author | blanchet |
Wed, 11 Jul 2012 21:43:19 +0200 | |
changeset 48250 | 1065c307fafe |
parent 48246 | fb11c09d7729 |
child 48251 | 6cdcfbddc077 |
permissions | -rw-r--r-- |
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(* Title: HOL/TPTP/mash_export.ML |
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Author: Jasmin Blanchette, TU Muenchen |
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Copyright 2012 |
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Export Isabelle theory information for MaSh (Machine-learning for Sledgehammer). |
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*) |
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signature MASH_EXPORT = |
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sig |
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type stature = ATP_Problem_Generate.stature |
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type prover_result = Sledgehammer_Provers.prover_result |
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val non_tautological_facts_of : |
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theory -> (((unit -> string) * stature) * thm) list |
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val theory_ord : theory * theory -> order |
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val thm_ord : thm * thm -> order |
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val dependencies_of : string list -> thm -> string list |
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val goal_of_thm : theory -> thm -> thm |
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val meng_paulson_facts : |
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Proof.context -> int -> thm -> (((unit -> string) * stature) * thm) list |
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-> ((string * stature) * thm) list |
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val run_sledgehammer : |
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Proof.context -> ((string * stature) * thm) list -> thm -> prover_result |
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val generate_accessibility : theory -> bool -> string -> unit |
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val generate_features : theory -> bool -> string -> unit |
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val generate_isa_dependencies : theory -> bool -> string -> unit |
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val generate_atp_dependencies : |
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Proof.context -> theory -> bool -> string -> unit |
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val generate_commands : theory -> string -> unit |
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val generate_meng_paulson_suggestions : |
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Proof.context -> theory -> int -> string -> unit |
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end; |
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structure MaSh_Export : MASH_EXPORT = |
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struct |
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open ATP_Util |
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open ATP_Problem_Generate |
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open ATP_Theory_Export |
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type prover_result = Sledgehammer_Provers.prover_result |
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fun stringN_of_int 0 _ = "" |
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| stringN_of_int k n = |
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stringN_of_int (k - 1) (n div 10) ^ string_of_int (n mod 10) |
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fun escape_meta_char c = |
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if Char.isAlphaNum c orelse c = #"_" orelse c = #"." orelse c = #"(" orelse |
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c = #")" orelse c = #"," then |
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String.str c |
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else |
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(* fixed width, in case more digits follow *) |
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"\\" ^ stringN_of_int 3 (Char.ord c) |
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val escape_meta = String.translate escape_meta_char |
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val thy_prefix = "y_" |
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val fact_name_of = escape_meta |
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val thy_name_of = prefix thy_prefix o escape_meta |
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val const_name_of = prefix const_prefix o escape_meta |
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val type_name_of = prefix type_const_prefix o escape_meta |
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val class_name_of = prefix class_prefix o escape_meta |
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val thy_name_of_thm = theory_of_thm #> Context.theory_name |
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local |
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fun has_bool @{typ bool} = true |
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| has_bool (Type (_, Ts)) = exists has_bool Ts |
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| has_bool _ = false |
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fun has_fun (Type (@{type_name fun}, _)) = true |
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| has_fun (Type (_, Ts)) = exists has_fun Ts |
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| has_fun _ = false |
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val is_conn = member (op =) |
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[@{const_name Trueprop}, @{const_name HOL.conj}, @{const_name HOL.disj}, |
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@{const_name HOL.implies}, @{const_name Not}, |
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@{const_name All}, @{const_name Ex}, @{const_name Ball}, @{const_name Bex}, |
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@{const_name HOL.eq}] |
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val has_bool_arg_const = |
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exists_Const (fn (c, T) => |
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not (is_conn c) andalso exists has_bool (binder_types T)) |
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fun higher_inst_const thy (c, T) = |
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case binder_types T of |
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[] => false |
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| Ts => length (binder_types (Sign.the_const_type thy c)) <> length Ts |
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val binders = [@{const_name All}, @{const_name Ex}] |
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in |
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fun is_fo_term thy t = |
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let |
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val t = |
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t |> Envir.beta_eta_contract |
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|> transform_elim_prop |
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|> Object_Logic.atomize_term thy |
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in |
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Term.is_first_order binders t andalso |
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not (exists_subterm (fn Var (_, T) => has_bool T orelse has_fun T |
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| _ => false) t orelse |
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has_bool_arg_const t orelse exists_Const (higher_inst_const thy) t) |
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end |
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end |
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fun interesting_terms_types_and_classes term_max_depth type_max_depth t = |
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let |
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val bad_types = [@{type_name prop}, @{type_name bool}, @{type_name fun}] |
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val bad_consts = atp_widely_irrelevant_consts |
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fun do_add_type (Type (s, Ts)) = |
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(not (member (op =) bad_types s) ? insert (op =) (type_name_of s)) |
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#> fold do_add_type Ts |
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| do_add_type (TFree (_, S)) = union (op =) (map class_name_of S) |
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| do_add_type (TVar (_, S)) = union (op =) (map class_name_of S) |
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fun add_type T = type_max_depth >= 0 ? do_add_type T |
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fun mk_app s args = |
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if member (op <>) args "" then s ^ "(" ^ space_implode "," args ^ ")" |
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else s |
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fun patternify ~1 _ = "" |
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| patternify depth t = |
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case strip_comb t of |
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(Const (s, _), args) => |
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mk_app (const_name_of s) (map (patternify (depth - 1)) args) |
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| _ => "" |
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fun add_term_patterns ~1 _ = I |
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| add_term_patterns depth t = |
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insert (op =) (patternify depth t) |
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#> add_term_patterns (depth - 1) t |
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val add_term = add_term_patterns term_max_depth |
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fun add_patterns t = |
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let val (head, args) = strip_comb t in |
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(case head of |
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Const (s, T) => |
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not (member (op =) bad_consts s) ? (add_term t #> add_type T) |
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| Free (_, T) => add_type T |
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| Var (_, T) => add_type T |
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| Abs (_, T, body) => add_type T #> add_patterns body |
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| _ => I) |
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#> fold add_patterns args |
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end |
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in [] |> add_patterns t |> sort string_ord end |
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fun is_likely_tautology th = |
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null (interesting_terms_types_and_classes 0 ~1 (prop_of th)) andalso |
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not (Thm.eq_thm_prop (@{thm ext}, th)) |
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fun is_too_meta thy th = |
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fastype_of (Object_Logic.atomize_term thy (prop_of th)) <> @{typ bool} |
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fun non_tautological_facts_of thy = |
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all_facts_of_theory thy |
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|> filter_out ((is_likely_tautology orf is_too_meta thy) o snd) |
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fun theory_ord p = |
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if Theory.eq_thy p then EQUAL |
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else if Theory.subthy p then LESS |
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else if Theory.subthy (swap p) then GREATER |
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else EQUAL |
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val thm_ord = theory_ord o pairself theory_of_thm |
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fun thms_by_thy ths = |
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ths |> map (snd #> `thy_name_of_thm) |
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|> AList.group (op =) |
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|> sort (int_ord o pairself (length o Theory.ancestors_of o theory_of_thm |
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o hd o snd)) |
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|> map (apsnd (sort thm_ord)) |
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fun has_thy thy th = (Context.theory_name thy = thy_name_of_thm th) |
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fun parent_thms thy_ths thy = |
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Theory.parents_of thy |
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|> map Context.theory_name |
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|> map_filter (AList.lookup (op =) thy_ths) |
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|> map List.last |
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|> map (fact_name_of o Thm.get_name_hint) |
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fun is_exists (s, _) = (s = @{const_name Ex} orelse s = @{const_name Ex1}) |
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val max_depth = 1 |
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(* TODO: Generate type classes for types? *) |
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fun features_of thy (status, th) = |
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let val t = Thm.prop_of th in |
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thy_name_of (thy_name_of_thm th) :: |
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interesting_terms_types_and_classes max_depth max_depth t |
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|> not (has_no_lambdas t) ? cons "lambdas" |
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|> exists_Const is_exists t ? cons "skolems" |
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|> not (is_fo_term thy t) ? cons "ho" |
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|> (case status of |
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General => I |
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| Induction => cons "induction" |
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| Intro => cons "intro" |
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| Inductive => cons "inductive" |
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| Elim => cons "elim" |
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| Simp => cons "simp" |
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| Def => cons "def") |
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end |
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fun dependencies_of all_facts = |
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theorems_mentioned_in_proof_term (SOME all_facts) |
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#> map fact_name_of |
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#> sort string_ord |
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val freezeT = Type.legacy_freeze_type |
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fun freeze (t $ u) = freeze t $ freeze u |
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| freeze (Abs (s, T, t)) = Abs (s, freezeT T, freeze t) |
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| freeze (Var ((s, _), T)) = Free (s, freezeT T) |
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| freeze (Const (s, T)) = Const (s, freezeT T) |
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| freeze (Free (s, T)) = Free (s, freezeT T) |
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| freeze t = t |
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48250
1065c307fafe
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blanchet
parents:
48246
diff
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fun goal_of_thm thy = prop_of #> freeze #> cterm_of thy #> Goal.init |
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fun meng_paulson_facts ctxt max_relevant goal = |
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let |
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val {provers, relevance_thresholds, ...} = |
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Sledgehammer_Isar.default_params ctxt [] |
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val prover_name = hd provers |
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val (_, hyp_ts, concl_t) = ATP_Util.strip_subgoal ctxt goal 1 |
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val is_built_in_const = |
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Sledgehammer_Provers.is_built_in_const_for_prover ctxt prover_name |
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val relevance_fudge = |
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Sledgehammer_Provers.relevance_fudge_for_prover ctxt prover_name |
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val relevance_override = {add = [], del = [], only = false} |
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in |
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Sledgehammer_Filter.relevant_facts ctxt relevance_thresholds |
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max_relevant is_built_in_const relevance_fudge relevance_override [] |
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hyp_ts concl_t |
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end |
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fun run_sledgehammer ctxt facts goal = |
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let |
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val params as {provers, ...} = Sledgehammer_Isar.default_params ctxt [] |
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val problem = |
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{state = Proof.init ctxt, goal = goal, subgoal = 1, subgoal_count = 1, |
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facts = facts |> map Sledgehammer_Provers.Untranslated_Fact} |
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val prover = |
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Sledgehammer_Minimize.get_minimizing_prover ctxt |
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Sledgehammer_Provers.Normal (hd provers) |
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in prover params (K (K (K ""))) problem end |
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fun generate_accessibility thy include_thy file_name = |
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let |
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val path = file_name |> Path.explode |
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val _ = File.write path "" |
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fun do_thm th prevs = |
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let |
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val s = th ^ ": " ^ space_implode " " prevs ^ "\n" |
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val _ = File.append path s |
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in [th] end |
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val thy_ths = |
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non_tautological_facts_of thy |
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|> not include_thy ? filter_out (has_thy thy o snd) |
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|> thms_by_thy |
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fun do_thy ths = |
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let |
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val thy = theory_of_thm (hd ths) |
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val parents = parent_thms thy_ths thy |
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val ths = ths |> map (fact_name_of o Thm.get_name_hint) |
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in fold do_thm ths parents; () end |
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in List.app (do_thy o snd) thy_ths end |
48234 | 269 |
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fun generate_features thy include_thy file_name = |
48234 | 271 |
let |
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val path = file_name |> Path.explode |
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val _ = File.write path "" |
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val facts = |
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non_tautological_facts_of thy |
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|> not include_thy ? filter_out (has_thy thy o snd) |
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fun do_fact ((_, (_, status)), th) = |
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278 |
let |
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val name = Thm.get_name_hint th |
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val feats = features_of thy (status, th) |
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val s = fact_name_of name ^ ": " ^ space_implode " " feats ^ "\n" |
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in File.append path s end |
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in List.app do_fact facts end |
48234 | 284 |
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fun generate_isa_dependencies thy include_thy file_name = |
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let |
287 |
val path = file_name |> Path.explode |
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288 |
val _ = File.write path "" |
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val ths = |
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non_tautological_facts_of thy |
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|> not include_thy ? filter_out (has_thy thy o snd) |
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|> map snd |
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val all_names = ths |> map Thm.get_name_hint |
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fun do_thm th = |
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let |
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val name = Thm.get_name_hint th |
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val deps = dependencies_of all_names th |
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val s = fact_name_of name ^ ": " ^ space_implode " " deps ^ "\n" |
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in File.append path s end |
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300 |
in List.app do_thm ths end |
48234 | 301 |
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fun generate_atp_dependencies ctxt thy include_thy file_name = |
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let |
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val {max_relevant, ...} = Sledgehammer_Isar.default_params ctxt [] |
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val path = file_name |> Path.explode |
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val _ = File.write path "" |
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val facts = |
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non_tautological_facts_of thy |
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|> not include_thy ? filter_out (has_thy thy o snd) |
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val ths = facts |> map snd |
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val all_names = ths |> map Thm.get_name_hint |
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fun is_dep dep (_, th) = fact_name_of (Thm.get_name_hint th) = dep |
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fun add_isa_dep facts dep accum = |
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if exists (is_dep dep) accum then |
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accum |
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else case find_first (is_dep dep) facts of |
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SOME ((name, status), th) => accum @ [((name (), status), th)] |
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| NONE => accum (* shouldn't happen *) |
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fun fix_name ((_, stature), th) = |
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((th |> Thm.get_name_hint |> fact_name_of, stature), th) |
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fun do_thm th = |
322 |
let |
|
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val name = Thm.get_name_hint th |
|
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val goal = goal_of_thm thy th |
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val deps = |
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case dependencies_of all_names th of |
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[] => [] |
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| isa_dep as [_] => isa_dep (* can hardly beat that *) |
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| isa_deps => |
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let |
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val facts = |
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facts |> filter (fn (_, th') => thm_ord (th', th) = LESS) |
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val facts = |
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facts |> meng_paulson_facts ctxt (the max_relevant) goal |
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|> fold (add_isa_dep facts) isa_deps |
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|> map fix_name |
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in |
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case run_sledgehammer ctxt facts goal of |
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{outcome = NONE, used_facts, ...} => |
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used_facts |> map fst |> sort string_ord |
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| _ => isa_deps |
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end |
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val s = fact_name_of name ^ ": " ^ space_implode " " deps ^ "\n" |
344 |
in File.append path s end |
|
345 |
in List.app do_thm ths end |
|
346 |
||
347 |
fun generate_commands thy file_name = |
|
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let |
349 |
val path = file_name |> Path.explode |
|
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val _ = File.write path "" |
|
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val facts = non_tautological_facts_of thy |
|
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val (new_facts, old_facts) = |
|
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facts |> List.partition (has_thy thy o snd) |
|
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|>> sort (thm_ord o pairself snd) |
|
355 |
val ths = facts |> map snd |
|
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val all_names = ths |> map Thm.get_name_hint |
|
357 |
fun do_fact ((_, (_, status)), th) prevs = |
|
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let |
|
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val name = Thm.get_name_hint th |
|
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val feats = features_of thy (status, th) |
|
361 |
val deps = dependencies_of all_names th |
|
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val kind = Thm.legacy_get_kind th |
|
363 |
val name = fact_name_of name |
|
364 |
val core = |
|
365 |
name ^ ": " ^ space_implode " " prevs ^ "; " ^ space_implode " " feats |
|
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val query = if kind <> "" then "? " ^ core ^ "\n" else "" |
|
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val update = "! " ^ core ^ "; " ^ space_implode " " deps ^ "\n" |
|
368 |
val _ = File.append path (query ^ update) |
|
369 |
in [name] end |
|
370 |
val thy_ths = old_facts |> thms_by_thy |
|
371 |
val parents = parent_thms thy_ths thy |
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in fold do_fact new_facts parents; () end |
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373 |
|
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fun generate_meng_paulson_suggestions ctxt thy max_relevant file_name = |
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let |
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val path = file_name |> Path.explode |
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val _ = File.write path "" |
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val facts = non_tautological_facts_of thy |
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val (new_facts, old_facts) = |
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facts |> List.partition (has_thy thy o snd) |
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|>> sort (thm_ord o pairself snd) |
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fun do_fact (fact as (_, th)) old_facts = |
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383 |
let |
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val name = Thm.get_name_hint th |
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385 |
val goal = goal_of_thm thy th |
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386 |
val kind = Thm.legacy_get_kind th |
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387 |
val _ = |
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388 |
if kind <> "" then |
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389 |
let |
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390 |
val suggs = |
48245 | 391 |
old_facts |> meng_paulson_facts ctxt max_relevant goal |
392 |
|> map (fact_name_of o fst o fst) |
|
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393 |
|> sort string_ord |
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val s = fact_name_of name ^ ": " ^ space_implode " " suggs ^ "\n" |
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395 |
in File.append path s end |
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396 |
else |
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397 |
() |
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398 |
in fact :: old_facts end |
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|
399 |
in fold do_fact new_facts old_facts; () end |
48234 | 400 |
|
401 |
end; |