author | blanchet |
Mon, 22 Aug 2011 15:02:45 +0200 | |
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parent 44402 | f0bc74b9161e |
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permissions | -rw-r--r-- |
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(* Title: HOL/Tools/ATP/atp_problem.ML |
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Author: Jia Meng, Cambridge University Computer Laboratory and NICTA |
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Author: Jasmin Blanchette, TU Muenchen |
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Abstract representation of ATP problems and TPTP syntax. |
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*) |
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signature ATP_PROBLEM = |
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sig |
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datatype ('a, 'b) ho_term = |
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ATerm of 'a * ('a, 'b) ho_term list | |
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AAbs of ('a * 'b) * ('a, 'b) ho_term |
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datatype quantifier = AForall | AExists |
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datatype connective = ANot | AAnd | AOr | AImplies | AIff |
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datatype ('a, 'b, 'c) formula = |
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AQuant of quantifier * ('a * 'b option) list * ('a, 'b, 'c) formula | |
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AConn of connective * ('a, 'b, 'c) formula list | |
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AAtom of 'c |
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datatype 'a ho_type = AType of 'a | AFun of 'a ho_type * 'a ho_type |
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datatype thf_flavor = Without_Choice | With_Choice |
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datatype format = |
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CNF | |
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CNF_UEQ | |
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FOF | |
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TFF | |
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THF of thf_flavor |
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datatype formula_kind = Axiom | Definition | Lemma | Hypothesis | Conjecture |
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datatype 'a problem_line = |
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Decl of string * 'a * 'a ho_type | |
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Formula of string * formula_kind |
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* ('a, 'a ho_type, ('a, 'a ho_type) ho_term) formula |
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* (string, string ho_type) ho_term option |
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* (string, string ho_type) ho_term option |
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type 'a problem = (string * 'a problem_line list) list |
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val tptp_cnf : string |
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val tptp_fof : string |
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val tptp_tff : string |
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val tptp_thf : string |
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val tptp_has_type : string |
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val tptp_type_of_types : string |
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val tptp_bool_type : string |
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val tptp_individual_type : string |
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val tptp_fun_type : string |
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val tptp_product_type : string |
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val tptp_forall : string |
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val tptp_ho_forall : string |
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val tptp_exists : string |
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val tptp_ho_exists : string |
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val tptp_not : string |
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val tptp_and : string |
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val tptp_or : string |
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val tptp_implies : string |
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val tptp_if : string |
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val tptp_iff : string |
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val tptp_not_iff : string |
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val tptp_app : string |
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val tptp_not_infix : string |
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val tptp_equal : string |
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val tptp_old_equal : string |
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val tptp_false : string |
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val tptp_true : string |
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val tptp_empty_list : string |
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val is_tptp_equal : string -> bool |
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val is_built_in_tptp_symbol : string -> bool |
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val is_tptp_variable : string -> bool |
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val is_tptp_user_symbol : string -> bool |
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val mk_anot : ('a, 'b, 'c) formula -> ('a, 'b, 'c) formula |
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val mk_aconn : |
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connective -> ('a, 'b, 'c) formula -> ('a, 'b, 'c) formula |
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-> ('a, 'b, 'c) formula |
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val aconn_fold : |
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bool option -> (bool option -> 'a -> 'b -> 'b) -> connective * 'a list |
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-> 'b -> 'b |
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val aconn_map : |
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bool option -> (bool option -> 'a -> ('b, 'c, 'd) formula) |
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-> connective * 'a list -> ('b, 'c, 'd) formula |
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val formula_fold : |
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bool option -> (bool option -> 'c -> 'd -> 'd) -> ('a, 'b, 'c) formula |
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-> 'd -> 'd |
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val formula_map : ('c -> 'd) -> ('a, 'b, 'c) formula -> ('a, 'b, 'd) formula |
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val is_format_thf : format -> bool |
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val is_format_typed : format -> bool |
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val tptp_lines_for_atp_problem : format -> string problem -> string list |
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val ensure_cnf_problem : |
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(string * string) problem -> (string * string) problem |
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val filter_cnf_ueq_problem : |
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(string * string) problem -> (string * string) problem |
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val declare_undeclared_syms_in_atp_problem : |
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string -> string -> (string * string) problem -> (string * string) problem |
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val nice_atp_problem : |
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bool -> ('a * (string * string) problem_line list) list |
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-> ('a * string problem_line list) list |
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* (string Symtab.table * string Symtab.table) option |
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end; |
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structure ATP_Problem : ATP_PROBLEM = |
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struct |
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open ATP_Util |
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(** ATP problem **) |
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datatype ('a, 'b) ho_term = |
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ATerm of 'a * ('a, 'b) ho_term list | |
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AAbs of ('a * 'b) * ('a, 'b) ho_term |
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datatype quantifier = AForall | AExists |
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datatype connective = ANot | AAnd | AOr | AImplies | AIff |
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datatype ('a, 'b, 'c) formula = |
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AQuant of quantifier * ('a * 'b option) list * ('a, 'b, 'c) formula | |
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AConn of connective * ('a, 'b, 'c) formula list | |
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AAtom of 'c |
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datatype 'a ho_type = AType of 'a | AFun of 'a ho_type * 'a ho_type |
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datatype thf_flavor = Without_Choice | With_Choice |
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datatype format = |
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CNF | |
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CNF_UEQ | |
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FOF | |
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TFF | |
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THF of thf_flavor |
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datatype formula_kind = Axiom | Definition | Lemma | Hypothesis | Conjecture |
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datatype 'a problem_line = |
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Decl of string * 'a * 'a ho_type | |
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Formula of string * formula_kind * ('a, 'a ho_type, ('a, 'a ho_type) ho_term) formula |
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* (string, string ho_type) ho_term option * (string, string ho_type) ho_term option |
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type 'a problem = (string * 'a problem_line list) list |
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(* official TPTP syntax *) |
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val tptp_cnf = "cnf" |
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val tptp_fof = "fof" |
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val tptp_tff = "tff" |
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val tptp_thf = "thf" |
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val tptp_has_type = ":" |
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val tptp_type_of_types = "$tType" |
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val tptp_bool_type = "$o" |
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val tptp_individual_type = "$i" |
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val tptp_fun_type = ">" |
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val tptp_product_type = "*" |
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val tptp_forall = "!" |
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val tptp_ho_forall = "!!" |
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val tptp_exists = "?" |
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val tptp_ho_exists = "??" |
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val tptp_not = "~" |
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val tptp_and = "&" |
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val tptp_or = "|" |
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val tptp_implies = "=>" |
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val tptp_if = "<=" |
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val tptp_iff = "<=>" |
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val tptp_not_iff = "<~>" |
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val tptp_app = "@" |
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val tptp_not_infix = "!" |
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val tptp_equal = "=" |
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val tptp_old_equal = "equal" |
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val tptp_false = "$false" |
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val tptp_true = "$true" |
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val tptp_empty_list = "[]" |
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|
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fun is_tptp_equal s = (s = tptp_equal orelse s = tptp_old_equal) |
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fun is_built_in_tptp_symbol s = |
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s = tptp_old_equal orelse not (Char.isAlpha (String.sub (s, 0))) |
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fun is_tptp_variable s = Char.isUpper (String.sub (s, 0)) |
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val is_tptp_user_symbol = not o (is_tptp_variable orf is_built_in_tptp_symbol) |
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|
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fun raw_polarities_of_conn ANot = (SOME false, NONE) |
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| raw_polarities_of_conn AAnd = (SOME true, SOME true) |
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| raw_polarities_of_conn AOr = (SOME true, SOME true) |
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| raw_polarities_of_conn AImplies = (SOME false, SOME true) |
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| raw_polarities_of_conn AIff = (NONE, NONE) |
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fun polarities_of_conn NONE = K (NONE, NONE) |
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| polarities_of_conn (SOME pos) = |
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raw_polarities_of_conn #> not pos ? pairself (Option.map not) |
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179 |
|
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fun mk_anot (AConn (ANot, [phi])) = phi |
181 |
| mk_anot phi = AConn (ANot, [phi]) |
|
182 |
fun mk_aconn c phi1 phi2 = AConn (c, [phi1, phi2]) |
|
183 |
||
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fun aconn_fold pos f (ANot, [phi]) = f (Option.map not pos) phi |
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| aconn_fold pos f (AImplies, [phi1, phi2]) = |
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f (Option.map not pos) phi1 #> f pos phi2 |
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| aconn_fold pos f (AAnd, phis) = fold (f pos) phis |
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| aconn_fold pos f (AOr, phis) = fold (f pos) phis |
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| aconn_fold _ f (_, phis) = fold (f NONE) phis |
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190 |
|
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fun aconn_map pos f (ANot, [phi]) = AConn (ANot, [f (Option.map not pos) phi]) |
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| aconn_map pos f (AImplies, [phi1, phi2]) = |
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193 |
AConn (AImplies, [f (Option.map not pos) phi1, f pos phi2]) |
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194 |
| aconn_map pos f (AAnd, phis) = AConn (AAnd, map (f pos) phis) |
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195 |
| aconn_map pos f (AOr, phis) = AConn (AOr, map (f pos) phis) |
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| aconn_map _ f (c, phis) = AConn (c, map (f NONE) phis) |
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197 |
|
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198 |
fun formula_fold pos f = |
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199 |
let |
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200 |
fun aux pos (AQuant (_, _, phi)) = aux pos phi |
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201 |
| aux pos (AConn conn) = aconn_fold pos aux conn |
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202 |
| aux pos (AAtom tm) = f pos tm |
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203 |
in aux pos end |
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|
204 |
|
42944
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|
205 |
fun formula_map f (AQuant (q, xs, phi)) = AQuant (q, xs, formula_map f phi) |
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|
206 |
| formula_map f (AConn (c, phis)) = AConn (c, map (formula_map f) phis) |
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|
207 |
| formula_map f (AAtom tm) = AAtom (f tm) |
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|
208 |
|
44235
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|
209 |
fun is_format_thf (THF _) = true |
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|
210 |
| is_format_thf _ = false |
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|
211 |
fun is_format_typed TFF = true |
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|
212 |
| is_format_typed (THF _) = true |
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|
213 |
| is_format_typed _ = false |
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|
214 |
|
38631
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prefer TPTP "conjecture" tag to "hypothesis" on ATPs where this is possible;
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|
215 |
fun string_for_kind Axiom = "axiom" |
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
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|
216 |
| string_for_kind Definition = "definition" |
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|
217 |
| string_for_kind Lemma = "lemma" |
38631
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|
218 |
| string_for_kind Hypothesis = "hypothesis" |
979a0b37f981
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|
219 |
| string_for_kind Conjecture = "conjecture" |
979a0b37f981
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changeset
|
220 |
|
42963 | 221 |
fun strip_tff_type (AFun (AType s, ty)) = strip_tff_type ty |>> cons s |
222 |
| strip_tff_type (AFun (AFun _, _)) = |
|
223 |
raise Fail "unexpected higher-order type in first-order format" |
|
224 |
| strip_tff_type (AType s) = ([], s) |
|
225 |
||
44235
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|
226 |
fun string_for_type (THF _) ty = |
42963 | 227 |
let |
228 |
fun aux _ (AType s) = s |
|
229 |
| aux rhs (AFun (ty1, ty2)) = |
|
230 |
aux false ty1 ^ " " ^ tptp_fun_type ^ " " ^ aux true ty2 |
|
231 |
|> not rhs ? enclose "(" ")" |
|
232 |
in aux true ty end |
|
233 |
| string_for_type TFF ty = |
|
234 |
(case strip_tff_type ty of |
|
235 |
([], s) => s |
|
236 |
| ([s'], s) => s' ^ " " ^ tptp_fun_type ^ " " ^ s |
|
42968
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|
237 |
| (ss, s) => |
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|
238 |
"(" ^ space_implode (" " ^ tptp_product_type ^ " ") ss ^ ") " ^ |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
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diff
changeset
|
239 |
tptp_fun_type ^ " " ^ s) |
42963 | 240 |
| string_for_type _ _ = raise Fail "unexpected type in untyped format" |
241 |
||
42968
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|
242 |
fun string_for_quantifier AForall = tptp_forall |
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|
243 |
| string_for_quantifier AExists = tptp_exists |
42963 | 244 |
|
42967 | 245 |
fun string_for_connective ANot = tptp_not |
42968
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|
246 |
| string_for_connective AAnd = tptp_and |
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|
247 |
| string_for_connective AOr = tptp_or |
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|
248 |
| string_for_connective AImplies = tptp_implies |
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|
249 |
| string_for_connective AIff = tptp_iff |
42963 | 250 |
|
42962
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|
251 |
fun string_for_bound_var format (s, ty) = |
44235
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|
252 |
s ^ (if is_format_typed format then |
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|
253 |
" " ^ tptp_has_type ^ " " ^ |
42963 | 254 |
string_for_type format (ty |> the_default (AType tptp_individual_type)) |
255 |
else |
|
256 |
"") |
|
257 |
||
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|
258 |
fun string_for_term _ (ATerm (s, [])) = s |
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|
259 |
| string_for_term format (ATerm (s, ts)) = |
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|
260 |
if s = tptp_empty_list then |
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|
261 |
(* used for lists in the optional "source" field of a derivation *) |
85c91284ed94
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|
262 |
"[" ^ commas (map (string_for_term format) ts) ^ "]" |
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|
263 |
else if is_tptp_equal s then |
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|
264 |
space_implode (" " ^ tptp_equal ^ " ") (map (string_for_term format) ts) |
44235
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|
265 |
|> is_format_thf format ? enclose "(" ")" |
43986
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|
266 |
else |
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|
267 |
(case (s = tptp_ho_forall orelse s = tptp_ho_exists, ts) of |
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|
268 |
(true, [AAbs ((s', ty), tm)]) => |
43987
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|
269 |
(* Use syntactic sugar "!" and "?" instead of "!!" and "??" whenever |
2850b7dc27a4
further worked around LEO-II parser limitation, with eta-expansion
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270 |
possible, to work around LEO-II 1.2.8 parser limitation. *) |
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|
271 |
string_for_formula format |
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|
272 |
(AQuant (if s = tptp_ho_forall then AForall else AExists, |
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|
273 |
[(s', SOME ty)], AAtom tm)) |
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|
274 |
| _ => |
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275 |
let val ss = map (string_for_term format) ts in |
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|
276 |
if is_format_thf format then |
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|
277 |
"(" ^ space_implode (" " ^ tptp_app ^ " ") (s :: ss) ^ ")" |
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|
278 |
else |
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|
279 |
s ^ "(" ^ commas ss ^ ")" |
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|
280 |
end) |
44235
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|
281 |
| string_for_term (format as THF _) (AAbs ((s, ty), tm)) = |
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|
282 |
"(^[" ^ s ^ " : " ^ string_for_type format ty ^ "] : " ^ |
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|
283 |
string_for_term format tm ^ ")" |
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|
284 |
| string_for_term _ _ = raise Fail "unexpected term in first-order format" |
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|
285 |
and string_for_formula format (AQuant (q, xs, phi)) = |
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|
286 |
string_for_quantifier q ^ |
42722 | 287 |
"[" ^ commas (map (string_for_bound_var format) xs) ^ "] : " ^ |
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|
288 |
string_for_formula format phi |
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|
289 |
|> enclose "(" ")" |
43000
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|
290 |
| string_for_formula format |
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|
291 |
(AConn (ANot, [AAtom (ATerm ("=" (* tptp_equal *), ts))])) = |
42968
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|
292 |
space_implode (" " ^ tptp_not_infix ^ tptp_equal ^ " ") |
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|
293 |
(map (string_for_term format) ts) |
44235
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|
294 |
|> is_format_thf format ? enclose "(" ")" |
42722 | 295 |
| string_for_formula format (AConn (c, [phi])) = |
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|
296 |
string_for_connective c ^ " " ^ |
44235
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|
297 |
(string_for_formula format phi |> is_format_thf format ? enclose "(" ")") |
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|
298 |
|> enclose "(" ")" |
42722 | 299 |
| string_for_formula format (AConn (c, phis)) = |
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|
300 |
space_implode (" " ^ string_for_connective c ^ " ") |
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|
301 |
(map (string_for_formula format) phis) |
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|
302 |
|> enclose "(" ")" |
42962
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|
303 |
| string_for_formula format (AAtom tm) = string_for_term format tm |
37961
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|
304 |
|
43692 | 305 |
fun the_source (SOME source) = source |
306 |
| the_source NONE = |
|
307 |
ATerm ("inference", |
|
308 |
ATerm ("isabelle", []) :: replicate 2 (ATerm ("[]", []))) |
|
42639 | 309 |
|
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|
310 |
fun string_for_format CNF = tptp_cnf |
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|
311 |
| string_for_format CNF_UEQ = tptp_cnf |
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|
312 |
| string_for_format FOF = tptp_fof |
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|
313 |
| string_for_format TFF = tptp_tff |
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|
314 |
| string_for_format (THF _) = tptp_thf |
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changeset
|
315 |
|
42963 | 316 |
fun string_for_problem_line format (Decl (ident, sym, ty)) = |
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|
317 |
string_for_format format ^ "(" ^ ident ^ ", type,\n " ^ sym ^ " : " ^ |
42963 | 318 |
string_for_type format ty ^ ").\n" |
42939 | 319 |
| string_for_problem_line format (Formula (ident, kind, phi, source, info)) = |
42962
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changeset
|
320 |
string_for_format format ^ "(" ^ ident ^ ", " ^ string_for_kind kind ^ |
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changeset
|
321 |
",\n (" ^ string_for_formula format phi ^ ")" ^ |
42939 | 322 |
(case (source, info) of |
42709
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changeset
|
323 |
(NONE, NONE) => "" |
42962
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|
324 |
| (SOME tm, NONE) => ", " ^ string_for_term format tm |
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|
325 |
| (_, SOME tm) => |
43692 | 326 |
", " ^ string_for_term format (the_source source) ^ |
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changeset
|
327 |
", " ^ string_for_term format tm) ^ ").\n" |
43224 | 328 |
fun tptp_lines_for_atp_problem format problem = |
37643
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|
329 |
"% This file was generated by Isabelle (most likely Sledgehammer)\n\ |
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|
330 |
\% " ^ timestamp () ^ "\n" :: |
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|
331 |
maps (fn (_, []) => [] |
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changeset
|
332 |
| (heading, lines) => |
41491 | 333 |
"\n% " ^ heading ^ " (" ^ string_of_int (length lines) ^ ")\n" :: |
42709
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parents:
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diff
changeset
|
334 |
map (string_for_problem_line format) lines) |
38631
979a0b37f981
prefer TPTP "conjecture" tag to "hypothesis" on ATPs where this is possible;
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parents:
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diff
changeset
|
335 |
problem |
37643
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diff
changeset
|
336 |
|
42939 | 337 |
|
43098
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changeset
|
338 |
(** CNF (Metis) and CNF UEQ (Waldmeister) **) |
42939 | 339 |
|
340 |
fun is_problem_line_negated (Formula (_, _, AConn (ANot, _), _, _)) = true |
|
341 |
| is_problem_line_negated _ = false |
|
342 |
||
43193
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
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parents:
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diff
changeset
|
343 |
fun is_problem_line_cnf_ueq (Formula (_, _, AAtom (ATerm ((s, _), _)), _, _)) = |
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diff
changeset
|
344 |
is_tptp_equal s |
42939 | 345 |
| is_problem_line_cnf_ueq _ = false |
346 |
||
42944
9e620869a576
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parents:
42942
diff
changeset
|
347 |
fun open_conjecture_term (ATerm ((s, s'), tms)) = |
43676
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
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diff
changeset
|
348 |
ATerm (if is_tptp_variable s then (s |> Name.desymbolize false, s') |
3b0b448b4d69
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diff
changeset
|
349 |
else (s, s'), tms |> map open_conjecture_term) |
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
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diff
changeset
|
350 |
| open_conjecture_term _ = raise Fail "unexpected higher-order term" |
43098
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changeset
|
351 |
fun open_formula conj = |
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changeset
|
352 |
let |
43193
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
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parents:
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diff
changeset
|
353 |
(* We are conveniently assuming that all bound variable names are |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
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parents:
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diff
changeset
|
354 |
distinct, which should be the case for the formulas we generate. *) |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
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parents:
43163
diff
changeset
|
355 |
fun opn (pos as SOME true) (AQuant (AForall, _, phi)) = opn pos phi |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
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parents:
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diff
changeset
|
356 |
| opn (pos as SOME false) (AQuant (AExists, _, phi)) = opn pos phi |
43098
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diff
changeset
|
357 |
| opn pos (AConn (ANot, [phi])) = mk_anot (opn (Option.map not pos) phi) |
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diff
changeset
|
358 |
| opn pos (AConn (c, [phi1, phi2])) = |
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diff
changeset
|
359 |
let val (pos1, pos2) = polarities_of_conn pos c in |
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diff
changeset
|
360 |
AConn (c, [opn pos1 phi1, opn pos2 phi2]) |
e88e974c4846
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diff
changeset
|
361 |
end |
e88e974c4846
proper handling of type variable classes in new Metis
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parents:
43092
diff
changeset
|
362 |
| opn _ (AAtom t) = AAtom (t |> conj ? open_conjecture_term) |
43422
dcbedaf6f80c
added missing case in pattern matching -- solves Waldmeister "Match" exceptions that have been plaguing some users
blanchet
parents:
43295
diff
changeset
|
363 |
| opn _ phi = phi |
43098
e88e974c4846
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parents:
43092
diff
changeset
|
364 |
in opn (SOME (not conj)) end |
42944
9e620869a576
improved Waldmeister support -- even run it by default on unit equational goals
blanchet
parents:
42942
diff
changeset
|
365 |
fun open_formula_line (Formula (ident, kind, phi, source, info)) = |
9e620869a576
improved Waldmeister support -- even run it by default on unit equational goals
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parents:
42942
diff
changeset
|
366 |
Formula (ident, kind, open_formula (kind = Conjecture) phi, source, info) |
9e620869a576
improved Waldmeister support -- even run it by default on unit equational goals
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parents:
42942
diff
changeset
|
367 |
| open_formula_line line = line |
42939 | 368 |
|
369 |
fun negate_conjecture_line (Formula (ident, Conjecture, phi, source, info)) = |
|
42942 | 370 |
Formula (ident, Hypothesis, mk_anot phi, source, info) |
42939 | 371 |
| negate_conjecture_line line = line |
372 |
||
43098
e88e974c4846
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parents:
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diff
changeset
|
373 |
exception CLAUSIFY of unit |
e88e974c4846
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parents:
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diff
changeset
|
374 |
|
43126
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
375 |
(* This "clausification" only expands syntactic sugar, such as "phi => psi" to |
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
376 |
"~ phi | psi" and "phi <=> psi" to "~ phi | psi" and "~ psi | phi". We don't |
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
377 |
attempt to distribute conjunctions over disjunctions. *) |
43193
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
378 |
fun clausify_formula pos (phi as AAtom _) = [phi |> not pos ? mk_anot] |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
379 |
| clausify_formula pos (AConn (ANot, [phi])) = clausify_formula (not pos) phi |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
380 |
| clausify_formula true (AConn (AOr, [phi1, phi2])) = |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
381 |
(phi1, phi2) |> pairself (clausify_formula true) |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
382 |
|> uncurry (map_product (mk_aconn AOr)) |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
383 |
| clausify_formula false (AConn (AAnd, [phi1, phi2])) = |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
384 |
(phi1, phi2) |> pairself (clausify_formula false) |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
385 |
|> uncurry (map_product (mk_aconn AOr)) |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
386 |
| clausify_formula true (AConn (AImplies, [phi1, phi2])) = |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
387 |
clausify_formula true (AConn (AOr, [mk_anot phi1, phi2])) |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
388 |
| clausify_formula true (AConn (AIff, phis)) = |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
389 |
clausify_formula true (AConn (AImplies, phis)) @ |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
390 |
clausify_formula true (AConn (AImplies, rev phis)) |
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43163
diff
changeset
|
391 |
| clausify_formula _ _ = raise CLAUSIFY () |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43092
diff
changeset
|
392 |
|
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43092
diff
changeset
|
393 |
fun clausify_formula_line (Formula (ident, kind, phi, source, info)) = |
43126
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
394 |
let |
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
395 |
val (n, phis) = phi |> try (clausify_formula true) |> these |> `length |
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
396 |
in |
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
397 |
map2 (fn phi => fn j => |
43295
30aaab778416
pass Metis facts and negated conjecture as facts, with (almost) correctly set localities, so that the correct encoding is used for nonmonotonic occurrences of infinite types
blanchet
parents:
43224
diff
changeset
|
398 |
Formula (ident ^ replicate_string (j - 1) "x", kind, phi, source, |
30aaab778416
pass Metis facts and negated conjecture as facts, with (almost) correctly set localities, so that the correct encoding is used for nonmonotonic occurrences of infinite types
blanchet
parents:
43224
diff
changeset
|
399 |
info)) |
43126
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
400 |
phis (1 upto n) |
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
401 |
end |
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
402 |
| clausify_formula_line _ = [] |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43092
diff
changeset
|
403 |
|
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43092
diff
changeset
|
404 |
fun ensure_cnf_problem_line line = |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43092
diff
changeset
|
405 |
line |> open_formula_line |> negate_conjecture_line |> clausify_formula_line |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43092
diff
changeset
|
406 |
|
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43092
diff
changeset
|
407 |
fun ensure_cnf_problem problem = |
43126
a7db0afd5200
clausify "<=>" (needed for some type information)
blanchet
parents:
43098
diff
changeset
|
408 |
problem |> map (apsnd (maps ensure_cnf_problem_line)) |
43092
93ec303e1917
more work on new metis that exploits the powerful new type encodings
blanchet
parents:
43085
diff
changeset
|
409 |
|
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42961
diff
changeset
|
410 |
fun filter_cnf_ueq_problem problem = |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42961
diff
changeset
|
411 |
problem |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42961
diff
changeset
|
412 |
|> map (apsnd (map open_formula_line |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42961
diff
changeset
|
413 |
#> filter is_problem_line_cnf_ueq |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42961
diff
changeset
|
414 |
#> map negate_conjecture_line)) |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42961
diff
changeset
|
415 |
|> (fn problem => |
42939 | 416 |
let |
43824
0234156d3fbe
don't generate Waldmeister problems with only a conjecture, since it makes it crash sometimes
blanchet
parents:
43692
diff
changeset
|
417 |
val lines = problem |> maps snd |
0234156d3fbe
don't generate Waldmeister problems with only a conjecture, since it makes it crash sometimes
blanchet
parents:
43692
diff
changeset
|
418 |
val conjs = lines |> filter is_problem_line_negated |
0234156d3fbe
don't generate Waldmeister problems with only a conjecture, since it makes it crash sometimes
blanchet
parents:
43692
diff
changeset
|
419 |
in if length conjs = 1 andalso conjs <> lines then problem else [] end) |
38017
3ad3e3ca2451
move Sledgehammer-specific code out of "Sledgehammer_TPTP_Format"
blanchet
parents:
38014
diff
changeset
|
420 |
|
37643
f576af716aa6
rewrote the TPTP problem generation code more or less from scratch;
blanchet
parents:
37642
diff
changeset
|
421 |
|
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
422 |
(** Symbol declarations **) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
423 |
|
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
424 |
(* TFF allows implicit declarations of types, function symbols, and predicate |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
425 |
symbols (with "$i" as the type of individuals), but some provers (e.g., |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
426 |
SNARK) require explicit declarations. The situation is similar for THF. *) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
427 |
|
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
428 |
val atype_of_types = AType (`I tptp_type_of_types) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
429 |
val bool_atype = AType (`I tptp_bool_type) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
430 |
val individual_atype = AType (`I tptp_individual_type) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
431 |
|
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
432 |
fun default_type pred_sym = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
433 |
let |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
434 |
fun typ 0 = if pred_sym then bool_atype else individual_atype |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
435 |
| typ ary = AFun (individual_atype, typ (ary - 1)) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
436 |
in typ end |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
437 |
|
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
438 |
fun add_declared_syms_in_problem_line (Decl (_, sym, _)) = insert (op =) sym |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
439 |
| add_declared_syms_in_problem_line _ = I |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
440 |
fun declared_syms_in_problem problem = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
441 |
fold (fold add_declared_syms_in_problem_line o snd) problem [] |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
442 |
|
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
443 |
fun undeclared_syms_in_problem declared problem = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
444 |
let |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
445 |
fun do_sym name ty = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
446 |
if member (op =) declared name then I else AList.default (op =) (name, ty) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
447 |
fun do_type (AFun (ty1, ty2)) = fold do_type [ty1, ty2] |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
448 |
| do_type (AType name) = do_sym name (K atype_of_types) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
449 |
fun do_term pred_sym (ATerm (name as (s, _), tms)) = |
43676
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
43422
diff
changeset
|
450 |
is_tptp_user_symbol s |
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
43422
diff
changeset
|
451 |
? do_sym name (fn _ => default_type pred_sym (length tms)) |
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
43422
diff
changeset
|
452 |
#> fold (do_term false) tms |
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
43422
diff
changeset
|
453 |
| do_term _ (AAbs ((_, ty), tm)) = do_type ty #> do_term false tm |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
454 |
fun do_formula (AQuant (_, xs, phi)) = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
455 |
fold do_type (map_filter snd xs) #> do_formula phi |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
456 |
| do_formula (AConn (_, phis)) = fold do_formula phis |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
457 |
| do_formula (AAtom tm) = do_term true tm |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
458 |
fun do_problem_line (Decl (_, _, ty)) = do_type ty |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
459 |
| do_problem_line (Formula (_, _, phi, _, _)) = do_formula phi |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
460 |
in |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
461 |
fold (fold do_problem_line o snd) problem [] |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
462 |
|> filter_out (is_built_in_tptp_symbol o fst o fst) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
463 |
end |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
464 |
|
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
465 |
fun declare_undeclared_syms_in_atp_problem prefix heading problem = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
466 |
let |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
467 |
fun decl_line (x as (s, _), ty) = Decl (prefix ^ s, x, ty ()) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
468 |
val declared = problem |> declared_syms_in_problem |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
469 |
val decls = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
470 |
problem |> undeclared_syms_in_problem declared |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
471 |
|> sort_wrt (fst o fst) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
472 |
|> map decl_line |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
473 |
in (heading, decls) :: problem end |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
474 |
|
37643
f576af716aa6
rewrote the TPTP problem generation code more or less from scratch;
blanchet
parents:
37642
diff
changeset
|
475 |
(** Nice names **) |
f576af716aa6
rewrote the TPTP problem generation code more or less from scratch;
blanchet
parents:
37642
diff
changeset
|
476 |
|
37624 | 477 |
fun empty_name_pool readable_names = |
37643
f576af716aa6
rewrote the TPTP problem generation code more or less from scratch;
blanchet
parents:
37642
diff
changeset
|
478 |
if readable_names then SOME (Symtab.empty, Symtab.empty) else NONE |
37624 | 479 |
|
480 |
fun pool_fold f xs z = pair z #> fold_rev (fn x => uncurry (f x)) xs |
|
481 |
fun pool_map f xs = |
|
482 |
pool_fold (fn x => fn ys => fn pool => f x pool |>> (fn y => y :: ys)) xs [] |
|
483 |
||
42227
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
484 |
val no_qualifiers = |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
485 |
let |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
486 |
fun skip [] = [] |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
487 |
| skip (#"." :: cs) = skip cs |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
488 |
| skip (c :: cs) = if Char.isAlphaNum c then skip cs else c :: keep cs |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
489 |
and keep [] = [] |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
490 |
| keep (#"." :: cs) = skip cs |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
491 |
| keep (c :: cs) = c :: keep cs |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
492 |
in String.explode #> rev #> keep #> rev #> String.implode end |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
41769
diff
changeset
|
493 |
|
42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42752
diff
changeset
|
494 |
(* Long names can slow down the ATPs. *) |
42724
4d6bcf846759
added "max_mono_instances" option to Sledgehammer and renamed old "monomorphize_limit" option
blanchet
parents:
42722
diff
changeset
|
495 |
val max_readable_name_size = 20 |
42567
d012947edd36
shorten readable names -- they can get really long with monomorphization, which actually slows down the ATPs
blanchet
parents:
42543
diff
changeset
|
496 |
|
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
497 |
(* "equal" is reserved by some ATPs. "op" is also reserved, to avoid the |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
498 |
unreadable "op_1", "op_2", etc., in the problem files. "eq" is reserved to |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
499 |
ensure that "HOL.eq" is correctly mapped to equality (not clear whether this |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
500 |
is still necessary). *) |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
501 |
val reserved_nice_names = [tptp_old_equal, "op", "eq"] |
42939 | 502 |
|
37624 | 503 |
fun readable_name full_name s = |
37643
f576af716aa6
rewrote the TPTP problem generation code more or less from scratch;
blanchet
parents:
37642
diff
changeset
|
504 |
if s = full_name then |
f576af716aa6
rewrote the TPTP problem generation code more or less from scratch;
blanchet
parents:
37642
diff
changeset
|
505 |
s |
f576af716aa6
rewrote the TPTP problem generation code more or less from scratch;
blanchet
parents:
37642
diff
changeset
|
506 |
else |
42567
d012947edd36
shorten readable names -- they can get really long with monomorphization, which actually slows down the ATPs
blanchet
parents:
42543
diff
changeset
|
507 |
s |> no_qualifiers |
44407 | 508 |
|> perhaps (try (unprefix "'")) |
42567
d012947edd36
shorten readable names -- they can get really long with monomorphization, which actually slows down the ATPs
blanchet
parents:
42543
diff
changeset
|
509 |
|> Name.desymbolize (Char.isUpper (String.sub (full_name, 0))) |
42583
84b134118616
avoid trailing digits for SNARK (type) names -- grr...
blanchet
parents:
42577
diff
changeset
|
510 |
|> (fn s => |
42659 | 511 |
if size s > max_readable_name_size then |
512 |
String.substring (s, 0, max_readable_name_size div 2 - 4) ^ |
|
43827
62d64709af3b
added option to control which lambda translation to use (for experiments)
blanchet
parents:
43824
diff
changeset
|
513 |
string_of_int (hash_string full_name) ^ |
42659 | 514 |
String.extract (s, size s - max_readable_name_size div 2 + 4, |
515 |
NONE) |
|
42583
84b134118616
avoid trailing digits for SNARK (type) names -- grr...
blanchet
parents:
42577
diff
changeset
|
516 |
else |
84b134118616
avoid trailing digits for SNARK (type) names -- grr...
blanchet
parents:
42577
diff
changeset
|
517 |
s) |
42567
d012947edd36
shorten readable names -- they can get really long with monomorphization, which actually slows down the ATPs
blanchet
parents:
42543
diff
changeset
|
518 |
|> (fn s => if member (op =) reserved_nice_names s then full_name else s) |
37624 | 519 |
|
520 |
fun nice_name (full_name, _) NONE = (full_name, NONE) |
|
521 |
| nice_name (full_name, desired_name) (SOME the_pool) = |
|
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
522 |
if is_built_in_tptp_symbol full_name then |
39384 | 523 |
(full_name, SOME the_pool) |
524 |
else case Symtab.lookup (fst the_pool) full_name of |
|
37624 | 525 |
SOME nice_name => (nice_name, SOME the_pool) |
526 |
| NONE => |
|
527 |
let |
|
528 |
val nice_prefix = readable_name full_name desired_name |
|
529 |
fun add j = |
|
530 |
let |
|
42644 | 531 |
val nice_name = |
44407 | 532 |
nice_prefix ^ (if j = 0 then "" else string_of_int j) |
37624 | 533 |
in |
534 |
case Symtab.lookup (snd the_pool) nice_name of |
|
535 |
SOME full_name' => |
|
536 |
if full_name = full_name' then (nice_name, the_pool) |
|
537 |
else add (j + 1) |
|
538 |
| NONE => |
|
539 |
(nice_name, |
|
540 |
(Symtab.update_new (full_name, nice_name) (fst the_pool), |
|
541 |
Symtab.update_new (nice_name, full_name) (snd the_pool))) |
|
542 |
end |
|
543 |
in add 0 |> apsnd SOME end |
|
544 |
||
42963 | 545 |
fun nice_type (AType name) = nice_name name #>> AType |
546 |
| nice_type (AFun (ty1, ty2)) = nice_type ty1 ##>> nice_type ty2 #>> AFun |
|
43676
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
43422
diff
changeset
|
547 |
fun nice_term (ATerm (name, ts)) = |
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
43422
diff
changeset
|
548 |
nice_name name ##>> pool_map nice_term ts #>> ATerm |
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
43422
diff
changeset
|
549 |
| nice_term (AAbs ((name, ty), tm)) = |
3b0b448b4d69
add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)
nik
parents:
43422
diff
changeset
|
550 |
nice_name name ##>> nice_type ty ##>> nice_term tm #>> AAbs |
37961
6a48c85a211a
first step in using "fof" rather than "cnf" in TPTP problems
blanchet
parents:
37931
diff
changeset
|
551 |
fun nice_formula (AQuant (q, xs, phi)) = |
42526 | 552 |
pool_map nice_name (map fst xs) |
553 |
##>> pool_map (fn NONE => pair NONE |
|
42963 | 554 |
| SOME ty => nice_type ty #>> SOME) (map snd xs) |
42526 | 555 |
##>> nice_formula phi |
556 |
#>> (fn ((ss, ts), phi) => AQuant (q, ss ~~ ts, phi)) |
|
37961
6a48c85a211a
first step in using "fof" rather than "cnf" in TPTP problems
blanchet
parents:
37931
diff
changeset
|
557 |
| nice_formula (AConn (c, phis)) = |
6a48c85a211a
first step in using "fof" rather than "cnf" in TPTP problems
blanchet
parents:
37931
diff
changeset
|
558 |
pool_map nice_formula phis #>> curry AConn c |
38034 | 559 |
| nice_formula (AAtom tm) = nice_term tm #>> AAtom |
42963 | 560 |
fun nice_problem_line (Decl (ident, sym, ty)) = |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
561 |
nice_name sym ##>> nice_type ty #>> (fn (sym, ty) => Decl (ident, sym, ty)) |
42939 | 562 |
| nice_problem_line (Formula (ident, kind, phi, source, info)) = |
563 |
nice_formula phi #>> (fn phi => Formula (ident, kind, phi, source, info)) |
|
37931 | 564 |
fun nice_problem problem = |
37643
f576af716aa6
rewrote the TPTP problem generation code more or less from scratch;
blanchet
parents:
37642
diff
changeset
|
565 |
pool_map (fn (heading, lines) => |
37931 | 566 |
pool_map nice_problem_line lines #>> pair heading) problem |
39452 | 567 |
fun nice_atp_problem readable_names problem = |
38017
3ad3e3ca2451
move Sledgehammer-specific code out of "Sledgehammer_TPTP_Format"
blanchet
parents:
38014
diff
changeset
|
568 |
nice_problem problem (empty_name_pool readable_names) |
37509
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
diff
changeset
|
569 |
|
f39464d971c4
factor out TPTP format output into file of its own, to facilitate further changes
blanchet
parents:
diff
changeset
|
570 |
end; |