author | blanchet |
Sun, 11 Sep 2016 15:37:09 +0200 | |
changeset 63842 | f738df816abf |
parent 63841 | 813a574da746 |
child 63845 | 61a03e429cbd |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/BNF/bnf_fp_def_sugar_tactics.ML |
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Author: Jasmin Blanchette, TU Muenchen |
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Author: Martin Desharnais, TU Muenchen |
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Copyright 2012, 2013, 2014 |
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Tactics for datatype and codatatype sugar. |
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*) |
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signature BNF_FP_DEF_SUGAR_TACTICS = |
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sig |
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val sumprod_thms_rel: thm list |
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val sumprod_thms_set: thm list |
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val basic_sumprod_thms_set: thm list |
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val mk_case_transfer_tac: Proof.context -> thm -> thm list -> tactic |
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val mk_coinduct_tac: Proof.context -> thm list -> int -> int list -> thm -> thm list -> |
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thm list -> thm list -> thm list -> thm list -> thm list list -> thm list list list -> |
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thm list list list -> tactic |
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val mk_corec_tac: thm list -> thm list -> thm -> thm -> thm -> thm -> Proof.context -> tactic |
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val mk_corec_disc_iff_tac: thm list -> thm list -> thm list -> Proof.context -> tactic |
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val mk_co_rec_o_map_tac: Proof.context -> thm -> thm list -> thm list -> thm list -> thm -> thm -> |
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thm Seq.seq |
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val mk_corec_transfer_tac: Proof.context -> cterm list -> cterm list -> thm list -> thm list -> |
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thm list -> thm list -> thm list -> ''a list -> ''a list list -> ''a list list list list -> |
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''a list list list list -> tactic |
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val mk_ctor_iff_dtor_tac: Proof.context -> ctyp option list -> cterm -> cterm -> thm -> thm -> |
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tactic |
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val mk_ctr_transfer_tac: Proof.context -> thm list -> thm list -> tactic |
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val mk_disc_transfer_tac: Proof.context -> thm -> thm -> thm list -> tactic |
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val mk_exhaust_tac: Proof.context -> int -> thm list -> thm -> thm -> tactic |
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val mk_half_distinct_tac: Proof.context -> thm -> thm -> thm list -> tactic |
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val mk_induct_tac: Proof.context -> int -> int list -> int list list -> int list list list -> |
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thm list -> thm -> thm list -> thm list -> thm list -> thm list list -> tactic |
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val mk_inject_tac: Proof.context -> thm -> thm -> thm -> tactic |
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val mk_map_tac: Proof.context -> thm list -> thm -> thm -> thm -> thm list -> thm list -> tactic |
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val mk_map_disc_iff_tac: Proof.context -> cterm -> thm -> thm list -> thm list -> tactic |
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val mk_map_sel_tac: Proof.context -> cterm -> thm -> thm list -> thm list -> thm list -> |
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thm list -> tactic |
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val mk_rec_tac: thm list -> thm list -> thm list -> thm -> thm -> thm -> thm -> Proof.context -> |
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tactic |
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val mk_rec_transfer_tac: Proof.context -> int -> int list -> cterm list -> cterm list -> |
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term list list list list -> thm list -> thm list -> thm list -> thm list -> tactic |
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val mk_rel_tac: Proof.context -> thm list -> thm -> thm -> thm -> thm list -> thm list -> tactic |
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val mk_rel_case_tac: Proof.context -> cterm -> cterm -> thm -> thm list -> thm list -> thm list -> |
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thm list -> thm list -> tactic |
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val mk_rel_coinduct0_tac: Proof.context -> thm -> cterm list -> thm list -> thm list -> |
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thm list list -> thm list list -> thm list list -> thm list -> thm list -> thm list -> |
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thm list -> thm list -> thm list -> tactic |
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val mk_rel_induct0_tac: Proof.context -> thm -> thm list -> cterm list -> thm list -> |
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thm list list -> thm list -> thm list -> thm list -> thm list -> tactic |
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val mk_rel_sel_tac: Proof.context -> cterm -> cterm -> thm -> thm list -> thm list -> thm list -> |
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thm list -> thm list -> thm list -> tactic |
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val mk_sel_transfer_tac: Proof.context -> int -> thm list -> thm -> tactic |
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val mk_set_cases_tac: Proof.context -> cterm -> thm list -> thm -> thm list -> tactic |
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val mk_set_induct0_tac: Proof.context -> cterm list -> thm list -> thm list -> thm list -> |
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thm list -> thm list -> thm list -> thm list -> tactic |
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val mk_set_intros_tac: Proof.context -> thm list -> tactic |
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val mk_set_sel_tac: Proof.context -> cterm -> thm -> thm list -> thm list -> thm list -> tactic |
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end; |
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structure BNF_FP_Def_Sugar_Tactics : BNF_FP_DEF_SUGAR_TACTICS = |
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struct |
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open Ctr_Sugar_Util |
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open BNF_Tactics |
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open BNF_Util |
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open BNF_FP_Util |
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val case_sum_transfer = @{thm case_sum_transfer}; |
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val case_sum_transfer_eq = @{thm case_sum_transfer[of "op =" _ "op =", simplified sum.rel_eq]}; |
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val case_prod_transfer = @{thm case_prod_transfer}; |
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val case_prod_transfer_eq = @{thm case_prod_transfer[of "op =" "op =", simplified prod.rel_eq]}; |
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val basic_simp_thms = @{thms simp_thms(7,8,12,14,22,24)}; |
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val more_simp_thms = basic_simp_thms @ @{thms simp_thms(11,15,16,21)}; |
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val simp_thms' = @{thms simp_thms(6,7,8,11,12,15,16,22,24)}; |
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val sumprod_thms_map = @{thms id_apply map_prod_simp prod.case sum.case map_sum.simps}; |
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val sumprod_thms_rel = @{thms rel_sum_simps rel_prod_inject prod.inject id_apply conj_assoc}; |
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val basic_sumprod_thms_set = |
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@{thms UN_empty UN_insert UN_iff Un_empty_left Un_empty_right Un_iff Union_Un_distrib |
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o_apply map_prod_simp mem_Collect_eq prod_set_simps map_sum.simps sum_set_simps}; |
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val sumprod_thms_set = @{thms UN_simps(10) image_iff} @ basic_sumprod_thms_set; |
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fun is_def_looping def = |
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(case Thm.prop_of def of |
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Const (@{const_name Pure.eq}, _) $ lhs $ rhs => Term.exists_subterm (curry (op aconv) lhs) rhs |
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| _ => false); |
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fun hhf_concl_conv cv ctxt ct = |
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(case Thm.term_of ct of |
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Const (@{const_name Pure.all}, _) $ Abs _ => |
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Conv.arg_conv (Conv.abs_conv (hhf_concl_conv cv o snd) ctxt) ct |
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| _ => Conv.concl_conv ~1 cv ct); |
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fun co_induct_inst_as_projs ctxt k thm = |
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let |
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val fs = Term.add_vars (Thm.prop_of thm) [] |
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|> filter (fn (_, Type (@{type_name fun}, [_, T'])) => T' <> HOLogic.boolT | _ => false); |
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fun mk_inst (xi, T) = (xi, Thm.cterm_of ctxt (mk_proj T (num_binder_types T) k)); |
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in |
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infer_instantiate ctxt (map mk_inst fs) thm |
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end; |
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val co_induct_inst_as_projs_tac = PRIMITIVE oo co_induct_inst_as_projs; |
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fun mk_case_transfer_tac ctxt rel_case cases = |
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let val n = length (tl (Thm.prems_of rel_case)) in |
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REPEAT_DETERM (HEADGOAL (rtac ctxt rel_funI)) THEN |
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HEADGOAL (etac ctxt rel_case) THEN |
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ALLGOALS (hyp_subst_tac ctxt) THEN |
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unfold_thms_tac ctxt cases THEN |
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ALLGOALS (fn k => (select_prem_tac ctxt n (dtac ctxt asm_rl) k) k) THEN |
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ALLGOALS (REPEAT_DETERM o (rotate_tac ~1 THEN' dtac ctxt rel_funD THEN' |
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(assume_tac ctxt THEN' etac ctxt thin_rl ORELSE' rtac ctxt refl)) THEN' assume_tac ctxt) |
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end; |
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fun mk_ctr_transfer_tac ctxt rel_intros rel_eqs = |
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HEADGOAL Goal.conjunction_tac THEN |
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ALLGOALS (REPEAT o (resolve_tac ctxt (rel_funI :: rel_intros) THEN' |
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TRY o (REPEAT_DETERM1 o (SELECT_GOAL (unfold_thms_tac ctxt rel_eqs) THEN' |
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(assume_tac ctxt ORELSE' hyp_subst_tac ctxt THEN' rtac ctxt refl))))); |
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fun mk_disc_transfer_tac ctxt rel_sel exhaust_disc distinct_disc = |
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let |
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fun last_disc_tac iffD = |
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HEADGOAL (rtac ctxt (rotate_prems ~1 exhaust_disc) THEN' assume_tac ctxt THEN' |
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REPEAT_DETERM o (rotate_tac ~1 THEN' dtac ctxt (rotate_prems 1 iffD) THEN' |
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assume_tac ctxt THEN' rotate_tac ~1 THEN' |
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etac ctxt (rotate_prems 1 notE) THEN' eresolve_tac ctxt distinct_disc)); |
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in |
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HEADGOAL Goal.conjunction_tac THEN |
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REPEAT_DETERM (HEADGOAL (rtac ctxt rel_funI THEN' dtac ctxt (rel_sel RS iffD1) THEN' |
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REPEAT_DETERM o (etac ctxt conjE) THEN' (assume_tac ctxt ORELSE' rtac ctxt iffI))) THEN |
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TRY (last_disc_tac iffD2) THEN TRY (last_disc_tac iffD1) |
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end; |
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fun mk_exhaust_tac ctxt n ctr_defs ctor_iff_dtor sumEN' = |
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unfold_thms_tac ctxt (ctor_iff_dtor :: ctr_defs) THEN HEADGOAL (rtac ctxt sumEN') THEN |
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HEADGOAL (EVERY' (maps (fn k => [select_prem_tac ctxt n (rotate_tac 1) k, |
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REPEAT_DETERM o dtac ctxt meta_spec, etac ctxt meta_mp, assume_tac ctxt]) (1 upto n))); |
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fun mk_ctor_iff_dtor_tac ctxt cTs cctor cdtor ctor_dtor dtor_ctor = |
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HEADGOAL (rtac ctxt iffI THEN' |
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EVERY' (@{map 3} (fn cTs => fn cx => fn th => |
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dtac ctxt (Thm.instantiate' cTs [NONE, NONE, SOME cx] arg_cong) THEN' |
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SELECT_GOAL (unfold_thms_tac ctxt [th]) THEN' |
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assume_tac ctxt) [rev cTs, cTs] [cdtor, cctor] [dtor_ctor, ctor_dtor])); |
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fun mk_half_distinct_tac ctxt ctor_inject abs_inject ctr_defs = |
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unfold_thms_tac ctxt (ctor_inject :: abs_inject :: @{thms sum.inject} @ ctr_defs) THEN |
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HEADGOAL (rtac ctxt @{thm sum.distinct(1)}); |
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fun mk_inject_tac ctxt ctr_def ctor_inject abs_inject = |
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unfold_thms_tac ctxt [ctr_def] THEN |
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HEADGOAL (rtac ctxt (ctor_inject RS ssubst)) THEN |
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unfold_thms_tac ctxt (abs_inject :: @{thms sum.inject prod.inject conj_assoc}) THEN |
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HEADGOAL (rtac ctxt refl); |
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val rec_unfold_thms = |
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@{thms comp_def convol_def fst_conv id_def case_prod_Pair_iden snd_conv split_conv |
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case_unit_Unity} @ sumprod_thms_map; |
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fun mk_co_rec_o_map_tac ctxt co_rec_def pre_map_defs map_ident0s abs_inverses xtor_co_rec_o_map = |
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let |
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val rec_o_map_simps = @{thms o_def[abs_def] id_def case_prod_app case_sum_map_sum map_sum.simps |
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case_prod_map_prod id_bnf_def map_prod_simp map_sum_if_distrib_then map_sum_if_distrib_else |
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if_distrib[THEN sym]}; |
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in |
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HEADGOAL (subst_tac ctxt (SOME [1, 2]) [co_rec_def] THEN' |
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rtac ctxt (xtor_co_rec_o_map RS trans) THEN' |
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CONVERSION Thm.eta_long_conversion THEN' |
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asm_simp_tac (ss_only (pre_map_defs @ distinct Thm.eq_thm_prop (map_ident0s @ abs_inverses) @ |
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rec_o_map_simps) ctxt)) |
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end; |
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fun mk_rec_tac pre_map_defs map_ident0s rec_defs ctor_rec fp_abs_inverse abs_inverse ctr_def ctxt = |
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HEADGOAL ((if is_def_looping ctr_def then subst_tac ctxt NONE |
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else SELECT_GOAL o unfold_thms_tac ctxt) [ctr_def]) THEN |
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unfold_thms_tac ctxt (ctor_rec :: fp_abs_inverse :: abs_inverse :: rec_defs @ |
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pre_map_defs @ map_ident0s @ rec_unfold_thms) THEN HEADGOAL (rtac ctxt refl); |
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fun mk_rec_transfer_tac ctxt nn ns actives passives xssss rec_defs ctor_rec_transfers rel_pre_T_defs |
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rel_eqs = |
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let |
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val ctor_rec_transfers' = |
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map (infer_instantiate' ctxt (map SOME (passives @ actives))) ctor_rec_transfers; |
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val total_n = Integer.sum ns; |
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val True = @{term True}; |
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in |
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HEADGOAL Goal.conjunction_tac THEN |
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EVERY (map (fn ctor_rec_transfer => |
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REPEAT_DETERM (HEADGOAL (rtac ctxt rel_funI)) THEN |
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unfold_thms_tac ctxt rec_defs THEN |
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HEADGOAL (etac ctxt (mk_rel_funDN_rotated (nn + 1) ctor_rec_transfer)) THEN |
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unfold_thms_tac ctxt rel_pre_T_defs THEN |
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EVERY (fst (@{fold_map 2} (fn k => fn xsss => fn acc => |
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rpair (k + acc) |
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(HEADGOAL (rtac ctxt (mk_rel_funDN_rotated 2 @{thm comp_transfer})) THEN |
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HEADGOAL (rtac ctxt @{thm vimage2p_rel_fun}) THEN |
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58446 | 201 |
unfold_thms_tac ctxt rel_eqs THEN |
58966 | 202 |
EVERY (@{map 2} (fn n => fn xss => |
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|
203 |
REPEAT_DETERM (HEADGOAL (resolve_tac ctxt |
58966 | 204 |
[mk_rel_funDN 2 case_sum_transfer_eq, mk_rel_funDN 2 case_sum_transfer])) THEN |
60728 | 205 |
HEADGOAL (select_prem_tac ctxt total_n (dtac ctxt asm_rl) (acc + n)) THEN |
58446 | 206 |
HEADGOAL (SELECT_GOAL (HEADGOAL |
60752 | 207 |
(REPEAT_DETERM o (assume_tac ctxt ORELSE' resolve_tac ctxt |
58966 | 208 |
[mk_rel_funDN 1 case_prod_transfer_eq, |
209 |
mk_rel_funDN 1 case_prod_transfer, |
|
210 |
rel_funI]) THEN_ALL_NEW |
|
211 |
(Subgoal.FOCUS (fn {prems, ...} => |
|
212 |
let val thm = prems |
|
213 |
|> permute_like (op =) (True :: flat xss) (True :: flat_rec_arg_args xss) |
|
214 |
|> Library.foldl1 (fn (acc, elem) => elem RS (acc RS rel_funD)) |
|
60728 | 215 |
in HEADGOAL (rtac ctxt thm) end) ctxt))))) |
58966 | 216 |
(1 upto k) xsss))) |
217 |
ns xssss 0))) |
|
58446 | 218 |
ctor_rec_transfers') |
219 |
end; |
|
220 |
||
55966 | 221 |
val corec_unfold_thms = @{thms id_def} @ sumprod_thms_map; |
49683 | 222 |
|
57399 | 223 |
fun mk_corec_tac corec_defs map_ident0s ctor_dtor_corec pre_map_def abs_inverse ctr_def ctxt = |
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|
224 |
let |
57399 | 225 |
val ss = ss_only (pre_map_def :: abs_inverse :: map_ident0s @ corec_unfold_thms @ |
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changeset
|
226 |
@{thms o_apply vimage2p_def if_True if_False}) ctxt; |
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changeset
|
227 |
in |
55867 | 228 |
unfold_thms_tac ctxt (ctr_def :: corec_defs) THEN |
60728 | 229 |
HEADGOAL (rtac ctxt (ctor_dtor_corec RS trans) THEN' asm_simp_tac ss) THEN_MAYBE |
230 |
HEADGOAL (rtac ctxt refl ORELSE' rtac ctxt (@{thm unit_eq} RS arg_cong)) |
|
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|
231 |
end; |
49213 | 232 |
|
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changeset
|
233 |
fun mk_corec_disc_iff_tac case_splits' corecs discs ctxt = |
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changeset
|
234 |
EVERY (@{map 3} (fn case_split_tac => fn corec_thm => fn disc => |
55867 | 235 |
HEADGOAL case_split_tac THEN unfold_thms_tac ctxt [corec_thm] THEN |
52324 | 236 |
HEADGOAL (asm_simp_tac (ss_only basic_simp_thms ctxt)) THEN |
60728 | 237 |
(if is_refl disc then all_tac else HEADGOAL (rtac ctxt disc))) |
238 |
(map (rtac ctxt) case_splits' @ [K all_tac]) corecs discs); |
|
49482 | 239 |
|
58448 | 240 |
fun mk_corec_transfer_tac ctxt actives passives type_definitions corec_defs dtor_corec_transfers |
241 |
rel_pre_T_defs rel_eqs pgs pss qssss gssss = |
|
242 |
let |
|
243 |
val num_pgs = length pgs; |
|
244 |
fun prem_no_of x = 1 + find_index (curry (op =) x) pgs; |
|
245 |
||
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changeset
|
246 |
val Inl_Inr_Pair_tac = REPEAT_DETERM o (resolve_tac ctxt |
58968 | 247 |
[mk_rel_funDN 1 @{thm Inl_transfer}, |
63170 | 248 |
mk_rel_funDN 1 @{thm Inl_transfer[of "op =" "op =", simplified sum.rel_eq]}, |
58968 | 249 |
mk_rel_funDN 1 @{thm Inr_transfer}, |
63170 | 250 |
mk_rel_funDN 1 @{thm Inr_transfer[of "op =" "op =", simplified sum.rel_eq]}, |
58968 | 251 |
mk_rel_funDN 2 @{thm Pair_transfer}, |
63170 | 252 |
mk_rel_funDN 2 @{thm Pair_transfer[of "op =" "op =", simplified prod.rel_eq]}]); |
58448 | 253 |
|
254 |
fun mk_unfold_If_tac total pos = |
|
255 |
HEADGOAL (Inl_Inr_Pair_tac THEN' |
|
60728 | 256 |
rtac ctxt (mk_rel_funDN 3 @{thm If_transfer}) THEN' |
257 |
select_prem_tac ctxt total (dtac ctxt asm_rl) pos THEN' |
|
60752 | 258 |
dtac ctxt rel_funD THEN' assume_tac ctxt THEN' assume_tac ctxt); |
58448 | 259 |
|
260 |
fun mk_unfold_Inl_Inr_Pair_tac total pos = |
|
261 |
HEADGOAL (Inl_Inr_Pair_tac THEN' |
|
60728 | 262 |
select_prem_tac ctxt total (dtac ctxt asm_rl) pos THEN' |
60752 | 263 |
dtac ctxt rel_funD THEN' assume_tac ctxt THEN' assume_tac ctxt); |
58448 | 264 |
|
265 |
fun mk_unfold_arg_tac qs gs = |
|
266 |
EVERY (map (mk_unfold_If_tac num_pgs o prem_no_of) qs) THEN |
|
267 |
EVERY (map (mk_unfold_Inl_Inr_Pair_tac num_pgs o prem_no_of) gs); |
|
268 |
||
269 |
fun mk_unfold_ctr_tac type_definition qss gss = |
|
60728 | 270 |
HEADGOAL (rtac ctxt (mk_rel_funDN 1 (@{thm Abs_transfer} OF |
58448 | 271 |
[type_definition, type_definition])) THEN' Inl_Inr_Pair_tac) THEN |
272 |
(case (qss, gss) of |
|
60728 | 273 |
([], []) => HEADGOAL (rtac ctxt refl) |
58448 | 274 |
| _ => EVERY (map2 mk_unfold_arg_tac qss gss)); |
275 |
||
276 |
fun mk_unfold_type_tac type_definition ps qsss gsss = |
|
277 |
let |
|
278 |
val p_tacs = map (mk_unfold_If_tac num_pgs o prem_no_of) ps; |
|
279 |
val qg_tacs = map2 (mk_unfold_ctr_tac type_definition) qsss gsss; |
|
280 |
fun mk_unfold_ty [] [qg_tac] = qg_tac |
|
281 |
| mk_unfold_ty (p_tac :: p_tacs) (qg_tac :: qg_tacs) = |
|
282 |
p_tac THEN qg_tac THEN mk_unfold_ty p_tacs qg_tacs |
|
283 |
in |
|
60728 | 284 |
HEADGOAL (rtac ctxt rel_funI) THEN mk_unfold_ty p_tacs qg_tacs |
58448 | 285 |
end; |
286 |
||
287 |
fun mk_unfold_corec_type_tac dtor_corec_transfer corec_def = |
|
288 |
let |
|
289 |
val active :: actives' = actives; |
|
60784 | 290 |
val dtor_corec_transfer' = |
291 |
infer_instantiate' ctxt |
|
292 |
(SOME active :: map SOME passives @ map SOME actives') dtor_corec_transfer; |
|
58448 | 293 |
in |
60728 | 294 |
HEADGOAL Goal.conjunction_tac THEN REPEAT_DETERM (HEADGOAL (rtac ctxt rel_funI)) THEN |
58448 | 295 |
unfold_thms_tac ctxt [corec_def] THEN |
60728 | 296 |
HEADGOAL (etac ctxt (mk_rel_funDN_rotated (1 + length actives) dtor_corec_transfer')) THEN |
58448 | 297 |
unfold_thms_tac ctxt (rel_pre_T_defs @ rel_eqs) |
298 |
end; |
|
299 |
||
300 |
fun mk_unfold_prop_tac dtor_corec_transfer corec_def = |
|
301 |
mk_unfold_corec_type_tac dtor_corec_transfer corec_def THEN |
|
58634
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58507
diff
changeset
|
302 |
EVERY (@{map 4} mk_unfold_type_tac type_definitions pss qssss gssss); |
58448 | 303 |
in |
304 |
HEADGOAL Goal.conjunction_tac THEN |
|
305 |
EVERY (map2 mk_unfold_prop_tac dtor_corec_transfers corec_defs) |
|
306 |
end; |
|
307 |
||
51798 | 308 |
fun solve_prem_prem_tac ctxt = |
61760 | 309 |
REPEAT o (eresolve_tac ctxt @{thms bexE rev_bexI} ORELSE' |
310 |
rtac ctxt @{thm rev_bexI[OF UNIV_I]} ORELSE' hyp_subst_tac ctxt ORELSE' |
|
311 |
resolve_tac ctxt @{thms disjI1 disjI2}) THEN' |
|
60752 | 312 |
(rtac ctxt refl ORELSE' assume_tac ctxt ORELSE' rtac ctxt @{thm singletonI}); |
49426 | 313 |
|
55803
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parents:
55642
diff
changeset
|
314 |
fun mk_induct_leverage_prem_prems_tac ctxt nn kks fp_abs_inverses abs_inverses set_maps |
74d3fe9031d8
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traytel
parents:
55642
diff
changeset
|
315 |
pre_set_defs = |
61760 | 316 |
HEADGOAL (EVERY' (maps (fn kk => [select_prem_tac ctxt nn (dtac ctxt meta_spec) kk, |
317 |
etac ctxt meta_mp, |
|
55803
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traytel
parents:
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diff
changeset
|
318 |
SELECT_GOAL (unfold_thms_tac ctxt (pre_set_defs @ fp_abs_inverses @ abs_inverses @ set_maps @ |
55966 | 319 |
sumprod_thms_set)), |
52324 | 320 |
solve_prem_prem_tac ctxt]) (rev kks))); |
49368 | 321 |
|
55803
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traytel
parents:
55642
diff
changeset
|
322 |
fun mk_induct_discharge_prem_tac ctxt nn n fp_abs_inverses abs_inverses set_maps pre_set_defs m k |
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
323 |
kks = |
49429
64ac3471005a
cleaner way of dealing with the set functions of sums and products
blanchet
parents:
49428
diff
changeset
|
324 |
let val r = length kks in |
60728 | 325 |
HEADGOAL (EVERY' [select_prem_tac ctxt n (rotate_tac 1) k, rotate_tac ~1, hyp_subst_tac ctxt, |
326 |
REPEAT_DETERM_N m o (dtac ctxt meta_spec THEN' rotate_tac ~1)]) THEN |
|
49391 | 327 |
EVERY [REPEAT_DETERM_N r |
60728 | 328 |
(HEADGOAL (rotate_tac ~1 THEN' dtac ctxt meta_mp THEN' rotate_tac 1) THEN prefer_tac 2), |
60752 | 329 |
if r > 0 then ALLGOALS (Goal.norm_hhf_tac ctxt) else all_tac, HEADGOAL (assume_tac ctxt), |
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
330 |
mk_induct_leverage_prem_prems_tac ctxt nn kks fp_abs_inverses abs_inverses set_maps |
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
331 |
pre_set_defs] |
49391 | 332 |
end; |
49368 | 333 |
|
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
334 |
fun mk_induct_tac ctxt nn ns mss kkss ctr_defs ctor_induct' fp_abs_inverses abs_inverses set_maps |
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
335 |
pre_set_defss = |
49590 | 336 |
let val n = Integer.sum ns in |
58359
3782c7b0d1cc
avoid 'subst_tac' when possible (it is suspected of not helping 'HOL-Proofs')
blanchet
parents:
58353
diff
changeset
|
337 |
(if exists is_def_looping ctr_defs then |
3782c7b0d1cc
avoid 'subst_tac' when possible (it is suspected of not helping 'HOL-Proofs')
blanchet
parents:
58353
diff
changeset
|
338 |
EVERY (map (fn def => HEADGOAL (subst_asm_tac ctxt NONE [def])) ctr_defs) |
3782c7b0d1cc
avoid 'subst_tac' when possible (it is suspected of not helping 'HOL-Proofs')
blanchet
parents:
58353
diff
changeset
|
339 |
else |
3782c7b0d1cc
avoid 'subst_tac' when possible (it is suspected of not helping 'HOL-Proofs')
blanchet
parents:
58353
diff
changeset
|
340 |
unfold_thms_tac ctxt ctr_defs) THEN |
60728 | 341 |
HEADGOAL (rtac ctxt ctor_induct') THEN co_induct_inst_as_projs_tac ctxt 0 THEN |
58634
9f10d82e8188
added parameterized ML antiquotations @{map N}, @{fold N}, @{fold_map N}, @{split_list N};
wenzelm
parents:
58507
diff
changeset
|
342 |
EVERY (@{map 4} (EVERY oooo @{map 3} o |
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
343 |
mk_induct_discharge_prem_tac ctxt nn n fp_abs_inverses abs_inverses set_maps) |
74d3fe9031d8
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traytel
parents:
55642
diff
changeset
|
344 |
pre_set_defss mss (unflat mss (1 upto n)) kkss) |
49368 | 345 |
end; |
346 |
||
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
347 |
fun mk_coinduct_same_ctr_tac ctxt rel_eqs pre_rel_def fp_abs_inverse abs_inverse dtor_ctor ctr_def |
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
348 |
discs sels = |
51798 | 349 |
hyp_subst_tac ctxt THEN' |
49665 | 350 |
CONVERSION (hhf_concl_conv |
351 |
(Conv.top_conv (K (Conv.try_conv (Conv.rewr_conv ctr_def))) ctxt) ctxt) THEN' |
|
49642
9f884142334c
fixed simplification of prod and sum relators to avoid issues with e.g. codata ('a, 'b) k = K "'a + 'b"
blanchet
parents:
49639
diff
changeset
|
352 |
SELECT_GOAL (unfold_thms_tac ctxt (pre_rel_def :: dtor_ctor :: sels)) THEN' |
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
353 |
SELECT_GOAL (unfold_thms_tac ctxt (pre_rel_def :: fp_abs_inverse :: abs_inverse :: dtor_ctor :: |
55966 | 354 |
sels @ sumprod_thms_rel @ @{thms o_apply vimage2p_def})) THEN' |
60752 | 355 |
(assume_tac ctxt ORELSE' REPEAT o etac ctxt conjE THEN' |
56765 | 356 |
full_simp_tac (ss_only (no_refl discs @ rel_eqs @ more_simp_thms) ctxt) THEN' |
60728 | 357 |
REPEAT o etac ctxt conjE THEN_MAYBE' REPEAT o hyp_subst_tac ctxt THEN' |
60752 | 358 |
REPEAT o (resolve_tac ctxt [refl, conjI] ORELSE' assume_tac ctxt)); |
49590 | 359 |
|
52966 | 360 |
fun mk_coinduct_distinct_ctrs_tac ctxt discs discs' = |
54198
4fadf746f2d5
got rid of annoying duplicate rewrite rule warnings
blanchet
parents:
53690
diff
changeset
|
361 |
let |
4fadf746f2d5
got rid of annoying duplicate rewrite rule warnings
blanchet
parents:
53690
diff
changeset
|
362 |
val discs'' = map (perhaps (try (fn th => th RS @{thm notnotD}))) (discs @ discs') |
4fadf746f2d5
got rid of annoying duplicate rewrite rule warnings
blanchet
parents:
53690
diff
changeset
|
363 |
|> distinct Thm.eq_thm_prop; |
4fadf746f2d5
got rid of annoying duplicate rewrite rule warnings
blanchet
parents:
53690
diff
changeset
|
364 |
in |
60728 | 365 |
hyp_subst_tac ctxt THEN' REPEAT o etac ctxt conjE THEN' |
54198
4fadf746f2d5
got rid of annoying duplicate rewrite rule warnings
blanchet
parents:
53690
diff
changeset
|
366 |
full_simp_tac (ss_only (refl :: no_refl discs'' @ basic_simp_thms) ctxt) |
4fadf746f2d5
got rid of annoying duplicate rewrite rule warnings
blanchet
parents:
53690
diff
changeset
|
367 |
end; |
49590 | 368 |
|
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
369 |
fun mk_coinduct_discharge_prem_tac ctxt rel_eqs' nn kk n pre_rel_def fp_abs_inverse abs_inverse |
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
370 |
dtor_ctor exhaust ctr_defs discss selss = |
49590 | 371 |
let val ks = 1 upto n in |
61760 | 372 |
EVERY' ([rtac ctxt allI, rtac ctxt allI, rtac ctxt impI, |
373 |
select_prem_tac ctxt nn (dtac ctxt meta_spec) kk, dtac ctxt meta_spec, dtac ctxt meta_mp, |
|
374 |
assume_tac ctxt, rtac ctxt exhaust, K (co_induct_inst_as_projs_tac ctxt 0), |
|
375 |
hyp_subst_tac ctxt] @ |
|
58634
9f10d82e8188
added parameterized ML antiquotations @{map N}, @{fold N}, @{fold_map N}, @{split_list N};
wenzelm
parents:
58507
diff
changeset
|
376 |
@{map 4} (fn k => fn ctr_def => fn discs => fn sels => |
60728 | 377 |
EVERY' ([rtac ctxt exhaust, K (co_induct_inst_as_projs_tac ctxt 1)] @ |
49591
91b228e26348
generate high-level "coinduct" and "strong_coinduct" properties
blanchet
parents:
49590
diff
changeset
|
378 |
map2 (fn k' => fn discs' => |
91b228e26348
generate high-level "coinduct" and "strong_coinduct" properties
blanchet
parents:
49590
diff
changeset
|
379 |
if k' = k then |
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
380 |
mk_coinduct_same_ctr_tac ctxt rel_eqs' pre_rel_def fp_abs_inverse abs_inverse |
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
381 |
dtor_ctor ctr_def discs sels |
49591
91b228e26348
generate high-level "coinduct" and "strong_coinduct" properties
blanchet
parents:
49590
diff
changeset
|
382 |
else |
52966 | 383 |
mk_coinduct_distinct_ctrs_tac ctxt discs discs') ks discss)) ks ctr_defs discss selss) |
49590 | 384 |
end; |
385 |
||
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
386 |
fun mk_coinduct_tac ctxt rel_eqs' nn ns dtor_coinduct' pre_rel_defs fp_abs_inverses abs_inverses |
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
387 |
dtor_ctors exhausts ctr_defss discsss selsss = |
60728 | 388 |
HEADGOAL (rtac ctxt dtor_coinduct' THEN' |
58634
9f10d82e8188
added parameterized ML antiquotations @{map N}, @{fold N}, @{fold_map N}, @{split_list N};
wenzelm
parents:
58507
diff
changeset
|
389 |
EVERY' (@{map 10} (mk_coinduct_discharge_prem_tac ctxt rel_eqs' nn) |
55803
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
390 |
(1 upto nn) ns pre_rel_defs fp_abs_inverses abs_inverses dtor_ctors exhausts ctr_defss discsss |
74d3fe9031d8
joint work with blanchet: intermediate typedef for the input to fp-operations
traytel
parents:
55642
diff
changeset
|
391 |
selsss)); |
49590 | 392 |
|
63842 | 393 |
fun mk_map_tac ctxt abs_inverses pre_map_def dtor_ctor fp_map' live_nesting_map_ident0s ctr_defs' = |
63840 | 394 |
TRYALL Goal.conjunction_tac THEN |
63842 | 395 |
unfold_thms_tac ctxt (pre_map_def :: dtor_ctor :: fp_map' :: abs_inverses @ |
396 |
live_nesting_map_ident0s @ |
|
397 |
ctr_defs' @ sumprod_thms_map @ @{thms o_def[abs_def] id_def}) THEN |
|
63840 | 398 |
ALLGOALS (rtac ctxt refl); |
399 |
||
57983
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
400 |
fun mk_map_disc_iff_tac ctxt ct exhaust discs maps = |
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
401 |
TRYALL Goal.conjunction_tac THEN |
60784 | 402 |
ALLGOALS (rtac ctxt (infer_instantiate' ctxt [SOME ct] exhaust) THEN_ALL_NEW |
57983
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
403 |
REPEAT_DETERM o hyp_subst_tac ctxt) THEN |
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
404 |
unfold_thms_tac ctxt maps THEN |
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
405 |
unfold_thms_tac ctxt (map (fn thm => thm RS eqFalseI |
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
406 |
handle THM _ => thm RS eqTrueI) discs) THEN |
60728 | 407 |
ALLGOALS (rtac ctxt refl ORELSE' rtac ctxt TrueI); |
57983
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
408 |
|
58326
7e142efcee1a
make 'rel_sel' and 'map_sel' tactics more robust
desharna
parents:
58181
diff
changeset
|
409 |
fun mk_map_sel_tac ctxt ct exhaust discs maps sels map_id0s = |
57983
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
410 |
TRYALL Goal.conjunction_tac THEN |
63841 | 411 |
ALLGOALS (rtac ctxt (infer_instantiate' ctxt [SOME ct] exhaust) THEN_ALL_NEW |
412 |
REPEAT_DETERM o hyp_subst_tac ctxt) THEN |
|
413 |
unfold_thms_tac ctxt ((discs RL [eqTrueI, eqFalseI]) @ |
|
414 |
@{thms not_True_eq_False not_False_eq_True}) THEN |
|
415 |
TRYALL (etac ctxt FalseE ORELSE' etac ctxt @{thm TrueE}) THEN |
|
416 |
unfold_thms_tac ctxt (@{thm id_apply} :: maps @ sels @ map_id0s) THEN |
|
417 |
ALLGOALS (rtac ctxt refl); |
|
418 |
||
63842 | 419 |
fun mk_rel_tac ctxt abs_inverses pre_rel_def dtor_ctor fp_rel live_nesting_rel_eqs ctr_defs' = |
63841 | 420 |
TRYALL Goal.conjunction_tac THEN |
63842 | 421 |
unfold_thms_tac ctxt (pre_rel_def :: dtor_ctor :: fp_rel :: abs_inverses @ live_nesting_rel_eqs @ |
422 |
ctr_defs' @ sumprod_thms_rel @ @{thms vimage2p_def o_apply sum.inject |
|
423 |
sum.distinct(1)[THEN eq_False[THEN iffD2]] not_False_eq_True}) THEN |
|
63841 | 424 |
ALLGOALS (resolve_tac ctxt [TrueI, refl]); |
57983
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
425 |
|
62335 | 426 |
fun mk_rel_case_tac ctxt ct1 ct2 exhaust injects rel_injects distincts rel_distincts rel_eqs = |
60784 | 427 |
HEADGOAL (rtac ctxt (infer_instantiate' ctxt [SOME ct1] exhaust) THEN_ALL_NEW |
428 |
rtac ctxt (infer_instantiate' ctxt [SOME ct2] exhaust) THEN_ALL_NEW |
|
57525 | 429 |
hyp_subst_tac ctxt) THEN |
61344 | 430 |
unfold_thms_tac ctxt (rel_eqs @ injects @ rel_injects @ |
431 |
@{thms conj_imp_eq_imp_imp simp_thms(6) True_implies_equals} @ |
|
57529 | 432 |
map (fn thm => thm RS eqFalseI) (distincts @ rel_distincts) @ |
433 |
map (fn thm => thm RS eqTrueI) rel_injects) THEN |
|
60752 | 434 |
TRYALL (assume_tac ctxt ORELSE' etac ctxt FalseE ORELSE' |
61344 | 435 |
(REPEAT_DETERM o dtac ctxt meta_spec THEN' |
59498
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents:
59270
diff
changeset
|
436 |
TRY o filter_prems_tac ctxt |
57562 | 437 |
(forall (curry (op <>) (HOLogic.mk_Trueprop @{term False})) o Logic.strip_imp_prems) THEN' |
61344 | 438 |
REPEAT_DETERM o (dtac ctxt meta_mp THEN' rtac ctxt refl) THEN' |
439 |
(assume_tac ctxt ORELSE' Goal.assume_rule_tac ctxt))); |
|
57525 | 440 |
|
57301
7b997028aaac
generate 'rel_coinduct0' theorem for codatatypes
desharna
parents:
57152
diff
changeset
|
441 |
fun mk_rel_coinduct0_tac ctxt dtor_rel_coinduct cts assms exhausts discss selss ctor_defss |
57558
6bb3dd7f8097
took out 'rel_cases' for now because of failing tactic
blanchet
parents:
57529
diff
changeset
|
442 |
dtor_ctors ctor_injects abs_injects rel_pre_defs abs_inverses nesting_rel_eqs = |
60728 | 443 |
rtac ctxt dtor_rel_coinduct 1 THEN |
58634
9f10d82e8188
added parameterized ML antiquotations @{map N}, @{fold N}, @{fold_map N}, @{split_list N};
wenzelm
parents:
58507
diff
changeset
|
444 |
EVERY (@{map 11} (fn ct => fn assm => fn exhaust => fn discs => fn sels => fn ctor_defs => |
57670 | 445 |
fn dtor_ctor => fn ctor_inject => fn abs_inject => fn rel_pre_def => fn abs_inverse => |
60728 | 446 |
(rtac ctxt exhaust THEN_ALL_NEW (rtac ctxt exhaust THEN_ALL_NEW |
60784 | 447 |
(dtac ctxt (rotate_prems ~1 (infer_instantiate' ctxt [NONE, NONE, NONE, NONE, SOME ct] |
57670 | 448 |
@{thm arg_cong2} RS iffD1)) THEN' |
60752 | 449 |
assume_tac ctxt THEN' assume_tac ctxt THEN' hyp_subst_tac ctxt THEN' dtac ctxt assm THEN' |
60728 | 450 |
REPEAT_DETERM o etac ctxt conjE))) 1 THEN |
57668 | 451 |
unfold_thms_tac ctxt ((discs RL [eqTrueI, eqFalseI]) @ sels @ simp_thms') THEN |
57528 | 452 |
unfold_thms_tac ctxt (dtor_ctor :: rel_pre_def :: abs_inverse :: ctor_inject :: |
58128 | 453 |
abs_inject :: ctor_defs @ nesting_rel_eqs @ simp_thms' @ |
62335 | 454 |
@{thms id_bnf_def rel_sum_simps rel_prod_inject vimage2p_def Inl_Inr_False |
58353 | 455 |
iffD2[OF eq_False Inr_not_Inl] sum.inject prod.inject}) THEN |
61760 | 456 |
REPEAT_DETERM (HEADGOAL ((REPEAT_DETERM o etac ctxt conjE) THEN' |
457 |
(REPEAT_DETERM o rtac ctxt conjI) THEN' (rtac ctxt refl ORELSE' assume_tac ctxt)))) |
|
57301
7b997028aaac
generate 'rel_coinduct0' theorem for codatatypes
desharna
parents:
57152
diff
changeset
|
458 |
cts assms exhausts discss selss ctor_defss dtor_ctors ctor_injects abs_injects rel_pre_defs |
7b997028aaac
generate 'rel_coinduct0' theorem for codatatypes
desharna
parents:
57152
diff
changeset
|
459 |
abs_inverses); |
7b997028aaac
generate 'rel_coinduct0' theorem for codatatypes
desharna
parents:
57152
diff
changeset
|
460 |
|
57471 | 461 |
fun mk_rel_induct0_tac ctxt ctor_rel_induct assms cterms exhausts ctor_defss ctor_injects |
462 |
rel_pre_list_defs Abs_inverses nesting_rel_eqs = |
|
60728 | 463 |
rtac ctxt ctor_rel_induct 1 THEN EVERY (@{map 6} (fn cterm => fn exhaust => fn ctor_defs => |
57471 | 464 |
fn ctor_inject => fn rel_pre_list_def => fn Abs_inverse => |
60728 | 465 |
HEADGOAL (rtac ctxt exhaust THEN_ALL_NEW (rtac ctxt exhaust THEN_ALL_NEW |
61760 | 466 |
(rtac ctxt (infer_instantiate' ctxt (replicate 4 NONE @ [SOME cterm]) @{thm arg_cong2} |
467 |
RS iffD2) |
|
60752 | 468 |
THEN' assume_tac ctxt THEN' assume_tac ctxt THEN' TRY o resolve_tac ctxt assms))) THEN |
57700 | 469 |
unfold_thms_tac ctxt (ctor_inject :: rel_pre_list_def :: ctor_defs @ nesting_rel_eqs @ |
58353 | 470 |
@{thms id_bnf_def vimage2p_def}) THEN |
57471 | 471 |
TRYALL (hyp_subst_tac ctxt) THEN |
62335 | 472 |
unfold_thms_tac ctxt (Abs_inverse :: @{thms rel_sum_simps rel_prod_inject Inl_Inr_False |
57471 | 473 |
Inr_Inl_False sum.inject prod.inject}) THEN |
60752 | 474 |
TRYALL (rtac ctxt refl ORELSE' etac ctxt FalseE ORELSE' |
475 |
(REPEAT_DETERM o etac ctxt conjE) THEN' assume_tac ctxt)) |
|
57471 | 476 |
cterms exhausts ctor_defss ctor_injects rel_pre_list_defs Abs_inverses); |
477 |
||
58326
7e142efcee1a
make 'rel_sel' and 'map_sel' tactics more robust
desharna
parents:
58181
diff
changeset
|
478 |
fun mk_rel_sel_tac ctxt ct1 ct2 exhaust discs sels rel_injects distincts rel_distincts rel_eqs = |
60784 | 479 |
HEADGOAL (rtac ctxt (infer_instantiate' ctxt [SOME ct1] exhaust) THEN_ALL_NEW |
480 |
rtac ctxt (infer_instantiate' ctxt [SOME ct2] exhaust) THEN_ALL_NEW |
|
57563 | 481 |
hyp_subst_tac ctxt) THEN |
59270 | 482 |
unfold_thms_tac ctxt (sels @ rel_injects @ rel_eqs @ |
483 |
@{thms simp_thms(6,7,8,11,12,15,16,21,22,24)} @ ((discs @ distincts) RL [eqTrueI, eqFalseI]) @ |
|
484 |
(rel_injects RL [eqTrueI]) @ (rel_distincts RL [eqFalseI])) THEN |
|
59498
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents:
59270
diff
changeset
|
485 |
TRYALL (resolve_tac ctxt [TrueI, refl]); |
57563 | 486 |
|
58676 | 487 |
fun mk_sel_transfer_tac ctxt n sel_defs case_transfer = |
488 |
TRYALL Goal.conjunction_tac THEN |
|
63068
8b9401bfd9fd
unfold is subject to unfold_abs_def (still inactive);
wenzelm
parents:
62535
diff
changeset
|
489 |
unfold_thms_tac ctxt (map (Local_Defs.abs_def_rule ctxt) sel_defs) THEN |
60728 | 490 |
ALLGOALS (rtac ctxt (mk_rel_funDN n case_transfer) THEN_ALL_NEW |
60752 | 491 |
REPEAT_DETERM o (assume_tac ctxt ORELSE' rtac ctxt rel_funI)); |
58676 | 492 |
|
57983
6edc3529bb4e
reordered some (co)datatype property names for more consistency
blanchet
parents:
57893
diff
changeset
|
493 |
fun mk_set_sel_tac ctxt ct exhaust discs sels sets = |
57152 | 494 |
TRYALL Goal.conjunction_tac THEN |
63841 | 495 |
ALLGOALS (rtac ctxt (infer_instantiate' ctxt [SOME ct] exhaust) THEN_ALL_NEW |
496 |
REPEAT_DETERM o hyp_subst_tac ctxt) THEN |
|
497 |
unfold_thms_tac ctxt ((discs RL [eqTrueI, eqFalseI]) @ |
|
498 |
@{thms not_True_eq_False not_False_eq_True}) THEN |
|
499 |
TRYALL (etac ctxt FalseE ORELSE' etac ctxt @{thm TrueE}) THEN |
|
500 |
unfold_thms_tac ctxt (sels @ sets) THEN |
|
501 |
ALLGOALS (REPEAT o (resolve_tac ctxt @{thms UnI1 UnI2 imageI} ORELSE' |
|
502 |
eresolve_tac ctxt @{thms UN_I UN_I[rotated] imageE} ORELSE' |
|
503 |
hyp_subst_tac ctxt) THEN' |
|
504 |
(rtac ctxt @{thm singletonI} ORELSE' assume_tac ctxt)); |
|
57152 | 505 |
|
57893 | 506 |
fun mk_set_cases_tac ctxt ct assms exhaust sets = |
61760 | 507 |
HEADGOAL (rtac ctxt (infer_instantiate' ctxt [SOME ct] exhaust) |
508 |
THEN_ALL_NEW hyp_subst_tac ctxt) THEN |
|
57893 | 509 |
unfold_thms_tac ctxt sets THEN |
510 |
REPEAT_DETERM (HEADGOAL |
|
59498
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents:
59270
diff
changeset
|
511 |
(eresolve_tac ctxt @{thms FalseE emptyE singletonE UnE UN_E insertE} ORELSE' |
57893 | 512 |
hyp_subst_tac ctxt ORELSE' |
61760 | 513 |
SELECT_GOAL (SOLVE (HEADGOAL (eresolve_tac ctxt assms THEN' REPEAT_DETERM o |
514 |
assume_tac ctxt))))); |
|
57893 | 515 |
|
57891 | 516 |
fun mk_set_intros_tac ctxt sets = |
59856
ed0ca9029021
export more low-level theorems in data structure (partly for 'corec')
blanchet
parents:
59794
diff
changeset
|
517 |
TRYALL Goal.conjunction_tac THEN unfold_thms_tac ctxt sets THEN |
57891 | 518 |
TRYALL (REPEAT o |
59498
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents:
59270
diff
changeset
|
519 |
(resolve_tac ctxt @{thms UnI1 UnI2} ORELSE' |
60752 | 520 |
eresolve_tac ctxt @{thms UN_I UN_I[rotated]}) THEN' |
521 |
(rtac ctxt @{thm singletonI} ORELSE' assume_tac ctxt)); |
|
57891 | 522 |
|
57700 | 523 |
fun mk_set_induct0_tac ctxt cts assms dtor_set_inducts exhausts set_pre_defs ctor_defs dtor_ctors |
524 |
Abs_pre_inverses = |
|
525 |
let |
|
58417
fa50722ad6cb
make 'set_induct0' tactic more robust w.r.t multiple arguments constructors
desharna
parents:
58359
diff
changeset
|
526 |
val assms_tac = |
fa50722ad6cb
make 'set_induct0' tactic more robust w.r.t multiple arguments constructors
desharna
parents:
58359
diff
changeset
|
527 |
let val assms' = map (unfold_thms ctxt (@{thm id_bnf_def} :: ctor_defs)) assms in |
fa50722ad6cb
make 'set_induct0' tactic more robust w.r.t multiple arguments constructors
desharna
parents:
58359
diff
changeset
|
528 |
fold (curry (op ORELSE')) (map (fn thm => |
61760 | 529 |
funpow (length (Thm.prems_of thm)) (fn tac => tac THEN' assume_tac ctxt) |
530 |
(rtac ctxt thm)) assms') |
|
60728 | 531 |
(etac ctxt FalseE) |
58417
fa50722ad6cb
make 'set_induct0' tactic more robust w.r.t multiple arguments constructors
desharna
parents:
58359
diff
changeset
|
532 |
end; |
57700 | 533 |
val exhausts' = map (fn thm => thm RS @{thm asm_rl[of "P x y" for P x y]}) exhausts |
60784 | 534 |
|> map2 (fn ct => infer_instantiate' ctxt [NONE, SOME ct]) cts; |
57700 | 535 |
in |
59498
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents:
59270
diff
changeset
|
536 |
ALLGOALS (resolve_tac ctxt dtor_set_inducts) THEN |
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents:
59270
diff
changeset
|
537 |
TRYALL (resolve_tac ctxt exhausts' THEN_ALL_NEW |
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
wenzelm
parents:
59270
diff
changeset
|
538 |
(resolve_tac ctxt (map (fn ct => refl RS |
60784 | 539 |
infer_instantiate' ctxt (replicate 4 NONE @ [SOME ct]) @{thm arg_cong2} RS iffD2) cts) |
60752 | 540 |
THEN' assume_tac ctxt THEN' hyp_subst_tac ctxt)) THEN |
57700 | 541 |
unfold_thms_tac ctxt (Abs_pre_inverses @ dtor_ctors @ set_pre_defs @ ctor_defs @ |
58353 | 542 |
@{thms id_bnf_def o_apply sum_set_simps prod_set_simps UN_empty UN_insert Un_empty_left |
543 |
Un_empty_right empty_iff singleton_iff}) THEN |
|
61760 | 544 |
REPEAT (HEADGOAL (hyp_subst_tac ctxt ORELSE' |
545 |
eresolve_tac ctxt @{thms UN_E UnE singletonE} ORELSE' assms_tac)) |
|
57700 | 546 |
end; |
547 |
||
49123
263b0e330d8b
more work on sugar + simplify Trueprop + eq idiom everywhere
blanchet
parents:
diff
changeset
|
548 |
end; |