Lev_tac lthy cts Lev_0s Lev_Sucs)))
1440 |> Thm.close_derivation;
1442 val prefCl_Lev' = mk_specN (n + 2) prefCl_Lev;
1444 map (fn i => prefCl_Lev' RS mk_conjunctN n i RS mp) ks
1449 fun mk_conjunct i z i' z_copy = list_exists_free [z_copy]
1451 (mk_rv ss (mk_append (kl, HOLogic.mk_list sum_sbdT [mk_InN sbdTs k i'])) i $ z,
1452 mk_InN activeAs z_copy i'));
1453 val goal = list_all_free (k :: zs)
1454 (Library.foldr1 HOLogic.mk_conj (map2 (fn i => fn z =>
1455 Library.foldr1 HOLogic.mk_conj
1456 (map2 (mk_conjunct i z) ks zs_copy)) ks zs));
1458 val cTs = [SOME (certifyT lthy sum_sbdT)];
1459 val cts = map (SOME o certify lthy) [Term.absfree kl' goal, kl];
1461 val rv_last = singleton (Proof_Context.export names_lthy lthy)
1462 (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
1463 (K (mk_rv_last_tac cTs cts rv_Nils rv_Conss)))
1464 |> Thm.close_derivation;
1466 val rv_last' = mk_specN (n + 1) rv_last;
1468 map (fn i => map (fn i' => rv_last' RS mk_conjunctN n i RS mk_conjunctN n i') ks) ks
1471 val set_rv_Lev_thmsss = if m = 0 then replicate n (replicate n []) else
1473 fun mk_case s sets z z_free = Term.absfree z_free (Library.foldr1 HOLogic.mk_conj
1474 (map2 (fn set => fn A => mk_leq (set $ (s $ z)) A) (take m sets) As));
1476 fun mk_conjunct i z B = HOLogic.mk_imp
1477 (HOLogic.mk_conj (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z), HOLogic.mk_mem (z, B)),
1478 mk_sum_caseN (map4 mk_case ss setssAs zs zs') $ (mk_rv ss kl i $ z));
1480 val goal = list_all_free (kl :: zs)
1481 (Library.foldr1 HOLogic.mk_conj (map3 mk_conjunct ks zs Bs));
1483 val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
1485 val set_rv_Lev = singleton (Proof_Context.export names_lthy lthy)
1486 (Goal.prove_sorry lthy [] []
1487 (Logic.mk_implies (coalg_prem, HOLogic.mk_Trueprop goal))
1488 (K (mk_set_rv_Lev_tac lthy m cts Lev_0s Lev_Sucs rv_Nils rv_Conss
1489 coalg_set_thmss from_to_sbd_thmss)))
1490 |> Thm.close_derivation;
1492 val set_rv_Lev' = mk_specN (n + 1) set_rv_Lev;
1494 map (fn i => map (fn i' =>
1495 split_conj_thm (if n = 1 then set_rv_Lev' RS mk_conjunctN n i RS mp
1496 else set_rv_Lev' RS mk_conjunctN n i RS mp RSN
1497 (2, @{thm sum_case_weak_cong} RS iffD1) RS
1498 (mk_sum_casesN n i' RS iffD1))) ks) ks
1501 val set_Lev_thmsss =
1503 fun mk_conjunct i z =
1505 fun mk_conjunct' i' sets s z' =
1507 fun mk_conjunct'' i'' set z'' = HOLogic.mk_imp
1508 (HOLogic.mk_mem (z'', set $ (s $ z')),
1509 HOLogic.mk_mem (mk_append (kl,
1510 HOLogic.mk_list sum_sbdT [mk_InN sbdTs (mk_to_sbd s z' i' i'' $ z'') i'']),
1511 mk_Lev ss (HOLogic.mk_Suc nat) i $ z));
1513 HOLogic.mk_imp (HOLogic.mk_eq (mk_rv ss kl i $ z, mk_InN activeAs z' i'),
1514 (Library.foldr1 HOLogic.mk_conj (map3 mk_conjunct'' ks (drop m sets) zs_copy2)))
1517 HOLogic.mk_imp (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z),
1518 Library.foldr1 HOLogic.mk_conj (map4 mk_conjunct' ks setssAs ss zs_copy))
1521 val goal = list_all_free (kl :: zs @ zs_copy @ zs_copy2)
1522 (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
1524 val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
1526 val set_Lev = singleton (Proof_Context.export names_lthy lthy)
1527 (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
1528 (K (mk_set_Lev_tac lthy cts Lev_0s Lev_Sucs rv_Nils rv_Conss from_to_sbd_thmss)))
1529 |> Thm.close_derivation;
1531 val set_Lev' = mk_specN (3 * n + 1) set_Lev;
1533 map (fn i => map (fn i' => map (fn i'' => set_Lev' RS
1534 mk_conjunctN n i RS mp RS
1535 mk_conjunctN n i' RS mp RS
1536 mk_conjunctN n i'' RS mp) ks) ks) ks
1539 val set_image_Lev_thmsss =
1541 fun mk_conjunct i z =
1543 fun mk_conjunct' i' sets =
1545 fun mk_conjunct'' i'' set s z'' = HOLogic.mk_imp
1546 (HOLogic.mk_eq (mk_rv ss kl i $ z, mk_InN activeAs z'' i''),
1547 HOLogic.mk_mem (k, mk_image (mk_to_sbd s z'' i'' i') $ (set $ (s $ z''))));
1549 HOLogic.mk_imp (HOLogic.mk_mem
1550 (mk_append (kl, HOLogic.mk_list sum_sbdT [mk_InN sbdTs k i']),
1551 mk_Lev ss (HOLogic.mk_Suc nat) i $ z),
1552 (Library.foldr1 HOLogic.mk_conj (map4 mk_conjunct'' ks sets ss zs_copy)))
1555 HOLogic.mk_imp (HOLogic.mk_mem (kl, mk_Lev ss nat i $ z),
1556 Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct' ks (drop m setssAs')))
1559 val goal = list_all_free (kl :: k :: zs @ zs_copy)
1560 (Library.foldr1 HOLogic.mk_conj (map2 mk_conjunct ks zs));
1562 val cts = map (SOME o certify lthy) [Term.absfree nat' goal, nat];
1564 val set_image_Lev = singleton (Proof_Context.export names_lthy lthy)
1565 (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
1566 (K (mk_set_image_Lev_tac lthy cts Lev_0s Lev_Sucs rv_Nils rv_Conss
1567 from_to_sbd_thmss to_sbd_inj_thmss)))
1568 |> Thm.close_derivation;
1570 val set_image_Lev' = mk_specN (2 * n + 2) set_image_Lev;
1572 map (fn i => map (fn i' => map (fn i'' => set_image_Lev' RS
1573 mk_conjunctN n i RS mp RS
1574 mk_conjunctN n i'' RS mp RS
1575 mk_conjunctN n i' RS mp) ks) ks) ks
1579 Goal.prove_sorry lthy [] []
1580 (fold_rev Logic.all (As @ Bs @ ss) (Logic.mk_implies (coalg_prem,
1581 HOLogic.mk_Trueprop (mk_mor Bs ss carTAs strTAs (map (mk_beh ss) ks)))))
1582 (mk_mor_beh_tac m mor_def mor_cong_thm
1583 beh_defs carT_defs strT_defs isNode_defs
1584 to_sbd_inj_thmss from_to_sbd_thmss Lev_0s Lev_Sucs rv_Nils rv_Conss Lev_sbd_thms
1585 length_Lev_thms length_Lev'_thms prefCl_Lev_thms rv_last_thmss
1586 set_rv_Lev_thmsss set_Lev_thmsss set_image_Lev_thmsss
1587 set_mapss coalg_set_thmss map_comp_id_thms map_cong0s map_arg_cong_thms)
1588 |> Thm.close_derivation;
1590 val timer = time (timer "Behavioral morphism");
1592 fun mk_LSBIS As i = mk_lsbis As (map (mk_carT As) ks) strTAs i;
1593 fun mk_car_final As i =
1594 mk_quotient (mk_carT As i) (mk_LSBIS As i);
1595 fun mk_str_final As i =
1596 mk_univ (HOLogic.mk_comp (Term.list_comb (nth final_maps (i - 1),
1597 passive_ids @ map (mk_proj o mk_LSBIS As) ks), nth strTAs (i - 1)));
1599 val car_finalAs = map (mk_car_final As) ks;
1600 val str_finalAs = map (mk_str_final As) ks;
1601 val car_finals = map (mk_car_final passive_UNIVs) ks;
1602 val str_finals = map (mk_str_final passive_UNIVs) ks;
1604 val coalgT_set_thmss = map (map (fn thm => coalgT_thm RS thm)) coalg_set_thmss;
1605 val equiv_LSBIS_thms = map (fn thm => coalgT_thm RS thm) equiv_lsbis_thms;
1607 val congruent_str_final_thms =
1609 fun mk_goal R final_map strT =
1610 fold_rev Logic.all As (HOLogic.mk_Trueprop
1611 (mk_congruent R (HOLogic.mk_comp
1612 (Term.list_comb (final_map, passive_ids @ map (mk_proj o mk_LSBIS As) ks), strT))));
1614 val goals = map3 mk_goal (map (mk_LSBIS As) ks) final_maps strTAs;
1616 map4 (fn goal => fn lsbisE => fn map_comp_id => fn map_cong0 =>
1617 Goal.prove_sorry lthy [] [] goal
1618 (K (mk_congruent_str_final_tac m lsbisE map_comp_id map_cong0 equiv_LSBIS_thms))
1619 |> Thm.close_derivation)
1620 goals lsbisE_thms map_comp_id_thms map_cong0s
1623 val coalg_final_thm = Goal.prove_sorry lthy [] [] (fold_rev Logic.all As
1624 (HOLogic.mk_Trueprop (mk_coalg As car_finalAs str_finalAs)))
1625 (K (mk_coalg_final_tac m coalg_def congruent_str_final_thms equiv_LSBIS_thms
1626 set_mapss coalgT_set_thmss))
1627 |> Thm.close_derivation;
1629 val mor_T_final_thm = Goal.prove_sorry lthy [] [] (fold_rev Logic.all As
1630 (HOLogic.mk_Trueprop (mk_mor carTAs strTAs car_finalAs str_finalAs
1631 (map (mk_proj o mk_LSBIS As) ks))))
1632 (K (mk_mor_T_final_tac mor_def congruent_str_final_thms equiv_LSBIS_thms))
1633 |> Thm.close_derivation;
1635 val mor_final_thm = mor_comp_thm OF [mor_beh_thm, mor_T_final_thm];
1636 val in_car_final_thms = map (fn mor_image' => mor_image' OF
1637 [tcoalg_thm RS mor_final_thm, UNIV_I]) mor_image'_thms;
1639 val timer = time (timer "Final coalgebra");
1641 val ((T_names, (T_glob_infos, T_loc_infos)), lthy) =
1643 |> fold_map4 (fn b => fn mx => fn car_final => fn in_car_final =>
1644 typedef (Binding.conceal b, params, mx) car_final NONE
1645 (EVERY' [rtac exI, rtac in_car_final] 1)) bs mixfixes car_finals in_car_final_thms
1646 |>> apsnd split_list o split_list;
1648 val Ts = map (fn name => Type (name, params')) T_names;
1649 fun mk_Ts passive = map (Term.typ_subst_atomic (passiveAs ~~ passive)) Ts;
1650 val Ts' = mk_Ts passiveBs;
1651 val Ts'' = mk_Ts passiveCs;
1652 val Rep_Ts = map2 (fn info => fn T => Const (#Rep_name info, T --> treeQT)) T_glob_infos Ts;
1653 val Abs_Ts = map2 (fn info => fn T => Const (#Abs_name info, treeQT --> T)) T_glob_infos Ts;
1655 val Reps = map #Rep T_loc_infos;
1656 val Rep_injects = map #Rep_inject T_loc_infos;
1657 val Abs_inverses = map #Abs_inverse T_loc_infos;
1659 val timer = time (timer "THE TYPEDEFs & Rep/Abs thms");
1661 val UNIVs = map HOLogic.mk_UNIV Ts;
1662 val FTs = mk_FTs (passiveAs @ Ts);
1663 val FTs' = mk_FTs (passiveBs @ Ts);
1664 val prodTs = map (HOLogic.mk_prodT o `I) Ts;
1665 val prodFTs = mk_FTs (passiveAs @ prodTs);
1666 val FTs_setss = mk_setss (passiveAs @ Ts);
1667 val prodFT_setss = mk_setss (passiveAs @ prodTs);
1668 val map_FTs = map2 (fn Ds => mk_map_of_bnf Ds treeQTs (passiveAs @ Ts)) Dss bnfs;
1669 val map_FT_nths = map2 (fn Ds =>
1670 mk_map_of_bnf Ds (passiveAs @ prodTs) (passiveAs @ Ts)) Dss bnfs;
1671 val fstsTs = map fst_const prodTs;
1672 val sndsTs = map snd_const prodTs;
1673 val dtorTs = map2 (curry op -->) Ts FTs;
1674 val ctorTs = map2 (curry op -->) FTs Ts;
1675 val unfold_fTs = map2 (curry op -->) activeAs Ts;
1676 val corec_sTs = map (Term.typ_subst_atomic (activeBs ~~ Ts)) sum_sTs;
1677 val corec_maps = map (Term.subst_atomic_types (activeBs ~~ Ts)) map_Inls;
1678 val corec_maps_rev = map (Term.subst_atomic_types (activeBs ~~ Ts)) map_Inls_rev;
1679 val corec_Inls = map (Term.subst_atomic_types (activeBs ~~ Ts)) Inls;
1680 val corec_UNIVs = map2 (HOLogic.mk_UNIV oo curry mk_sumT) Ts activeAs;
1682 val ((((((((((((((Jzs, Jzs'), (Jz's, Jz's')), Jzs_copy), Jz's_copy), Jzs1), Jzs2), Jpairs),
1683 FJzs), TRs), unfold_fs), unfold_fs_copy), corec_ss), phis), names_lthy) = names_lthy
1685 ||>> mk_Frees' "y" Ts'
1686 ||>> mk_Frees "z'" Ts
1687 ||>> mk_Frees "y'" Ts'
1688 ||>> mk_Frees "z1" Ts
1689 ||>> mk_Frees "z2" Ts
1690 ||>> mk_Frees "j" (map2 (curry HOLogic.mk_prodT) Ts Ts')
1691 ||>> mk_Frees "x" prodFTs
1692 ||>> mk_Frees "r" (map (mk_relT o `I) Ts)
1693 ||>> mk_Frees "f" unfold_fTs
1694 ||>> mk_Frees "g" unfold_fTs
1695 ||>> mk_Frees "s" corec_sTs
1696 ||>> mk_Frees "P" (map2 mk_pred2T Ts Ts);
1698 fun dtor_bind i = nth external_bs (i - 1) |> Binding.prefix_name (dtorN ^ "_");
1699 val dtor_name = Binding.name_of o dtor_bind;
1700 val dtor_def_bind = rpair [] o Binding.conceal o Thm.def_binding o dtor_bind;
1702 fun dtor_spec i rep str map_FT dtorT Jz Jz' =
1704 val lhs = Free (dtor_name i, dtorT);
1705 val rhs = Term.absfree Jz'
1706 (Term.list_comb (map_FT, map HOLogic.id_const passiveAs @ Abs_Ts) $
1707 (str $ (rep $ Jz)));
1709 mk_Trueprop_eq (lhs, rhs)
1712 val ((dtor_frees, (_, dtor_def_frees)), (lthy, lthy_old)) =
1714 |> fold_map7 (fn i => fn rep => fn str => fn mapx => fn dtorT => fn Jz => fn Jz' =>
1715 Specification.definition (SOME (dtor_bind i, NONE, NoSyn),
1716 (dtor_def_bind i, dtor_spec i rep str mapx dtorT Jz Jz')))
1717 ks Rep_Ts str_finals map_FTs dtorTs Jzs Jzs'
1718 |>> apsnd split_list o split_list
1719 ||> `Local_Theory.restore;
1721 val phi = Proof_Context.export_morphism lthy_old lthy;
1722 fun mk_dtors passive =
1723 map (Term.subst_atomic_types (map (Morphism.typ phi) params' ~~ (mk_params passive)) o
1724 Morphism.term phi) dtor_frees;
1725 val dtors = mk_dtors passiveAs;
1726 val dtor's = mk_dtors passiveBs;
1727 val dtor_defs = map ((fn thm => thm RS fun_cong) o Morphism.thm phi) dtor_def_frees;
1729 val coalg_final_set_thmss = map (map (fn thm => coalg_final_thm RS thm)) coalg_set_thmss;
1730 val (mor_Rep_thm, mor_Abs_thm) =
1733 Goal.prove_sorry lthy [] []
1734 (HOLogic.mk_Trueprop (mk_mor UNIVs dtors car_finals str_finals Rep_Ts))
1735 (mk_mor_Rep_tac m (mor_def :: dtor_defs) Reps Abs_inverses coalg_final_set_thmss
1736 map_comp_id_thms map_cong0L_thms)
1737 |> Thm.close_derivation;
1740 Goal.prove_sorry lthy [] []
1741 (HOLogic.mk_Trueprop (mk_mor car_finals str_finals UNIVs dtors Abs_Ts))
1742 (mk_mor_Abs_tac (mor_def :: dtor_defs) Abs_inverses)
1743 |> Thm.close_derivation;
1748 val timer = time (timer "dtor definitions & thms");
1750 fun unfold_bind i = nth external_bs (i - 1) |> Binding.prefix_name (dtor_unfoldN ^ "_");
1751 val unfold_name = Binding.name_of o unfold_bind;
1752 val unfold_def_bind = rpair [] o Binding.conceal o Thm.def_binding o unfold_bind;
1754 fun unfold_spec i T AT abs f z z' =
1756 val unfoldT = Library.foldr (op -->) (sTs, AT --> T);
1758 val lhs = Term.list_comb (Free (unfold_name i, unfoldT), ss);
1759 val rhs = Term.absfree z' (abs $ (f $ z));
1761 mk_Trueprop_eq (lhs, rhs)
1764 val ((unfold_frees, (_, unfold_def_frees)), (lthy, lthy_old)) =
1766 |> fold_map7 (fn i => fn T => fn AT => fn abs => fn f => fn z => fn z' =>
1767 Specification.definition
1768 (SOME (unfold_bind i, NONE, NoSyn), (unfold_def_bind i, unfold_spec i T AT abs f z z')))
1769 ks Ts activeAs Abs_Ts (map (fn i => HOLogic.mk_comp
1770 (mk_proj (mk_LSBIS passive_UNIVs i), mk_beh ss i)) ks) zs zs'
1771 |>> apsnd split_list o split_list
1772 ||> `Local_Theory.restore;
1774 val phi = Proof_Context.export_morphism lthy_old lthy;
1775 val unfolds = map (Morphism.term phi) unfold_frees;
1776 val unfold_names = map (fst o dest_Const) unfolds;
1777 fun mk_unfolds passives actives =
1778 map3 (fn name => fn T => fn active =>
1779 Const (name, Library.foldr (op -->)
1780 (map2 (curry op -->) actives (mk_FTs (passives @ actives)), active --> T)))
1781 unfold_names (mk_Ts passives) actives;
1782 fun mk_unfold Ts ss i = Term.list_comb (Const (nth unfold_names (i - 1), Library.foldr (op -->)
1783 (map fastype_of ss, domain_type (fastype_of (nth ss (i - 1))) --> nth Ts (i - 1))), ss);
1784 val unfold_defs = map ((fn thm => thm RS fun_cong) o Morphism.thm phi) unfold_def_frees;
1786 val mor_unfold_thm =
1788 val Abs_inverses' = map2 (curry op RS) in_car_final_thms Abs_inverses;
1789 val morEs' = map (fn thm =>
1790 (thm OF [tcoalg_thm RS mor_final_thm, UNIV_I]) RS sym) morE_thms;
1792 Goal.prove_sorry lthy [] []
1793 (fold_rev Logic.all ss
1794 (HOLogic.mk_Trueprop (mk_mor active_UNIVs ss UNIVs dtors (map (mk_unfold Ts ss) ks))))
1795 (K (mk_mor_unfold_tac m mor_UNIV_thm dtor_defs unfold_defs Abs_inverses' morEs'
1796 map_comp_id_thms map_cong0s))
1797 |> Thm.close_derivation
1799 val dtor_unfold_thms = map (fn thm => (thm OF [mor_unfold_thm, UNIV_I]) RS sym) morE_thms;
1801 val (raw_coind_thms, raw_coind_thm) =
1803 val prem = HOLogic.mk_Trueprop (mk_sbis passive_UNIVs UNIVs dtors TRs);
1804 val concl = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
1805 (map2 (fn R => fn T => mk_leq R (Id_const T)) TRs Ts));
1806 val goal = fold_rev Logic.all TRs (Logic.mk_implies (prem, concl));
1808 `split_conj_thm (Goal.prove_sorry lthy [] [] goal
1809 (K (mk_raw_coind_tac bis_def bis_cong_thm bis_O_thm bis_converse_thm bis_Gr_thm
1810 tcoalg_thm coalgT_thm mor_T_final_thm sbis_lsbis_thm
1811 lsbis_incl_thms incl_lsbis_thms equiv_LSBIS_thms mor_Rep_thm Rep_injects))
1812 |> Thm.close_derivation)
1815 val unique_mor_thms =
1817 val prems = [HOLogic.mk_Trueprop (mk_coalg passive_UNIVs Bs ss), HOLogic.mk_Trueprop
1818 (HOLogic.mk_conj (mk_mor Bs ss UNIVs dtors unfold_fs,
1819 mk_mor Bs ss UNIVs dtors unfold_fs_copy))];
1820 fun mk_fun_eq B f g z = HOLogic.mk_imp
1821 (HOLogic.mk_mem (z, B), HOLogic.mk_eq (f $ z, g $ z));
1822 val unique = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
1823 (map4 mk_fun_eq Bs unfold_fs unfold_fs_copy zs));
1825 val unique_mor = Goal.prove_sorry lthy [] []
1826 (fold_rev Logic.all (Bs @ ss @ unfold_fs @ unfold_fs_copy @ zs)
1827 (Logic.list_implies (prems, unique)))
1828 (K (mk_unique_mor_tac raw_coind_thms bis_image2_thm))
1829 |> Thm.close_derivation;
1831 map (fn thm => conjI RSN (2, thm RS mp)) (split_conj_thm unique_mor)
1834 val (unfold_unique_mor_thms, unfold_unique_mor_thm) =
1836 val prem = HOLogic.mk_Trueprop (mk_mor active_UNIVs ss UNIVs dtors unfold_fs);
1837 fun mk_fun_eq f i = HOLogic.mk_eq (f, mk_unfold Ts ss i);
1838 val unique = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
1839 (map2 mk_fun_eq unfold_fs ks));
1841 val bis_thm = tcoalg_thm RSN (2, tcoalg_thm RS bis_image2_thm);
1842 val mor_thm = mor_comp_thm OF [tcoalg_thm RS mor_final_thm, mor_Abs_thm];
1844 val unique_mor = Goal.prove_sorry lthy [] []
1845 (fold_rev Logic.all (ss @ unfold_fs) (Logic.mk_implies (prem, unique)))
1846 (K (mk_unfold_unique_mor_tac raw_coind_thms bis_thm mor_thm unfold_defs))
1847 |> Thm.close_derivation;
1849 `split_conj_thm unique_mor
1852 val (dtor_unfold_unique_thms, dtor_unfold_unique_thm) = `split_conj_thm (split_conj_prems n
1853 (mor_UNIV_thm RS iffD2 RS unfold_unique_mor_thm));
1855 val unfold_dtor_thms = map (fn thm => mor_id_thm RS thm RS sym) unfold_unique_mor_thms;
1857 val unfold_o_dtor_thms =
1859 val mor = mor_comp_thm OF [mor_str_thm, mor_unfold_thm];
1861 map2 (fn unique => fn unfold_ctor =>
1862 trans OF [mor RS unique, unfold_ctor]) unfold_unique_mor_thms unfold_dtor_thms
1865 val timer = time (timer "unfold definitions & thms");
1867 val map_dtors = map2 (fn Ds => fn bnf =>
1868 Term.list_comb (mk_map_of_bnf Ds (passiveAs @ Ts) (passiveAs @ FTs) bnf,
1869 map HOLogic.id_const passiveAs @ dtors)) Dss bnfs;
1871 fun ctor_bind i = nth external_bs (i - 1) |> Binding.prefix_name (ctorN ^ "_");
1872 val ctor_name = Binding.name_of o ctor_bind;
1873 val ctor_def_bind = rpair [] o Binding.conceal o Thm.def_binding o ctor_bind;
1875 fun ctor_spec i ctorT =
1877 val lhs = Free (ctor_name i, ctorT);
1878 val rhs = mk_unfold Ts map_dtors i;
1880 mk_Trueprop_eq (lhs, rhs)
1883 val ((ctor_frees, (_, ctor_def_frees)), (lthy, lthy_old)) =
1885 |> fold_map2 (fn i => fn ctorT =>
1886 Specification.definition
1887 (SOME (ctor_bind i, NONE, NoSyn), (ctor_def_bind i, ctor_spec i ctorT))) ks ctorTs
1888 |>> apsnd split_list o split_list
1889 ||> `Local_Theory.restore;
1891 val phi = Proof_Context.export_morphism lthy_old lthy;
1892 fun mk_ctors params =
1893 map (Term.subst_atomic_types (map (Morphism.typ phi) params' ~~ params) o Morphism.term phi)
1895 val ctors = mk_ctors params';
1896 val ctor_defs = map (Morphism.thm phi) ctor_def_frees;
1898 val ctor_o_dtor_thms = map2 (fold_thms lthy o single) ctor_defs unfold_o_dtor_thms;
1900 val dtor_o_ctor_thms =
1902 fun mk_goal dtor ctor FT =
1903 mk_Trueprop_eq (HOLogic.mk_comp (dtor, ctor), HOLogic.id_const FT);
1904 val goals = map3 mk_goal dtors ctors FTs;
1906 map5 (fn goal => fn ctor_def => fn unfold => fn map_comp_id => fn map_cong0L =>
1907 Goal.prove_sorry lthy [] [] goal
1908 (mk_dtor_o_ctor_tac ctor_def unfold map_comp_id map_cong0L unfold_o_dtor_thms)
1909 |> Thm.close_derivation)
1910 goals ctor_defs dtor_unfold_thms map_comp_id_thms map_cong0L_thms
1913 val dtor_ctor_thms = map (fn thm => thm RS @{thm pointfree_idE}) dtor_o_ctor_thms;
1914 val ctor_dtor_thms = map (fn thm => thm RS @{thm pointfree_idE}) ctor_o_dtor_thms;
1917 map2 (fn thm1 => fn thm2 => @{thm o_bij} OF [thm1, thm2]) ctor_o_dtor_thms dtor_o_ctor_thms;
1918 val inj_dtor_thms = map (fn thm => thm RS @{thm bij_is_inj}) bij_dtor_thms;
1919 val surj_dtor_thms = map (fn thm => thm RS @{thm bij_is_surj}) bij_dtor_thms;
1920 val dtor_nchotomy_thms = map (fn thm => thm RS @{thm surjD}) surj_dtor_thms;
1921 val dtor_inject_thms = map (fn thm => thm RS @{thm inj_eq}) inj_dtor_thms;
1922 val dtor_exhaust_thms = map (fn thm => thm RS exE) dtor_nchotomy_thms;
1925 map2 (fn thm1 => fn thm2 => @{thm o_bij} OF [thm1, thm2]) dtor_o_ctor_thms ctor_o_dtor_thms;
1926 val inj_ctor_thms = map (fn thm => thm RS @{thm bij_is_inj}) bij_ctor_thms;
1927 val surj_ctor_thms = map (fn thm => thm RS @{thm bij_is_surj}) bij_ctor_thms;
1928 val ctor_nchotomy_thms = map (fn thm => thm RS @{thm surjD}) surj_ctor_thms;
1929 val ctor_inject_thms = map (fn thm => thm RS @{thm inj_eq}) inj_ctor_thms;
1930 val ctor_exhaust_thms = map (fn thm => thm RS exE) ctor_nchotomy_thms;
1932 val timer = time (timer "ctor definitions & thms");
1934 val corec_Inl_sum_thms =
1936 val mor = mor_comp_thm OF [mor_sum_case_thm, mor_unfold_thm];
1938 map2 (fn unique => fn unfold_dtor =>
1939 trans OF [mor RS unique, unfold_dtor]) unfold_unique_mor_thms unfold_dtor_thms
1942 fun corec_bind i = nth external_bs (i - 1) |> Binding.prefix_name (dtor_corecN ^ "_");
1943 val corec_name = Binding.name_of o corec_bind;
1944 val corec_def_bind = rpair [] o Binding.conceal o Thm.def_binding o corec_bind;
1947 map3 (fn dtor => fn sum_s => fn mapx =>
1949 (HOLogic.mk_comp (Term.list_comb (mapx, passive_ids @ corec_Inls), dtor), sum_s))
1950 dtors corec_ss corec_maps;
1952 fun corec_spec i T AT =
1954 val corecT = Library.foldr (op -->) (corec_sTs, AT --> T);
1956 val lhs = Term.list_comb (Free (corec_name i, corecT), corec_ss);
1957 val rhs = HOLogic.mk_comp (mk_unfold Ts corec_strs i, Inr_const T AT);
1959 mk_Trueprop_eq (lhs, rhs)
1962 val ((corec_frees, (_, corec_def_frees)), (lthy, lthy_old)) =
1964 |> fold_map3 (fn i => fn T => fn AT =>
1965 Specification.definition
1966 (SOME (corec_bind i, NONE, NoSyn), (corec_def_bind i, corec_spec i T AT)))
1968 |>> apsnd split_list o split_list
1969 ||> `Local_Theory.restore;
1971 val phi = Proof_Context.export_morphism lthy_old lthy;
1972 val corecs = map (Morphism.term phi) corec_frees;
1973 val corec_names = map (fst o dest_Const) corecs;
1974 fun mk_corec ss i = Term.list_comb (Const (nth corec_names (i - 1), Library.foldr (op -->)
1975 (map fastype_of ss, domain_type (fastype_of (nth ss (i - 1))) --> nth Ts (i - 1))), ss);
1976 val corec_defs = map (Morphism.thm phi) corec_def_frees;
1979 map2 (fn T => fn i => mk_sum_case (HOLogic.id_const T, mk_corec corec_ss i)) Ts ks;
1980 val dtor_corec_thms =
1982 fun mk_goal i corec_s corec_map dtor z =
1984 val lhs = dtor $ (mk_corec corec_ss i $ z);
1985 val rhs = Term.list_comb (corec_map, passive_ids @ sum_cases) $ (corec_s $ z);
1987 fold_rev Logic.all (z :: corec_ss) (mk_Trueprop_eq (lhs, rhs))
1989 val goals = map5 mk_goal ks corec_ss corec_maps_rev dtors zs;
1991 map3 (fn goal => fn unfold => fn map_cong0 =>
1992 Goal.prove_sorry lthy [] [] goal
1993 (mk_corec_tac m corec_defs unfold map_cong0 corec_Inl_sum_thms)
1994 |> Thm.close_derivation)
1995 goals dtor_unfold_thms map_cong0s
1998 val corec_unique_mor_thm =
2000 val id_fs = map2 (fn T => fn f => mk_sum_case (HOLogic.id_const T, f)) Ts unfold_fs;
2001 val prem = HOLogic.mk_Trueprop (mk_mor corec_UNIVs corec_strs UNIVs dtors id_fs);
2002 fun mk_fun_eq f i = HOLogic.mk_eq (f, mk_corec corec_ss i);
2003 val unique = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
2004 (map2 mk_fun_eq unfold_fs ks));
2006 Goal.prove_sorry lthy [] []
2007 (fold_rev Logic.all (corec_ss @ unfold_fs) (Logic.mk_implies (prem, unique)))
2008 (mk_corec_unique_mor_tac corec_defs corec_Inl_sum_thms unfold_unique_mor_thm)
2009 |> Thm.close_derivation
2014 mk_trans (thm RS @{thm arg_cong2[of _ _ _ _ "op o", OF _ refl]}) @{thm id_o})
2017 val (dtor_corec_unique_thms, dtor_corec_unique_thm) =
2018 `split_conj_thm (split_conj_prems n
2019 (mor_UNIV_thm RS iffD2 RS corec_unique_mor_thm)
2020 |> Local_Defs.unfold lthy (@{thms o_sum_case o_id id_o o_assoc sum_case_o_inj(1)} @
2021 map_id0s_o_id @ sym_map_comps)
2022 OF replicate n @{thm arg_cong2[of _ _ _ _ sum_case, OF refl]});
2024 val timer = time (timer "corec definitions & thms");
2026 val (dtor_map_coinduct_thm, coinduct_params, dtor_coinduct_thm) =
2028 val zs = Jzs1 @ Jzs2;
2029 val frees = phis @ zs;
2031 val rels = map (Term.subst_atomic_types ((activeAs ~~ Ts) @ (activeBs ~~ Ts))) relsAsBs;
2033 fun mk_concl phi z1 z2 = HOLogic.mk_imp (phi $ z1 $ z2, HOLogic.mk_eq (z1, z2));
2034 val concl = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
2035 (map3 mk_concl phis Jzs1 Jzs2));
2037 fun mk_rel_prem phi dtor rel Jz Jz_copy =
2039 val concl = Term.list_comb (rel, map HOLogic.eq_const passiveAs @ phis) $
2040 (dtor $ Jz) $ (dtor $ Jz_copy);
2043 (list_all_free [Jz, Jz_copy] (HOLogic.mk_imp (phi $ Jz $ Jz_copy, concl)))
2046 val rel_prems = map5 mk_rel_prem phis dtors rels Jzs Jzs_copy;
2047 val dtor_coinduct_goal =
2048 fold_rev Logic.all frees (Logic.list_implies (rel_prems, concl));
2051 Goal.prove_sorry lthy [] [] dtor_coinduct_goal
2052 (K (mk_dtor_coinduct_tac m raw_coind_thm bis_rel_thm rel_congs))
2053 |> Thm.close_derivation;
2055 fun mk_prem phi dtor map_nth sets Jz Jz_copy FJz =
2057 val xs = [Jz, Jz_copy];
2059 fun mk_map_conjunct nths x =
2060 HOLogic.mk_eq (Term.list_comb (map_nth, passive_ids @ nths) $ FJz, dtor $ x);
2062 fun mk_set_conjunct set phi z1 z2 =
2063 list_all_free [z1, z2]
2064 (HOLogic.mk_imp (HOLogic.mk_mem (HOLogic.mk_prod (z1, z2), set $ FJz),
2067 val concl = list_exists_free [FJz] (HOLogic.mk_conj
2068 (Library.foldr1 HOLogic.mk_conj (map2 mk_map_conjunct [fstsTs, sndsTs] xs),
2069 Library.foldr1 HOLogic.mk_conj
2070 (map4 mk_set_conjunct (drop m sets) phis Jzs1 Jzs2)));
2072 fold_rev Logic.all xs (Logic.mk_implies
2073 (HOLogic.mk_Trueprop (Term.list_comb (phi, xs)), HOLogic.mk_Trueprop concl))
2076 val prems = map7 mk_prem phis dtors map_FT_nths prodFT_setss Jzs Jzs_copy FJzs;
2078 val dtor_map_coinduct_goal = fold_rev Logic.all frees (Logic.list_implies (prems, concl));
2079 val dtor_map_coinduct =
2080 Goal.prove_sorry lthy [] [] dtor_map_coinduct_goal
2081 (K (mk_dtor_map_coinduct_tac m ks raw_coind_thm bis_def))
2082 |> Thm.close_derivation;
2084 (dtor_map_coinduct, rev (Term.add_tfrees dtor_map_coinduct_goal []), dtor_coinduct)
2087 val timer = time (timer "coinduction");
2089 fun mk_dtor_map_DEADID_thm dtor_inject map_id0 =
2090 trans OF [iffD2 OF [dtor_inject, id_apply], map_id0 RS sym];
2092 fun mk_dtor_Jrel_DEADID_thm dtor_inject bnf =
2093 trans OF [rel_eq_of_bnf bnf RS @{thm predicate2_eqD}, dtor_inject] RS sym;
2095 val JphiTs = map2 mk_pred2T passiveAs passiveBs;
2096 val prodTsTs' = map2 (curry HOLogic.mk_prodT) Ts Ts';
2097 val fstsTsTs' = map fst_const prodTsTs';
2098 val sndsTsTs' = map snd_const prodTsTs';
2099 val activephiTs = map2 mk_pred2T activeAs activeBs;
2100 val activeJphiTs = map2 mk_pred2T Ts Ts';
2101 val (((Jphis, activephis), activeJphis), names_lthy) = names_lthy
2102 |> mk_Frees "R" JphiTs
2103 ||>> mk_Frees "S" activephiTs
2104 ||>> mk_Frees "JR" activeJphiTs;
2105 val rels = map2 (fn Ds => mk_rel_of_bnf Ds (passiveAs @ Ts) (passiveBs @ Ts')) Dss bnfs;
2106 val in_rels = map in_rel_of_bnf bnfs;
2108 (*register new codatatypes as BNFs*)
2109 val (timer, Jbnfs, (folded_dtor_map_o_thms, folded_dtor_map_thms), folded_dtor_set_thmss',
2110 dtor_set_induct_thms, dtor_Jrel_thms, Jbnf_notes, lthy) =
2112 (timer, replicate n DEADID_bnf,
2113 map_split (`(mk_pointfree lthy)) (map2 mk_dtor_map_DEADID_thm dtor_inject_thms map_ids),
2114 replicate n [], [], map2 mk_dtor_Jrel_DEADID_thm dtor_inject_thms bnfs, [], lthy)
2116 val fTs = map2 (curry op -->) passiveAs passiveBs;
2117 val gTs = map2 (curry op -->) passiveBs passiveCs;
2118 val f1Ts = map2 (curry op -->) passiveAs passiveYs;
2119 val f2Ts = map2 (curry op -->) passiveBs passiveYs;
2120 val p1Ts = map2 (curry op -->) passiveXs passiveAs;
2121 val p2Ts = map2 (curry op -->) passiveXs passiveBs;
2122 val pTs = map2 (curry op -->) passiveXs passiveCs;
2123 val uTs = map2 (curry op -->) Ts Ts';
2124 val B1Ts = map HOLogic.mk_setT passiveAs;
2125 val B2Ts = map HOLogic.mk_setT passiveBs;
2126 val AXTs = map HOLogic.mk_setT passiveXs;
2127 val XTs = mk_Ts passiveXs;
2128 val YTs = mk_Ts passiveYs;
2130 val ((((((((((((((((((fs, fs'), fs_copy), gs), us),
2131 (Jys, Jys')), (Jys_copy, Jys'_copy)), dtor_set_induct_phiss),
2132 B1s), B2s), AXs), f1s), f2s), p1s), p2s), ps), (ys, ys')), (ys_copy, ys'_copy)),
2133 names_lthy) = names_lthy
2134 |> mk_Frees' "f" fTs
2135 ||>> mk_Frees "f" fTs
2136 ||>> mk_Frees "g" gTs
2137 ||>> mk_Frees "u" uTs
2138 ||>> mk_Frees' "b" Ts'
2139 ||>> mk_Frees' "b" Ts'
2140 ||>> mk_Freess "P" (map (fn A => map (mk_pred2T A) Ts) passiveAs)
2141 ||>> mk_Frees "B1" B1Ts
2142 ||>> mk_Frees "B2" B2Ts
2143 ||>> mk_Frees "A" AXTs
2144 ||>> mk_Frees "f1" f1Ts
2145 ||>> mk_Frees "f2" f2Ts
2146 ||>> mk_Frees "p1" p1Ts
2147 ||>> mk_Frees "p2" p2Ts
2148 ||>> mk_Frees "p" pTs
2149 ||>> mk_Frees' "y" passiveAs
2150 ||>> mk_Frees' "y" passiveAs;
2152 val map_FTFT's = map2 (fn Ds =>
2153 mk_map_of_bnf Ds (passiveAs @ Ts) (passiveBs @ Ts')) Dss bnfs;
2155 fun mk_maps ATs BTs Ts mk_T =
2156 map2 (fn Ds => mk_map_of_bnf Ds (ATs @ Ts) (BTs @ map mk_T Ts)) Dss bnfs;
2157 fun mk_Fmap mk_const fs Ts Fmap = Term.list_comb (Fmap, fs @ map mk_const Ts);
2158 fun mk_map mk_const mk_T Ts fs Ts' dtors mk_maps =
2159 mk_unfold Ts' (map2 (fn dtor => fn Fmap =>
2160 HOLogic.mk_comp (mk_Fmap mk_const fs Ts Fmap, dtor)) dtors (mk_maps Ts mk_T));
2161 val mk_map_id = mk_map HOLogic.id_const I;
2162 val mk_mapsAB = mk_maps passiveAs passiveBs;
2163 val mk_mapsBC = mk_maps passiveBs passiveCs;
2164 val mk_mapsAC = mk_maps passiveAs passiveCs;
2165 val mk_mapsAY = mk_maps passiveAs passiveYs;
2166 val mk_mapsBY = mk_maps passiveBs passiveYs;
2167 val mk_mapsXA = mk_maps passiveXs passiveAs;
2168 val mk_mapsXB = mk_maps passiveXs passiveBs;
2169 val mk_mapsXC = mk_maps passiveXs passiveCs;
2170 val fs_maps = map (mk_map_id Ts fs Ts' dtors mk_mapsAB) ks;
2171 val fs_copy_maps = map (mk_map_id Ts fs_copy Ts' dtors mk_mapsAB) ks;
2172 val gs_maps = map (mk_map_id Ts' gs Ts'' dtor's mk_mapsBC) ks;
2174 map (mk_map_id Ts (map2 (curry HOLogic.mk_comp) gs fs) Ts'' dtors mk_mapsAC) ks;
2175 val Xdtors = mk_dtors passiveXs;
2176 val UNIV's = map HOLogic.mk_UNIV Ts';
2177 val CUNIVs = map HOLogic.mk_UNIV passiveCs;
2178 val UNIV''s = map HOLogic.mk_UNIV Ts'';
2179 val dtor''s = mk_dtors passiveCs;
2180 val f1s_maps = map (mk_map_id Ts f1s YTs dtors mk_mapsAY) ks;
2181 val f2s_maps = map (mk_map_id Ts' f2s YTs dtor's mk_mapsBY) ks;
2182 val pid_maps = map (mk_map_id XTs ps Ts'' Xdtors mk_mapsXC) ks;
2184 map (mk_Fmap fst_const p1s prodTsTs') (mk_mapsXA prodTsTs' (fst o HOLogic.dest_prodT));
2186 map (mk_Fmap snd_const p2s prodTsTs') (mk_mapsXB prodTsTs' (snd o HOLogic.dest_prodT));
2187 val p1id_Fmaps = map (mk_Fmap HOLogic.id_const p1s prodTsTs') (mk_mapsXA prodTsTs' I);
2188 val p2id_Fmaps = map (mk_Fmap HOLogic.id_const p2s prodTsTs') (mk_mapsXB prodTsTs' I);
2189 val pid_Fmaps = map (mk_Fmap HOLogic.id_const ps prodTsTs') (mk_mapsXC prodTsTs' I);
2191 val (dtor_map_thms, map_thms) =
2193 fun mk_goal fs_map map dtor dtor' = fold_rev Logic.all fs
2194 (mk_Trueprop_eq (HOLogic.mk_comp (dtor', fs_map),
2195 HOLogic.mk_comp (Term.list_comb (map, fs @ fs_maps), dtor)));
2196 val goals = map4 mk_goal fs_maps map_FTFT's dtors dtor's;
2197 val cTs = map (SOME o certifyT lthy) FTs';
2199 map5 (fn goal => fn cT => fn unfold => fn map_comp => fn map_cong0 =>
2200 Goal.prove_sorry lthy [] [] goal
2201 (K (mk_map_tac m n cT unfold map_comp map_cong0))
2202 |> Thm.close_derivation)
2203 goals cTs dtor_unfold_thms map_comps map_cong0s;
2205 map_split (fn thm => (thm RS @{thm comp_eq_dest}, thm)) maps
2208 val map_comp0_thms =
2210 val goal = fold_rev Logic.all (fs @ gs)
2211 (HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
2212 (map3 (fn fmap => fn gmap => fn fgmap =>
2213 HOLogic.mk_eq (HOLogic.mk_comp (gmap, fmap), fgmap))
2214 fs_maps gs_maps fgs_maps)))
2216 split_conj_thm (Goal.prove_sorry lthy [] [] goal
2217 (K (mk_map_comp0_tac m n map_thms map_comp0s map_cong0s dtor_unfold_unique_thm))
2218 |> Thm.close_derivation)
2221 val dtor_map_unique_thm =
2223 fun mk_prem u map dtor dtor' =
2224 mk_Trueprop_eq (HOLogic.mk_comp (dtor', u),
2225 HOLogic.mk_comp (Term.list_comb (map, fs @ us), dtor));
2226 val prems = map4 mk_prem us map_FTFT's dtors dtor's;
2228 HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
2229 (map2 (curry HOLogic.mk_eq) us fs_maps));
2231 Goal.prove_sorry lthy [] []
2232 (fold_rev Logic.all (us @ fs) (Logic.list_implies (prems, goal)))
2233 (mk_dtor_map_unique_tac dtor_unfold_unique_thm sym_map_comps)
2234 |> Thm.close_derivation
2237 val timer = time (timer "map functions for the new codatatypes");
2239 val bd = mk_cexp sbd sbd;
2241 val timer = time (timer "bounds for the new codatatypes");
2243 val setss_by_bnf = map (fn i => map2 (mk_hset dtors i) ls passiveAs) ks;
2244 val setss_by_bnf' = map (fn i => map2 (mk_hset dtor's i) ls passiveBs) ks;
2245 val setss_by_range = transpose setss_by_bnf;
2247 val dtor_set_thmss =
2249 fun mk_simp_goal relate pas_set act_sets sets dtor z set =
2250 relate (set $ z, mk_union (pas_set $ (dtor $ z),
2251 Library.foldl1 mk_union
2252 (map2 (fn X => mk_UNION (X $ (dtor $ z))) act_sets sets)));
2254 map2 (fn i => fn sets =>
2256 mk_simp_goal eq (nth Fsets (i - 1)) (drop m Fsets) sets)
2257 FTs_setss dtors Jzs sets)
2261 (fold_rev Logic.all Jzs o HOLogic.mk_Trueprop o Library.foldr1 HOLogic.mk_conj)
2262 (mk_goals (uncurry mk_leq));
2263 val set_le_thmss = map split_conj_thm
2264 (map4 (fn goal => fn hset_minimal => fn set_hsets => fn set_hset_hsetss =>
2265 Goal.prove_sorry lthy [] [] goal
2266 (K (mk_set_le_tac n hset_minimal set_hsets set_hset_hsetss))
2267 |> Thm.close_derivation)
2268 le_goals hset_minimal_thms set_hset_thmss' set_hset_hset_thmsss');
2270 val simp_goalss = map (map2 (fn z => fn goal =>
2271 Logic.all z (HOLogic.mk_Trueprop goal)) Jzs)
2272 (mk_goals HOLogic.mk_eq);
2274 map4 (map4 (fn goal => fn set_le => fn set_incl_hset => fn set_hset_incl_hsets =>
2275 Goal.prove_sorry lthy [] [] goal
2276 (K (mk_dtor_set_tac n set_le set_incl_hset set_hset_incl_hsets))
2277 |> Thm.close_derivation))
2278 simp_goalss set_le_thmss set_incl_hset_thmss' set_hset_incl_hset_thmsss'
2281 val timer = time (timer "set functions for the new codatatypes");
2283 val colss = map2 (fn j => fn T =>
2284 map (fn i => mk_hset_rec dtors nat i j T) ks) ls passiveAs;
2285 val colss' = map2 (fn j => fn T =>
2286 map (fn i => mk_hset_rec dtor's nat i j T) ks) ls passiveBs;
2287 val Xcolss = map2 (fn j => fn T =>
2288 map (fn i => mk_hset_rec Xdtors nat i j T) ks) ls passiveXs;
2290 val col_natural_thmss =
2292 fun mk_col_natural f map z col col' =
2293 HOLogic.mk_eq (mk_image f $ (col $ z), col' $ (map $ z));
2295 fun mk_goal f cols cols' = list_all_free Jzs (Library.foldr1 HOLogic.mk_conj
2296 (map4 (mk_col_natural f) fs_maps Jzs cols cols'));
2298 val goals = map3 mk_goal fs colss colss';
2301 map (fn phi => map (SOME o certify lthy) [Term.absfree nat' phi, nat]) goals;
2304 map4 (fn goal => fn cts => fn rec_0s => fn rec_Sucs =>
2305 singleton (Proof_Context.export names_lthy lthy)
2306 (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
2307 (mk_col_natural_tac cts rec_0s rec_Sucs dtor_map_thms set_mapss))
2308 |> Thm.close_derivation)
2309 goals ctss hset_rec_0ss' hset_rec_Sucss';
2311 map (split_conj_thm o mk_specN n) thms
2316 fun mk_col_bd z col = mk_ordLeq (mk_card_of (col $ z)) sbd;
2318 fun mk_goal cols = list_all_free Jzs (Library.foldr1 HOLogic.mk_conj
2319 (map2 mk_col_bd Jzs cols));
2321 val goals = map mk_goal colss;
2324 map (fn phi => map (SOME o certify lthy) [Term.absfree nat' phi, nat]) goals;
2327 map5 (fn j => fn goal => fn cts => fn rec_0s => fn rec_Sucs =>
2328 singleton (Proof_Context.export names_lthy lthy)
2329 (Goal.prove_sorry lthy [] [] (HOLogic.mk_Trueprop goal)
2330 (K (mk_col_bd_tac m j cts rec_0s rec_Sucs
2331 sbd_Card_order sbd_Cinfinite set_sbdss)))
2332 |> Thm.close_derivation)
2333 ls goals ctss hset_rec_0ss' hset_rec_Sucss';
2335 map (split_conj_thm o mk_specN n) thms
2338 val map_cong0_thms =
2340 val cTs = map (SOME o certifyT lthy o
2341 Term.typ_subst_atomic (passiveAs ~~ passiveBs) o TFree) coinduct_params;
2343 fun mk_prem z set f g y y' =
2344 mk_Ball (set $ z) (Term.absfree y' (HOLogic.mk_eq (f $ y, g $ y)));
2346 fun mk_prems sets z =
2347 Library.foldr1 HOLogic.mk_conj (map5 (mk_prem z) sets fs fs_copy ys ys')
2349 fun mk_map_cong0 sets z fmap gmap =
2350 HOLogic.mk_imp (mk_prems sets z, HOLogic.mk_eq (fmap $ z, gmap $ z));
2352 fun mk_coind_body sets (x, T) z fmap gmap y y_copy =
2354 (HOLogic.mk_mem (z, HOLogic.mk_Collect (x, T, mk_prems sets z)),
2355 HOLogic.mk_conj (HOLogic.mk_eq (y, fmap $ z),
2356 HOLogic.mk_eq (y_copy, gmap $ z)))
2358 fun mk_cphi sets (z' as (x, T)) z fmap gmap y' y y'_copy y_copy =
2359 HOLogic.mk_exists (x, T, mk_coind_body sets z' z fmap gmap y y_copy)
2360 |> Term.absfree y'_copy
2365 map9 mk_cphi setss_by_bnf Jzs' Jzs fs_maps fs_copy_maps Jys' Jys Jys'_copy Jys_copy;
2367 val coinduct = Drule.instantiate' cTs (map SOME cphis) dtor_map_coinduct_thm;
2370 HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
2371 (map4 mk_map_cong0 setss_by_bnf Jzs fs_maps fs_copy_maps));
2373 val thm = singleton (Proof_Context.export names_lthy lthy)
2374 (Goal.prove_sorry lthy [] [] goal
2375 (K (mk_mcong_tac lthy m (rtac coinduct) map_comps dtor_map_thms map_cong0s set_mapss
2376 set_hset_thmss set_hset_hset_thmsss)))
2377 |> Thm.close_derivation
2382 val B1_ins = map2 (mk_in B1s) setss_by_bnf Ts;
2383 val B2_ins = map2 (mk_in B2s) setss_by_bnf' Ts';
2384 val thePulls = map4 mk_thePull B1_ins B2_ins f1s_maps f2s_maps;
2385 val thePullTs = passiveXs @ map2 (curry HOLogic.mk_prodT) Ts Ts';
2386 val thePull_ins = map2 (mk_in (AXs @ thePulls)) (mk_setss thePullTs) (mk_FTs thePullTs);
2387 val pickFs = map5 mk_pickWP thePull_ins pfst_Fmaps psnd_Fmaps
2388 (map2 (curry op $) dtors Jzs) (map2 (curry op $) dtor's Jz's);
2389 val pickF_ss = map3 (fn pickF => fn z => fn z' =>
2390 HOLogic.mk_split (Term.absfree z (Term.absfree z' pickF))) pickFs Jzs' Jz's';
2391 val picks = map (mk_unfold XTs pickF_ss) ks;
2393 val wpull_prem = HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
2394 (map8 mk_wpull AXs B1s B2s f1s f2s (replicate m NONE) p1s p2s));
2396 val map_eq_thms = map2 (fn simp => fn diff => box_equals OF [diff RS iffD2, simp, simp])
2397 dtor_map_thms dtor_inject_thms;
2398 val map_wpull_thms = map (fn thm => thm OF
2399 (replicate m asm_rl @ replicate n @{thm wpull_thePull})) map_wpulls;
2400 val pickWP_assms_tacs =
2401 map3 mk_pickWP_assms_tac set_incl_hset_thmss set_incl_hin_thmss map_eq_thms;
2403 val coalg_thePull_thm =
2405 val coalg = HOLogic.mk_Trueprop
2406 (mk_coalg CUNIVs thePulls (map2 (curry HOLogic.mk_comp) pid_Fmaps pickF_ss));
2407 val goal = fold_rev Logic.all (AXs @ B1s @ B2s @ f1s @ f2s @ p1s @ p2s @ ps)
2408 (Logic.mk_implies (wpull_prem, coalg));
2410 Goal.prove_sorry lthy [] [] goal (mk_coalg_thePull_tac m coalg_def map_wpull_thms
2411 set_mapss pickWP_assms_tacs)
2412 |> Thm.close_derivation
2415 val (mor_thePull_fst_thm, mor_thePull_snd_thm, mor_thePull_pick_thm) =
2417 val mor_fst = HOLogic.mk_Trueprop
2418 (mk_mor thePulls (map2 (curry HOLogic.mk_comp) p1id_Fmaps pickF_ss)
2419 UNIVs dtors fstsTsTs');
2420 val mor_snd = HOLogic.mk_Trueprop
2421 (mk_mor thePulls (map2 (curry HOLogic.mk_comp) p2id_Fmaps pickF_ss)
2422 UNIV's dtor's sndsTsTs');
2423 val mor_pick = HOLogic.mk_Trueprop
2424 (mk_mor thePulls (map2 (curry HOLogic.mk_comp) pid_Fmaps pickF_ss)
2425 UNIV''s dtor''s (map2 (curry HOLogic.mk_comp) pid_maps picks));
2427 val fst_goal = fold_rev Logic.all (AXs @ B1s @ B2s @ f1s @ f2s @ p1s @ p2s)
2428 (Logic.mk_implies (wpull_prem, mor_fst));
2429 val snd_goal = fold_rev Logic.all (AXs @ B1s @ B2s @ f1s @ f2s @ p1s @ p2s)
2430 (Logic.mk_implies (wpull_prem, mor_snd));
2431 val pick_goal = fold_rev Logic.all (AXs @ B1s @ B2s @ f1s @ f2s @ p1s @ p2s @ ps)
2432 (Logic.mk_implies (wpull_prem, mor_pick));
2434 (Goal.prove_sorry lthy [] [] fst_goal (mk_mor_thePull_fst_tac m mor_def map_wpull_thms
2435 map_comps pickWP_assms_tacs) |> Thm.close_derivation,
2436 Goal.prove_sorry lthy [] [] snd_goal (mk_mor_thePull_snd_tac m mor_def map_wpull_thms
2437 map_comps pickWP_assms_tacs) |> Thm.close_derivation,
2438 Goal.prove_sorry lthy [] [] pick_goal (mk_mor_thePull_pick_tac mor_def dtor_unfold_thms
2439 map_comps) |> Thm.close_derivation)
2442 val pick_col_thmss =
2444 fun mk_conjunct AX Jpair pick thePull col =
2445 HOLogic.mk_imp (HOLogic.mk_mem (Jpair, thePull), mk_leq (col $ (pick $ Jpair)) AX);
2447 fun mk_concl AX cols =
2448 list_all_free Jpairs (Library.foldr1 HOLogic.mk_conj
2449 (map4 (mk_conjunct AX) Jpairs picks thePulls cols));
2451 val concls = map2 mk_concl AXs Xcolss;
2454 map (fn phi => map (SOME o certify lthy) [Term.absfree nat' phi, nat]) concls;
2457 map (fn concl => Logic.mk_implies (wpull_prem, HOLogic.mk_Trueprop concl)) concls;
2460 map5 (fn j => fn goal => fn cts => fn rec_0s => fn rec_Sucs =>
2461 singleton (Proof_Context.export names_lthy lthy) (Goal.prove_sorry lthy [] [] goal
2462 (mk_pick_col_tac m j cts rec_0s rec_Sucs dtor_unfold_thms set_mapss
2463 map_wpull_thms pickWP_assms_tacs))
2464 |> Thm.close_derivation)
2465 ls goals ctss hset_rec_0ss' hset_rec_Sucss';
2467 map (map (fn thm => thm RS mp) o split_conj_thm o mk_specN n) thms
2470 val timer = time (timer "helpers for BNF properties");
2473 map2 (K oo mk_map_id0_tac map_thms) dtor_unfold_unique_thms unfold_dtor_thms;
2474 val map_comp0_tacs = map (fn thm => K (rtac (thm RS sym) 1)) map_comp0_thms;
2475 val map_cong0_tacs = map (mk_map_cong0_tac m) map_cong0_thms;
2477 map2 (map2 (K oo mk_set_map0_tac)) hset_defss (transpose col_natural_thmss);
2479 val bd_co_tacs = replicate n (K (mk_bd_card_order_tac sbd_card_order));
2480 val bd_cinf_tacs = replicate n (K (mk_bd_cinfinite_tac sbd_Cinfinite));
2483 map2 (map2 (K oo mk_set_bd_tac sbd_Cinfinite)) hset_defss (transpose col_bd_thmss);
2485 val map_wpull_tacs =
2486 map3 (K ooo mk_wpull_tac m coalg_thePull_thm mor_thePull_fst_thm mor_thePull_snd_thm
2487 mor_thePull_pick_thm) unique_mor_thms (transpose pick_col_thmss) hset_defss;
2489 val rel_OO_Grp_tacs = replicate n (K (rtac refl 1));
2491 val tacss = map9 zip_axioms map_id0_tacs map_comp0_tacs map_cong0_tacs set_nat_tacss
2492 bd_co_tacs bd_cinf_tacs set_bd_tacss map_wpull_tacs rel_OO_Grp_tacs;
2494 val (hset_dtor_incl_thmss, hset_hset_dtor_incl_thmsss, dtor_hset_induct_thms) =
2497 map (SOME o certify lthy) (dtor :: remove (op =) dtor dtors);
2498 fun tinst_of' dtor = case tinst_of dtor of t :: ts => t :: NONE :: ts;
2499 val Tinst = map (pairself (certifyT lthy))
2500 (map Logic.varifyT_global (deads @ allAs) ~~ (deads @ passiveAs @ Ts));
2501 val set_incl_thmss =
2502 map2 (fn dtor => map (singleton (Proof_Context.export names_lthy lthy) o
2503 Drule.instantiate' [] (tinst_of' dtor) o
2504 Thm.instantiate (Tinst, []) o Drule.zero_var_indexes))
2505 dtors set_incl_hset_thmss;
2507 val tinst = splice (map (SOME o certify lthy) dtors) (replicate n NONE)
2508 val set_minimal_thms =
2509 map (Drule.instantiate' [] tinst o Thm.instantiate (Tinst, []) o
2510 Drule.zero_var_indexes)
2513 val set_set_incl_thmsss =
2514 map2 (fn dtor => map (map (singleton (Proof_Context.export names_lthy lthy) o
2515 Drule.instantiate' [] (NONE :: tinst_of' dtor) o
2516 Thm.instantiate (Tinst, []) o Drule.zero_var_indexes)))
2517 dtors set_hset_incl_hset_thmsss;
2519 val set_set_incl_thmsss' = transpose (map transpose set_set_incl_thmsss);
2522 maps (map (fn thm => thm RS @{thm subset_Collect_iff})) set_incl_thmss @
2523 @{thms subset_Collect_iff[OF subset_refl]};
2525 fun mk_induct_tinst phis jsets y y' =
2526 map4 (fn phi => fn jset => fn Jz => fn Jz' =>
2527 SOME (certify lthy (Term.absfree Jz' (HOLogic.mk_Collect (fst y', snd y',
2528 HOLogic.mk_conj (HOLogic.mk_mem (y, jset $ Jz), phi $ y $ Jz))))))
2529 phis jsets Jzs Jzs';
2530 val dtor_set_induct_thms =
2531 map6 (fn set_minimal => fn set_set_inclss => fn jsets => fn y => fn y' => fn phis =>
2533 |> Drule.instantiate' [] (mk_induct_tinst phis jsets y y')
2534 |> unfold_thms lthy incls) OF
2535 (replicate n ballI @
2536 maps (map (fn thm => thm RS @{thm subset_CollectI})) set_set_inclss))
2537 |> singleton (Proof_Context.export names_lthy lthy)
2538 |> rule_by_tactic lthy (ALLGOALS (TRY o etac asm_rl)))
2539 set_minimal_thms set_set_incl_thmsss' setss_by_range ys ys' dtor_set_induct_phiss
2541 (set_incl_thmss, set_set_incl_thmsss, dtor_set_induct_thms)
2544 fun close_wit I wit = (I, fold_rev Term.absfree (map (nth ys') I) wit);
2546 val all_unitTs = replicate live HOLogic.unitT;
2547 val unitTs = replicate n HOLogic.unitT;
2548 val unit_funs = replicate n (Term.absdummy HOLogic.unitT HOLogic.unit);
2551 if member (op =) I i then Term.absdummy HOLogic.unitT (nth ys i)
2552 else mk_undefined (HOLogic.unitT --> nth passiveAs i))
2555 fun mk_nat_wit Ds bnf (I, wit) () =
2557 val passiveI = filter (fn i => i < m) I;
2558 val map_args = mk_map_args passiveI;
2560 Term.absdummy HOLogic.unitT (Term.list_comb
2561 (mk_map_of_bnf Ds all_unitTs (passiveAs @ unitTs) bnf, map_args @ unit_funs) $ wit)
2564 fun mk_dummy_wit Ds bnf I =
2566 val map_args = mk_map_args I;
2568 Term.absdummy HOLogic.unitT (Term.list_comb
2569 (mk_map_of_bnf Ds all_unitTs (passiveAs @ unitTs) bnf, map_args @ unit_funs) $
2570 mk_undefined (mk_T_of_bnf Ds all_unitTs bnf))
2574 map2 (fn Ds => fn bnf => mk_wits_of_bnf (replicate (nwits_of_bnf bnf) Ds)
2575 (replicate (nwits_of_bnf bnf) (replicate live HOLogic.unitT)) bnf
2576 |> map (fn (I, wit) =>
2577 (I, Lazy.lazy (mk_nat_wit Ds bnf (I, Term.list_comb (wit, map (K HOLogic.unit) I))))))
2580 val nat_wit_thmss = map2 (curry op ~~) nat_witss (map wit_thmss_of_bnf bnfs)
2582 val Iss = map (map fst) nat_witss;
2584 fun filter_wits (I, wit) =
2585 let val J = filter (fn i => i < m) I;
2586 in (J, (length J < length I, wit)) end;
2588 val wit_treess = map_index (fn (i, Is) =>
2589 map_index (finish Iss m [i+m] (i+m)) Is) Iss
2590 |> map (minimize_wits o map filter_wits o minimize_wits o flat);
2592 val coind_wit_argsss =
2593 map (map (tree_to_coind_wits nat_wit_thmss o snd o snd) o filter (fst o snd)) wit_treess;
2595 val nonredundant_coind_wit_argsss =
2596 fold (fn i => fn argsss =>
2597 nth_map (i - 1) (filter_out (fn xs =>
2600 val xs' = (map (fst o fst) xs, snd (fst (hd xs)));
2601 val ys' = (map (fst o fst) ys, snd (fst (hd ys)));
2603 eq_pair (subset (op =)) (eq_set (op =)) (xs', ys') andalso not (fst xs' = fst ys')
2607 ks coind_wit_argsss;
2609 fun prepare_args args =
2611 val I = snd (fst (hd args));
2612 val (dummys, args') =
2614 (case find_first (fn arg => fst (fst arg) = i - 1) args of
2615 SOME (_, ((_, wit), thms)) => (NONE, (Lazy.force wit, thms))
2617 (SOME (i - 1), (mk_dummy_wit (nth Dss (i - 1)) (nth bnfs (i - 1)) I, []))))
2620 ((I, dummys), apsnd flat (split_list args'))
2623 fun mk_coind_wits ((I, dummys), (args, thms)) =
2624 ((I, dummys), (map (fn i => mk_unfold Ts args i $ HOLogic.unit) ks, thms));
2627 maps (map (mk_coind_wits o prepare_args)) nonredundant_coind_wit_argsss;
2629 fun mk_coind_wit_thms ((I, dummys), (wits, wit_thms)) =
2631 fun mk_goal sets y y_copy y'_copy j =
2633 fun mk_conjunct set z dummy wit =
2634 mk_Ball (set $ z) (Term.absfree y'_copy
2635 (if dummy = NONE orelse member (op =) I (j - 1) then
2636 HOLogic.mk_imp (HOLogic.mk_eq (z, wit),
2637 if member (op =) I (j - 1) then HOLogic.mk_eq (y_copy, y)
2639 else @{term True}));
2641 fold_rev Logic.all (map (nth ys) I @ Jzs) (HOLogic.mk_Trueprop
2642 (Library.foldr1 HOLogic.mk_conj (map4 mk_conjunct sets Jzs dummys wits)))
2644 val goals = map5 mk_goal setss_by_range ys ys_copy ys'_copy ls;
2646 map2 (fn goal => fn induct =>
2647 Goal.prove_sorry lthy [] [] goal
2648 (mk_coind_wit_tac induct dtor_unfold_thms (flat set_mapss) wit_thms)
2649 |> Thm.close_derivation)
2650 goals dtor_hset_induct_thms
2651 |> map split_conj_thm
2653 |> map (map_filter (try (fn thm => thm RS bspec RS mp)))
2654 |> curry op ~~ (map_index Library.I (map (close_wit I) wits))
2655 |> filter (fn (_, thms) => length thms = m)
2658 val coind_wit_thms = maps mk_coind_wit_thms coind_witss;
2660 val witss = map2 (fn Ds => fn bnf => mk_wits_of_bnf
2661 (replicate (nwits_of_bnf bnf) Ds)
2662 (replicate (nwits_of_bnf bnf) (passiveAs @ Ts)) bnf) Dss bnfs;
2665 map (map (uncurry close_wit o tree_to_ctor_wit ys ctors witss o snd o snd) o
2666 filter_out (fst o snd)) wit_treess;
2669 fold (fn ((i, wit), thms) => fn witss =>
2670 nth_map i (fn (thms', wits) => (thms @ thms', wit :: wits)) witss)
2671 coind_wit_thms (map (pair []) ctor_witss)
2672 |> map (apsnd (map snd o minimize_wits));
2674 val wit_tac = mk_wit_tac n dtor_ctor_thms (flat dtor_set_thmss) (maps wit_thms_of_bnf bnfs);
2677 map (flat o map2 (fn B => fn b =>
2678 if member (op =) resDs (TFree B) then [] else [b]) resBs) set_bss0;
2681 fold_map9 (fn tacs => fn b => fn map_b => fn rel_b => fn set_bs => fn mapx => fn sets =>
2682 fn T => fn (thms, wits) => fn lthy =>
2683 bnf_def Dont_Inline (user_policy Note_Some) I tacs (wit_tac thms) (SOME deads) map_b
2685 ((((((b, T), fold_rev Term.absfree fs' mapx), sets), bd), wits), NONE) lthy
2686 |> register_bnf (Local_Theory.full_name lthy b))
2687 tacss bs map_bs rel_bs set_bss fs_maps setss_by_bnf Ts all_witss lthy;
2689 val fold_maps = fold_thms lthy (map (fn bnf =>
2690 mk_unabs_def m (map_def_of_bnf bnf RS meta_eq_to_obj_eq)) Jbnfs);
2692 val fold_sets = fold_thms lthy (maps (fn bnf =>
2693 map (fn thm => thm RS meta_eq_to_obj_eq) (set_defs_of_bnf bnf)) Jbnfs);
2695 val timer = time (timer "registered new codatatypes as BNFs");
2697 val dtor_set_incl_thmss = map (map fold_sets) hset_dtor_incl_thmss;
2698 val dtor_set_set_incl_thmsss = map (map (map fold_sets)) hset_hset_dtor_incl_thmsss;
2699 val dtor_set_induct_thms = map fold_sets dtor_hset_induct_thms;
2701 val Jrels = map (mk_rel_of_bnf deads passiveAs passiveBs) Jbnfs;
2703 val Jrelphis = map (fn Jrel => Term.list_comb (Jrel, Jphis)) Jrels;
2704 val relphis = map (fn rel => Term.list_comb (rel, Jphis @ Jrelphis)) rels;
2705 val in_Jrels = map in_rel_of_bnf Jbnfs;
2707 val folded_dtor_map_thms = map fold_maps dtor_map_thms;
2708 val folded_dtor_map_o_thms = map fold_maps map_thms;
2709 val folded_dtor_set_thmss = map (map fold_sets) dtor_set_thmss;
2710 val folded_dtor_set_thmss' = transpose folded_dtor_set_thmss;
2712 val dtor_Jrel_thms =
2714 fun mk_goal Jz Jz' dtor dtor' Jrelphi relphi = fold_rev Logic.all (Jz :: Jz' :: Jphis)
2715 (mk_Trueprop_eq (Jrelphi $ Jz $ Jz', relphi $ (dtor $ Jz) $ (dtor' $ Jz')));
2716 val goals = map6 mk_goal Jzs Jz's dtors dtor's Jrelphis relphis;
2718 map12 (fn i => fn goal => fn in_rel => fn map_comp0 => fn map_cong0 =>
2719 fn dtor_map => fn dtor_sets => fn dtor_inject => fn dtor_ctor =>
2720 fn set_map0s => fn dtor_set_incls => fn dtor_set_set_inclss =>
2721 Goal.prove_sorry lthy [] [] goal
2722 (K (mk_dtor_rel_tac lthy in_Jrels i in_rel map_comp0 map_cong0 dtor_map dtor_sets
2723 dtor_inject dtor_ctor set_map0s dtor_set_incls dtor_set_set_inclss))
2724 |> Thm.close_derivation)
2725 ks goals in_rels map_comps map_cong0s folded_dtor_map_thms folded_dtor_set_thmss'
2726 dtor_inject_thms dtor_ctor_thms set_mapss dtor_set_incl_thmss
2727 dtor_set_set_incl_thmsss
2730 val timer = time (timer "additional properties");
2732 val ls' = if m = 1 then [0] else ls;
2734 val Jbnf_common_notes =
2735 [(dtor_map_uniqueN, [fold_maps dtor_map_unique_thm])] @
2736 map2 (fn i => fn thm => (mk_dtor_set_inductN i, [thm])) ls' dtor_set_induct_thms
2737 |> map (fn (thmN, thms) =>
2738 ((Binding.qualify true (Binding.name_of b) (Binding.name thmN), []), [(thms, [])]));
2741 [(dtor_mapN, map single folded_dtor_map_thms),
2742 (dtor_relN, map single dtor_Jrel_thms),
2743 (dtor_set_inclN, dtor_set_incl_thmss),
2744 (dtor_set_set_inclN, map flat dtor_set_set_incl_thmsss)] @
2745 map2 (fn i => fn thms => (mk_dtor_setN i, map single thms)) ls' folded_dtor_set_thmss
2746 |> maps (fn (thmN, thmss) =>
2747 map2 (fn b => fn thms =>
2748 ((Binding.qualify true (Binding.name_of b) (Binding.name thmN), []), [(thms, [])]))
2751 (timer, Jbnfs, (folded_dtor_map_o_thms, folded_dtor_map_thms), folded_dtor_set_thmss',
2752 dtor_set_induct_thms, dtor_Jrel_thms, Jbnf_common_notes @ Jbnf_notes, lthy)
2755 val dtor_unfold_o_map_thms = mk_xtor_un_fold_o_map_thms Greatest_FP false m
2756 dtor_unfold_unique_thm folded_dtor_map_o_thms (map (mk_pointfree lthy) dtor_unfold_thms)
2757 sym_map_comps map_cong0s;
2758 val dtor_corec_o_map_thms = mk_xtor_un_fold_o_map_thms Greatest_FP true m
2759 dtor_corec_unique_thm folded_dtor_map_o_thms (map (mk_pointfree lthy) dtor_corec_thms)
2760 sym_map_comps map_cong0s;
2762 val passiveABs = map2 (curry HOLogic.mk_prodT) passiveAs passiveBs;
2763 val zip_ranTs = passiveABs @ prodTsTs';
2764 val allJphis = Jphis @ activeJphis;
2765 val zipFTs = mk_FTs zip_ranTs;
2766 val zipTs = map3 (fn T => fn T' => fn FT => T --> T' --> FT) Ts Ts' zipFTs;
2767 val zip_zTs = mk_Ts passiveABs;
2768 val (((zips, (abs, abs')), zip_zs), names_lthy) = names_lthy
2769 |> mk_Frees "zip" zipTs
2770 ||>> mk_Frees' "ab" passiveABs
2771 ||>> mk_Frees "z" zip_zTs;
2774 map2 (fn phi => fn T => HOLogic.Collect_const T $ HOLogic.mk_split phi) allJphis zip_ranTs;
2775 val in_phis = map2 (mk_in Iphi_sets) (mk_setss zip_ranTs) zipFTs;
2776 val fstABs = map fst_const passiveABs;
2777 val all_fsts = fstABs @ fstsTsTs';
2778 val map_all_fsts = map2 (fn Ds => fn bnf =>
2779 Term.list_comb (mk_map_of_bnf Ds zip_ranTs (passiveAs @ Ts) bnf, all_fsts)) Dss bnfs;
2780 val Jmap_fsts = map2 (fn bnf => fn T => if m = 0 then HOLogic.id_const T
2781 else Term.list_comb (mk_map_of_bnf deads passiveABs passiveAs bnf, fstABs)) Jbnfs Ts;
2783 val sndABs = map snd_const passiveABs;
2784 val all_snds = sndABs @ sndsTsTs';
2785 val map_all_snds = map2 (fn Ds => fn bnf =>
2786 Term.list_comb (mk_map_of_bnf Ds zip_ranTs (passiveBs @ Ts') bnf, all_snds)) Dss bnfs;
2787 val Jmap_snds = map2 (fn bnf => fn T => if m = 0 then HOLogic.id_const T
2788 else Term.list_comb (mk_map_of_bnf deads passiveABs passiveBs bnf, sndABs)) Jbnfs Ts;
2789 val zip_unfolds = map (mk_unfold zip_zTs (map HOLogic.mk_split zips)) ks;
2790 val zip_setss = map (mk_sets_of_bnf (replicate m deads) (replicate m passiveABs)) Jbnfs
2792 val in_Jrels = map in_rel_of_bnf Jbnfs;
2794 val Jrel_coinduct_tac =
2796 fun mk_helper_prem phi in_phi zip x y map map' dtor dtor' =
2798 val zipxy = zip $ x $ y;
2800 HOLogic.mk_Trueprop (list_all_free [x, y]
2801 (HOLogic.mk_imp (phi $ x $ y, HOLogic.mk_conj (HOLogic.mk_mem (zipxy, in_phi),
2802 HOLogic.mk_conj (HOLogic.mk_eq (map $ zipxy, dtor $ x),
2803 HOLogic.mk_eq (map' $ zipxy, dtor' $ y))))))
2805 val helper_prems = map9 mk_helper_prem
2806 activeJphis in_phis zips Jzs Jz's map_all_fsts map_all_snds dtors dtor's;
2807 fun mk_helper_coind_concl fst phi x alt y map zip_unfold =
2808 HOLogic.mk_imp (list_exists_free [if fst then y else x] (HOLogic.mk_conj (phi $ x $ y,
2809 HOLogic.mk_eq (alt, map $ (zip_unfold $ HOLogic.mk_prod (x, y))))),
2810 HOLogic.mk_eq (alt, if fst then x else y));
2811 val helper_coind1_concl =
2812 HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
2813 (map6 (mk_helper_coind_concl true)
2814 activeJphis Jzs Jzs_copy Jz's Jmap_fsts zip_unfolds));
2815 val helper_coind2_concl =
2816 HOLogic.mk_Trueprop (Library.foldr1 HOLogic.mk_conj
2817 (map6 (mk_helper_coind_concl false)
2818 activeJphis Jzs Jz's_copy Jz's Jmap_snds zip_unfolds));
2819 val helper_coind_tac = mk_rel_coinduct_coind_tac m dtor_map_coinduct_thm ks map_comps
2820 map_cong0s map_arg_cong_thms set_mapss dtor_unfold_thms folded_dtor_map_thms;
2821 fun mk_helper_coind_thms vars concl =
2822 Goal.prove_sorry lthy [] []
2823 (fold_rev Logic.all (Jphis @ activeJphis @ vars @ zips)
2824 (Logic.list_implies (helper_prems, concl)))
2826 |> Thm.close_derivation
2828 val helper_coind1_thms = mk_helper_coind_thms (Jzs @ Jzs_copy) helper_coind1_concl;
2829 val helper_coind2_thms = mk_helper_coind_thms (Jz's @ Jz's_copy) helper_coind2_concl;
2831 fun mk_helper_ind_concl phi ab' ab fst snd z active_phi x y zip_unfold set =
2832 mk_Ball (set $ z) (Term.absfree ab' (list_all_free [x, y] (HOLogic.mk_imp
2833 (HOLogic.mk_conj (active_phi $ x $ y,
2834 HOLogic.mk_eq (z, zip_unfold $ HOLogic.mk_prod (x, y))),
2835 phi $ (fst $ ab) $ (snd $ ab)))));
2837 val mk_helper_ind_concls =
2838 map6 (fn Jphi => fn ab' => fn ab => fn fst => fn snd => fn zip_sets =>
2839 map6 (mk_helper_ind_concl Jphi ab' ab fst snd)
2840 zip_zs activeJphis Jzs Jz's zip_unfolds zip_sets)
2841 Jphis abs' abs fstABs sndABs zip_setss
2842 |> map (HOLogic.mk_Trueprop o Library.foldr1 HOLogic.mk_conj);
2844 val helper_ind_thmss = if m = 0 then replicate n [] else
2845 map3 (fn concl => fn j => fn set_induct =>
2846 Goal.prove_sorry lthy [] []
2847 (fold_rev Logic.all (Jphis @ activeJphis @ zip_zs @ zips)
2848 (Logic.list_implies (helper_prems, concl)))
2849 (mk_rel_coinduct_ind_tac m ks dtor_unfold_thms set_mapss j set_induct)
2850 |> Thm.close_derivation
2852 mk_helper_ind_concls ls dtor_set_induct_thms
2855 mk_rel_coinduct_tac in_rels in_Jrels
2856 helper_ind_thmss helper_coind1_thms helper_coind2_thms
2859 val Jrels = if m = 0 then map HOLogic.eq_const Ts
2860 else map (mk_rel_of_bnf deads passiveAs passiveBs) Jbnfs;
2861 val Jrel_coinduct_thm =
2862 mk_rel_xtor_co_induct_thm Greatest_FP rels activeJphis Jrels Jphis Jzs Jz's dtors dtor's
2863 Jrel_coinduct_tac lthy;
2865 val rels = map2 (fn Ds => mk_rel_of_bnf Ds allAs allBs') Dss bnfs;
2866 val dtor_unfold_transfer_thms =
2867 mk_un_fold_transfer_thms Greatest_FP rels activephis Jrels Jphis
2868 (mk_unfolds passiveAs activeAs) (mk_unfolds passiveBs activeBs)
2869 (mk_unfold_transfer_tac m Jrel_coinduct_thm (map map_transfer_of_bnf bnfs)
2873 val timer = time (timer "relator coinduction");
2876 [(dtor_coinductN, [dtor_coinduct_thm]),
2877 (dtor_map_coinductN, [dtor_map_coinduct_thm]),
2878 (rel_coinductN, [Jrel_coinduct_thm]),
2879 (dtor_unfold_transferN, dtor_unfold_transfer_thms)]
2880 |> map (fn (thmN, thms) =>
2881 ((Binding.qualify true (Binding.name_of b) (Binding.name thmN), []), [(thms, [])]));
2884 [(ctor_dtorN, ctor_dtor_thms),
2885 (ctor_exhaustN, ctor_exhaust_thms),
2886 (ctor_injectN, ctor_inject_thms),
2887 (dtor_corecN, dtor_corec_thms),
2888 (dtor_ctorN, dtor_ctor_thms),
2889 (dtor_exhaustN, dtor_exhaust_thms),
2890 (dtor_injectN, dtor_inject_thms),
2891 (dtor_unfoldN, dtor_unfold_thms),
2892 (dtor_unfold_uniqueN, dtor_unfold_unique_thms),
2893 (dtor_corec_uniqueN, dtor_corec_unique_thms),
2894 (dtor_unfold_o_mapN, dtor_unfold_o_map_thms),
2895 (dtor_corec_o_mapN, dtor_corec_o_map_thms)]
2896 |> map (apsnd (map single))
2897 |> maps (fn (thmN, thmss) =>
2898 map2 (fn b => fn thms =>
2899 ((Binding.qualify true (Binding.name_of b) (Binding.name thmN), []), [(thms, [])]))
2902 (*FIXME: once the package exports all the necessary high-level characteristic theorems,
2903 those should not only be concealed but rather not noted at all*)
2904 val maybe_conceal_notes = note_all = false ? map (apfst (apfst Binding.conceal));
2907 ({Ts = Ts, bnfs = Jbnfs, ctors = ctors, dtors = dtors,
2908 xtor_co_iterss = transpose [unfolds, corecs],
2909 xtor_co_induct = dtor_coinduct_thm, dtor_ctors = dtor_ctor_thms,
2910 ctor_dtors = ctor_dtor_thms,
2911 ctor_injects = ctor_inject_thms, dtor_injects = dtor_inject_thms,
2912 xtor_map_thms = folded_dtor_map_thms, xtor_set_thmss = folded_dtor_set_thmss',
2913 xtor_rel_thms = dtor_Jrel_thms,
2914 xtor_co_iter_thmss = transpose [dtor_unfold_thms, dtor_corec_thms],
2915 xtor_co_iter_o_map_thmss = transpose [dtor_unfold_o_map_thms, dtor_corec_o_map_thms],
2916 rel_xtor_co_induct_thm = Jrel_coinduct_thm},
2917 lthy |> Local_Theory.notes (maybe_conceal_notes (common_notes @ notes @ Jbnf_notes)) |> snd)
2921 Outer_Syntax.local_theory @{command_spec "codatatype"} "define coinductive datatypes"
2922 (parse_co_datatype_cmd Greatest_FP construct_gfp);
2924 val option_parser = Parse.group (fn () => "option")
2925 ((Parse.reserved "sequential" >> K Option_Sequential)
2926 || (Parse.reserved "exhaustive" >> K Option_Exhaustive))
2928 val where_alt_specs_of_parser = Parse.where_ |-- Parse.!!! (Parse.enum1 "|"
2929 (Parse_Spec.spec -- Scan.option (Parse.reserved "of" |-- Parse.const)));
2931 val _ = Outer_Syntax.local_theory_to_proof @{command_spec "primcorecursive"}
2932 "define primitive corecursive functions"
2933 ((Scan.optional (@{keyword "("} |--
2934 Parse.!!! (Parse.list1 option_parser) --| @{keyword ")"}) []) --
2935 (Parse.fixes -- where_alt_specs_of_parser) >> uncurry add_primcorecursive_cmd);
2937 val _ = Outer_Syntax.local_theory @{command_spec "primcorec"}
2938 "define primitive corecursive functions"
2939 ((Scan.optional (@{keyword "("} |--
2940 Parse.!!! (Parse.list1 option_parser) --| @{keyword ")"}) []) --
2941 (Parse.fixes -- where_alt_specs_of_parser) >> uncurry add_primcorec_cmd);