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(* Title: HOL/ex/tptp_export.ML
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Author: Jasmin Blanchette, TU Muenchen
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Copyright 2011
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Export Isabelle theories as first-order TPTP inferences, exploiting
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Sledgehammer's translation.
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*)
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signature TPTP_EXPORT =
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sig
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val generate_tptp_graph_file_for_theory :
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Proof.context -> theory -> string -> unit
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val generate_tptp_inference_file_for_theory :
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Proof.context -> theory -> bool -> string -> unit
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end;
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structure TPTP_Export : TPTP_EXPORT =
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struct
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val ascii_of = ATP_Translate.ascii_of
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val fact_name_of = prefix ATP_Translate.fact_prefix o ascii_of
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fun facts_of thy =
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Sledgehammer_Filter.all_facts (ProofContext.init_global thy) Symtab.empty
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true (K true) [] []
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fun fold_body_thms f =
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let
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fun app n (PBody {thms, ...}) = thms |> fold (fn (i, (name, prop, body)) => fn (x, seen) =>
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if Inttab.defined seen i then (x, seen)
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else
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let
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val body' = Future.join body;
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val (x', seen') = app (n + (if name = "" then 0 else 1)) body' (x, Inttab.update (i, ()) seen);
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in (x' |> n = 1 ? f (name, prop, body'), seen') end);
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in fn bodies => fn x => #1 (fold (app 0) bodies (x, Inttab.empty)) end;
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fun theorems_mentioned_in_proof_term thm =
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let
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fun collect (s, _, _) = if s <> "" then insert (op =) s else I
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val names =
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[] |> fold_body_thms collect [Thm.proof_body_of thm] |> map fact_name_of
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in names end
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fun interesting_const_names ctxt =
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let val thy = ProofContext.theory_of ctxt in
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Sledgehammer_Filter.const_names_in_fact thy
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(Sledgehammer_Provers.is_built_in_const_for_prover ctxt ATP_Systems.eN)
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end
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fun generate_tptp_graph_file_for_theory ctxt 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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val axioms = Theory.all_axioms_of thy |> map fst
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fun do_thm thm =
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let
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val name = Thm.get_name_hint thm
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val s =
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"[" ^ Thm.legacy_get_kind thm ^ "] " ^
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(if member (op =) axioms name then "A" else "T") ^ " " ^
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prefix ATP_Translate.fact_prefix (ascii_of name) ^ ": " ^
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commas (theorems_mentioned_in_proof_term thm) ^ "; " ^
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commas (map (prefix ATP_Translate.const_prefix o ascii_of)
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(interesting_const_names ctxt (Thm.prop_of thm))) ^ " \n"
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in File.append path s end
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val thms = facts_of thy |> map (snd o snd)
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val _ = map do_thm thms
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in () end
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fun inference_term [] = NONE
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| inference_term ss =
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ATP_Problem.ATerm ("inference",
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[ATP_Problem.ATerm ("isabelle", []),
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ATP_Problem.ATerm ("[]", []),
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ATP_Problem.ATerm ("[]",
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map (fn s => ATP_Problem.ATerm (s, [])) ss)])
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|> SOME
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fun inference infers ident =
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these (AList.lookup (op =) infers ident) |> inference_term
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fun add_inferences_to_problem_line infers
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(ATP_Problem.Formula (ident, ATP_Problem.Axiom, phi, NONE, NONE)) =
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ATP_Problem.Formula (ident, ATP_Problem.Lemma, phi, inference infers ident,
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NONE)
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| add_inferences_to_problem_line _ line = line
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val add_inferences_to_problem =
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map o apsnd o map o add_inferences_to_problem_line
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fun generate_tptp_inference_file_for_theory ctxt thy full_types file_name =
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let
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val format = ATP_Problem.FOF
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val type_sys =
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ATP_Translate.Preds
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(ATP_Translate.Polymorphic,
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if full_types then ATP_Translate.All_Types
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else ATP_Translate.Const_Arg_Types,
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ATP_Translate.Heavy)
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val path = file_name |> Path.explode
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val _ = File.write path ""
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val facts0 = facts_of thy
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val facts =
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facts0 |> map_filter (try (fn ((_, loc), (_, th)) =>
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ATP_Translate.translate_atp_fact ctxt format
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type_sys true ((Thm.get_name_hint th, loc), th)))
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val explicit_apply = NONE
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val (atp_problem, _, _, _, _, _, _) =
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ATP_Translate.prepare_atp_problem ctxt format
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ATP_Problem.Axiom ATP_Problem.Axiom type_sys explicit_apply []
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@{prop False} facts
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val infers =
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facts0 |> map (fn (_, (_, th)) =>
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(fact_name_of (Thm.get_name_hint th),
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theorems_mentioned_in_proof_term th))
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val infers =
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infers |> map (apsnd (filter (member (op = o apsnd fst) infers)))
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val atp_problem = atp_problem |> add_inferences_to_problem infers
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val ss =
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ATP_Problem.tptp_strings_for_atp_problem ATP_Problem.FOF atp_problem
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val _ = app (File.append path) ss
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in () end
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end;
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