author | blanchet |
Mon, 06 Jun 2011 20:36:34 +0200 | |
changeset 43159 | 29b55f292e0b |
parent 43139 | 9ed5d8ad8fa0 |
child 43167 | 839f599bc7ed |
permissions | -rw-r--r-- |
40114 | 1 |
(* Title: HOL/Tools/Sledgehammer/sledgehammer_atp_translate.ML |
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Author: Fabian Immler, TU Muenchen |
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Author: Makarius |
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Author: Jasmin Blanchette, TU Muenchen |
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Translation of HOL to FOL for Sledgehammer. |
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*) |
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signature ATP_TRANSLATE = |
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sig |
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type 'a fo_term = 'a ATP_Problem.fo_term |
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type connective = ATP_Problem.connective |
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type ('a, 'b, 'c) formula = ('a, 'b, 'c) ATP_Problem.formula |
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type format = ATP_Problem.format |
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type formula_kind = ATP_Problem.formula_kind |
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type 'a problem = 'a ATP_Problem.problem |
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type name = string * string |
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datatype type_literal = |
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TyLitVar of name * name | |
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TyLitFree of name * name |
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datatype arity_literal = |
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TConsLit of name * name * name list | |
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TVarLit of name * name |
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type arity_clause = |
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{name: string, |
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prem_lits: arity_literal list, |
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concl_lits: arity_literal} |
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type class_rel_clause = |
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{name: string, |
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subclass: name, |
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superclass: name} |
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datatype combterm = |
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CombConst of name * typ * typ list | |
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CombVar of name * typ | |
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CombApp of combterm * combterm |
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datatype locality = General | Intro | Elim | Simp | Local | Assum | Chained |
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datatype polymorphism = Polymorphic | Monomorphic | Mangled_Monomorphic |
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datatype type_level = |
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All_Types | Nonmonotonic_Types | Finite_Types | Const_Arg_Types | No_Types |
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datatype type_heaviness = Heavyweight | Lightweight |
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datatype type_sys = |
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Simple_Types of type_level | |
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Preds of polymorphism * type_level * type_heaviness | |
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Tags of polymorphism * type_level * type_heaviness |
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type translated_formula |
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val bound_var_prefix : string |
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val schematic_var_prefix: string |
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val fixed_var_prefix: string |
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val tvar_prefix: string |
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val tfree_prefix: string |
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val const_prefix: string |
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val type_const_prefix: string |
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val class_prefix: string |
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val skolem_const_prefix : string |
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val old_skolem_const_prefix : string |
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val new_skolem_const_prefix : string |
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val type_decl_prefix : string |
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val sym_decl_prefix : string |
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val preds_sym_formula_prefix : string |
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val lightweight_tags_sym_formula_prefix : string |
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val fact_prefix : string |
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val conjecture_prefix : string |
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val helper_prefix : string |
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val class_rel_clause_prefix : string |
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val arity_clause_prefix : string |
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val tfree_clause_prefix : string |
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val typed_helper_suffix : string |
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val untyped_helper_suffix : string |
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val type_tag_idempotence_helper_name : string |
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val predicator_name : string |
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val app_op_name : string |
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val type_tag_name : string |
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val type_pred_name : string |
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val simple_type_prefix : string |
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val prefixed_app_op_name : string |
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val prefixed_type_tag_name : string |
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val ascii_of: string -> string |
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val unascii_of: string -> string |
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val strip_prefix_and_unascii : string -> string -> string option |
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val proxy_table : (string * (string * (thm * (string * string)))) list |
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val proxify_const : string -> (string * string) option |
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val invert_const: string -> string |
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val unproxify_const: string -> string |
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val make_bound_var : string -> string |
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val make_schematic_var : string * int -> string |
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val make_fixed_var : string -> string |
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val make_schematic_type_var : string * int -> string |
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val make_fixed_type_var : string -> string |
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val make_fixed_const : string -> string |
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val make_fixed_type_const : string -> string |
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val make_type_class : string -> string |
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val new_skolem_var_name_from_const : string -> string |
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val num_type_args : theory -> string -> int |
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val make_arity_clauses : |
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theory -> string list -> class list -> class list * arity_clause list |
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val make_class_rel_clauses : |
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theory -> class list -> class list -> class_rel_clause list |
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val combtyp_of : combterm -> typ |
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val strip_combterm_comb : combterm -> combterm * combterm list |
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val atyps_of : typ -> typ list |
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val combterm_from_term : |
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theory -> (string * typ) list -> term -> combterm * typ list |
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val is_locality_global : locality -> bool |
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val type_sys_from_string : string -> type_sys |
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val polymorphism_of_type_sys : type_sys -> polymorphism |
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val level_of_type_sys : type_sys -> type_level |
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val is_type_sys_virtually_sound : type_sys -> bool |
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val is_type_sys_fairly_sound : type_sys -> bool |
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val choose_format : format list -> type_sys -> format * type_sys |
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val raw_type_literals_for_types : typ list -> type_literal list |
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val mk_aconns : |
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connective -> ('a, 'b, 'c) formula list -> ('a, 'b, 'c) formula |
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val unmangled_const_name : string -> string |
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val unmangled_const : string -> string * string fo_term list |
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val translate_atp_fact : |
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Proof.context -> format -> type_sys -> bool -> (string * locality) * thm |
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-> translated_formula option * ((string * locality) * thm) |
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val helper_table : (string * (bool * thm list)) list |
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val should_specialize_helper : type_sys -> term -> bool |
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val tfree_classes_of_terms : term list -> string list |
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val tvar_classes_of_terms : term list -> string list |
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val type_consts_of_terms : theory -> term list -> string list |
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val prepare_atp_problem : |
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Proof.context -> format -> formula_kind -> formula_kind -> type_sys |
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-> bool option -> bool -> bool -> term list -> term |
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-> (translated_formula option * ((string * 'a) * thm)) list |
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-> string problem * string Symtab.table * int * int |
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* (string * 'a) list vector * int list * int Symtab.table |
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val atp_problem_weights : string problem -> (string * real) list |
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end; |
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142 |
|
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structure ATP_Translate : ATP_TRANSLATE = |
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144 |
struct |
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145 |
|
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146 |
open ATP_Util |
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open ATP_Problem |
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148 |
|
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149 |
type name = string * string |
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150 |
|
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151 |
(* FIXME: avoid *) |
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fun union_all xss = fold (union (op =)) xss [] |
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153 |
|
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(* experimental *) |
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val generate_useful_info = false |
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156 |
|
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fun useful_isabelle_info s = |
158 |
if generate_useful_info then |
|
159 |
SOME (ATerm ("[]", [ATerm ("isabelle_" ^ s, [])])) |
|
160 |
else |
|
161 |
NONE |
|
162 |
||
163 |
val intro_info = useful_isabelle_info "intro" |
|
164 |
val elim_info = useful_isabelle_info "elim" |
|
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val simp_info = useful_isabelle_info "simp" |
|
166 |
||
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val bound_var_prefix = "B_" |
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val schematic_var_prefix = "V_" |
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val fixed_var_prefix = "v_" |
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170 |
|
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val tvar_prefix = "T_" |
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val tfree_prefix = "t_" |
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173 |
|
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val const_prefix = "c_" |
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val type_const_prefix = "tc_" |
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val class_prefix = "cl_" |
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177 |
|
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val skolem_const_prefix = "Sledgehammer" ^ Long_Name.separator ^ "Sko" |
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val old_skolem_const_prefix = skolem_const_prefix ^ "o" |
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val new_skolem_const_prefix = skolem_const_prefix ^ "n" |
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181 |
|
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val type_decl_prefix = "ty_" |
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val sym_decl_prefix = "sy_" |
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val preds_sym_formula_prefix = "psy_" |
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val lightweight_tags_sym_formula_prefix = "tsy_" |
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186 |
val fact_prefix = "fact_" |
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187 |
val conjecture_prefix = "conj_" |
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val helper_prefix = "help_" |
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val class_rel_clause_prefix = "clar_" |
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val arity_clause_prefix = "arity_" |
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val tfree_clause_prefix = "tfree_" |
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192 |
|
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val typed_helper_suffix = "_T" |
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val untyped_helper_suffix = "_U" |
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val type_tag_idempotence_helper_name = helper_prefix ^ "ti_idem" |
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196 |
|
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val predicator_name = "hBOOL" |
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198 |
val app_op_name = "hAPP" |
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val type_tag_name = "ti" |
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val type_pred_name = "is" |
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201 |
val simple_type_prefix = "ty_" |
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|
202 |
|
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203 |
val prefixed_app_op_name = const_prefix ^ app_op_name |
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204 |
val prefixed_type_tag_name = const_prefix ^ type_tag_name |
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205 |
|
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206 |
(* Freshness almost guaranteed! *) |
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207 |
val sledgehammer_weak_prefix = "Sledgehammer:" |
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208 |
|
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209 |
(*Escaping of special characters. |
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210 |
Alphanumeric characters are left unchanged. |
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211 |
The character _ goes to __ |
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212 |
Characters in the range ASCII space to / go to _A to _P, respectively. |
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213 |
Other characters go to _nnn where nnn is the decimal ASCII code.*) |
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val upper_a_minus_space = Char.ord #"A" - Char.ord #" " |
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215 |
|
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216 |
fun stringN_of_int 0 _ = "" |
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217 |
| stringN_of_int k n = |
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218 |
stringN_of_int (k - 1) (n div 10) ^ string_of_int (n mod 10) |
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219 |
|
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220 |
fun ascii_of_char c = |
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221 |
if Char.isAlphaNum c then |
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222 |
String.str c |
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223 |
else if c = #"_" then |
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224 |
"__" |
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225 |
else if #" " <= c andalso c <= #"/" then |
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226 |
"_" ^ String.str (Char.chr (Char.ord c + upper_a_minus_space)) |
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227 |
else |
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228 |
(* fixed width, in case more digits follow *) |
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229 |
"_" ^ stringN_of_int 3 (Char.ord c) |
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230 |
|
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231 |
val ascii_of = String.translate ascii_of_char |
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232 |
|
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|
233 |
(** Remove ASCII armoring from names in proof files **) |
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|
234 |
|
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235 |
(* We don't raise error exceptions because this code can run inside a worker |
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|
236 |
thread. Also, the errors are impossible. *) |
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237 |
val unascii_of = |
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238 |
let |
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239 |
fun un rcs [] = String.implode(rev rcs) |
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240 |
| un rcs [#"_"] = un (#"_" :: rcs) [] (* ERROR *) |
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241 |
(* Three types of _ escapes: __, _A to _P, _nnn *) |
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242 |
| un rcs (#"_" :: #"_" :: cs) = un (#"_"::rcs) cs |
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243 |
| un rcs (#"_" :: c :: cs) = |
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244 |
if #"A" <= c andalso c<= #"P" then |
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245 |
(* translation of #" " to #"/" *) |
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246 |
un (Char.chr (Char.ord c - upper_a_minus_space) :: rcs) cs |
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247 |
else |
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248 |
let val digits = List.take (c::cs, 3) handle Subscript => [] in |
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249 |
case Int.fromString (String.implode digits) of |
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250 |
SOME n => un (Char.chr n :: rcs) (List.drop (cs, 2)) |
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251 |
| NONE => un (c:: #"_"::rcs) cs (* ERROR *) |
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252 |
end |
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253 |
| un rcs (c :: cs) = un (c :: rcs) cs |
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254 |
in un [] o String.explode end |
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255 |
|
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256 |
(* If string s has the prefix s1, return the result of deleting it, |
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un-ASCII'd. *) |
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258 |
fun strip_prefix_and_unascii s1 s = |
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259 |
if String.isPrefix s1 s then |
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260 |
SOME (unascii_of (String.extract (s, size s1, NONE))) |
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261 |
else |
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262 |
NONE |
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263 |
|
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264 |
val proxy_table = |
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265 |
[("c_False", (@{const_name False}, (@{thm fFalse_def}, |
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266 |
("fFalse", @{const_name ATP.fFalse})))), |
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("c_True", (@{const_name True}, (@{thm fTrue_def}, |
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("fTrue", @{const_name ATP.fTrue})))), |
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("c_Not", (@{const_name Not}, (@{thm fNot_def}, |
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("fNot", @{const_name ATP.fNot})))), |
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("c_conj", (@{const_name conj}, (@{thm fconj_def}, |
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("fconj", @{const_name ATP.fconj})))), |
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("c_disj", (@{const_name disj}, (@{thm fdisj_def}, |
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("fdisj", @{const_name ATP.fdisj})))), |
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("c_implies", (@{const_name implies}, (@{thm fimplies_def}, |
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("fimplies", @{const_name ATP.fimplies})))), |
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("equal", (@{const_name HOL.eq}, (@{thm fequal_def}, |
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("fequal", @{const_name ATP.fequal}))))] |
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279 |
|
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val proxify_const = AList.lookup (op =) proxy_table #> Option.map (snd o snd) |
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281 |
|
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(* Readable names for the more common symbolic functions. Do not mess with the |
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table unless you know what you are doing. *) |
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val const_trans_table = |
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[(@{type_name Product_Type.prod}, "prod"), |
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(@{type_name Sum_Type.sum}, "sum"), |
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(@{const_name False}, "False"), |
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(@{const_name True}, "True"), |
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(@{const_name Not}, "Not"), |
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(@{const_name conj}, "conj"), |
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(@{const_name disj}, "disj"), |
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(@{const_name implies}, "implies"), |
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(@{const_name HOL.eq}, "equal"), |
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(@{const_name If}, "If"), |
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(@{const_name Set.member}, "member"), |
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(@{const_name Meson.COMBI}, "COMBI"), |
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(@{const_name Meson.COMBK}, "COMBK"), |
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(@{const_name Meson.COMBB}, "COMBB"), |
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(@{const_name Meson.COMBC}, "COMBC"), |
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(@{const_name Meson.COMBS}, "COMBS")] |
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|> Symtab.make |
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|> fold (Symtab.update o swap o snd o snd o snd) proxy_table |
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303 |
|
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(* Invert the table of translations between Isabelle and ATPs. *) |
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val const_trans_table_inv = |
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const_trans_table |> Symtab.dest |> map swap |> Symtab.make |
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val const_trans_table_unprox = |
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Symtab.empty |
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|> fold (fn (_, (isa, (_, (_, atp)))) => Symtab.update (atp, isa)) proxy_table |
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310 |
|
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val invert_const = perhaps (Symtab.lookup const_trans_table_inv) |
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val unproxify_const = perhaps (Symtab.lookup const_trans_table_unprox) |
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313 |
|
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fun lookup_const c = |
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case Symtab.lookup const_trans_table c of |
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SOME c' => c' |
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| NONE => ascii_of c |
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318 |
|
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(*Remove the initial ' character from a type variable, if it is present*) |
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fun trim_type_var s = |
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if s <> "" andalso String.sub(s,0) = #"'" then String.extract(s,1,NONE) |
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else raise Fail ("trim_type: Malformed type variable encountered: " ^ s) |
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323 |
|
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fun ascii_of_indexname (v,0) = ascii_of v |
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| ascii_of_indexname (v,i) = ascii_of v ^ "_" ^ string_of_int i |
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326 |
|
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fun make_bound_var x = bound_var_prefix ^ ascii_of x |
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fun make_schematic_var v = schematic_var_prefix ^ ascii_of_indexname v |
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fun make_fixed_var x = fixed_var_prefix ^ ascii_of x |
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330 |
|
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fun make_schematic_type_var (x,i) = |
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tvar_prefix ^ (ascii_of_indexname (trim_type_var x, i)) |
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fun make_fixed_type_var x = tfree_prefix ^ (ascii_of (trim_type_var x)) |
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334 |
|
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(* HOL.eq MUST BE "equal" because it's built into ATPs. *) |
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fun make_fixed_const @{const_name HOL.eq} = "equal" |
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| make_fixed_const c = const_prefix ^ lookup_const c |
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338 |
|
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fun make_fixed_type_const c = type_const_prefix ^ lookup_const c |
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340 |
|
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fun make_type_class clas = class_prefix ^ ascii_of clas |
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43093 | 343 |
fun new_skolem_var_name_from_const s = |
344 |
let val ss = s |> space_explode Long_Name.separator in |
|
345 |
nth ss (length ss - 2) |
|
346 |
end |
|
347 |
||
348 |
(* The number of type arguments of a constant, zero if it's monomorphic. For |
|
349 |
(instances of) Skolem pseudoconstants, this information is encoded in the |
|
350 |
constant name. *) |
|
351 |
fun num_type_args thy s = |
|
352 |
if String.isPrefix skolem_const_prefix s then |
|
353 |
s |> space_explode Long_Name.separator |> List.last |> Int.fromString |> the |
|
354 |
else |
|
355 |
(s, Sign.the_const_type thy s) |> Sign.const_typargs thy |> length |
|
356 |
||
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(** Definitions and functions for FOL clauses and formulas for TPTP **) |
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358 |
|
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(* The first component is the type class; the second is a "TVar" or "TFree". *) |
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datatype type_literal = |
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TyLitVar of name * name | |
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TyLitFree of name * name |
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363 |
|
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364 |
|
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365 |
(** Isabelle arities **) |
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366 |
|
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datatype arity_literal = |
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TConsLit of name * name * name list | |
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TVarLit of name * name |
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370 |
|
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fun gen_TVars 0 = [] |
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| gen_TVars n = ("T_" ^ string_of_int n) :: gen_TVars (n-1) |
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373 |
|
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fun pack_sort (_,[]) = [] |
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| pack_sort (tvar, "HOL.type" :: srt) = |
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pack_sort (tvar, srt) (* IGNORE sort "type" *) |
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| pack_sort (tvar, cls :: srt) = |
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(`make_type_class cls, `I tvar) :: pack_sort (tvar, srt) |
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379 |
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43086 | 380 |
type arity_clause = |
381 |
{name: string, |
|
382 |
prem_lits: arity_literal list, |
|
383 |
concl_lits: arity_literal} |
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384 |
|
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385 |
(* Arity of type constructor "tcon :: (arg1, ..., argN) res" *) |
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fun make_axiom_arity_clause (tcons, name, (cls, args)) = |
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let |
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val tvars = gen_TVars (length args) |
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val tvars_srts = ListPair.zip (tvars, args) |
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390 |
in |
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{name = name, |
392 |
prem_lits = map TVarLit (union_all (map pack_sort tvars_srts)), |
|
393 |
concl_lits = TConsLit (`make_type_class cls, |
|
394 |
`make_fixed_type_const tcons, |
|
395 |
tvars ~~ tvars)} |
|
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396 |
end |
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397 |
|
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398 |
fun arity_clause _ _ (_, []) = [] |
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| arity_clause seen n (tcons, ("HOL.type",_)::ars) = (*ignore*) |
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400 |
arity_clause seen n (tcons,ars) |
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|
401 |
| arity_clause seen n (tcons, (ar as (class,_)) :: ars) = |
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|
402 |
if member (op =) seen class then (*multiple arities for the same tycon, class pair*) |
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|
403 |
make_axiom_arity_clause (tcons, lookup_const tcons ^ "_" ^ class ^ "_" ^ string_of_int n, ar) :: |
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|
404 |
arity_clause seen (n+1) (tcons,ars) |
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|
405 |
else |
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|
406 |
make_axiom_arity_clause (tcons, lookup_const tcons ^ "_" ^ class, ar) :: |
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|
407 |
arity_clause (class::seen) n (tcons,ars) |
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|
408 |
|
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|
409 |
fun multi_arity_clause [] = [] |
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|
410 |
| multi_arity_clause ((tcons, ars) :: tc_arlists) = |
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|
411 |
arity_clause [] 1 (tcons, ars) @ multi_arity_clause tc_arlists |
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|
412 |
|
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|
413 |
(*Generate all pairs (tycon,class,sorts) such that tycon belongs to class in theory thy |
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|
414 |
provided its arguments have the corresponding sorts.*) |
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|
415 |
fun type_class_pairs thy tycons classes = |
43093 | 416 |
let |
417 |
val alg = Sign.classes_of thy |
|
418 |
fun domain_sorts tycon = Sorts.mg_domain alg tycon o single |
|
419 |
fun add_class tycon class = |
|
420 |
cons (class, domain_sorts tycon class) |
|
421 |
handle Sorts.CLASS_ERROR _ => I |
|
422 |
fun try_classes tycon = (tycon, fold (add_class tycon) classes []) |
|
423 |
in map try_classes tycons end |
|
43085
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|
424 |
|
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|
425 |
(*Proving one (tycon, class) membership may require proving others, so iterate.*) |
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|
426 |
fun iter_type_class_pairs _ _ [] = ([], []) |
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|
427 |
| iter_type_class_pairs thy tycons classes = |
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|
428 |
let val cpairs = type_class_pairs thy tycons classes |
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|
429 |
val newclasses = union_all (union_all (union_all (map (map #2 o #2) cpairs))) |
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|
430 |
|> subtract (op =) classes |> subtract (op =) HOLogic.typeS |
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|
431 |
val (classes', cpairs') = iter_type_class_pairs thy tycons newclasses |
43093 | 432 |
in (union (op =) classes' classes, union (op =) cpairs' cpairs) end |
43085
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|
433 |
|
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|
434 |
fun make_arity_clauses thy tycons = |
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|
435 |
iter_type_class_pairs thy tycons ##> multi_arity_clause |
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|
436 |
|
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|
437 |
|
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|
438 |
(** Isabelle class relations **) |
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|
439 |
|
43086 | 440 |
type class_rel_clause = |
441 |
{name: string, |
|
442 |
subclass: name, |
|
443 |
superclass: name} |
|
43085
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|
444 |
|
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|
445 |
(*Generate all pairs (sub,super) such that sub is a proper subclass of super in theory thy.*) |
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|
446 |
fun class_pairs _ [] _ = [] |
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|
447 |
| class_pairs thy subs supers = |
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|
448 |
let |
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|
449 |
val class_less = Sorts.class_less (Sign.classes_of thy) |
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|
450 |
fun add_super sub super = class_less (sub, super) ? cons (sub, super) |
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|
451 |
fun add_supers sub = fold (add_super sub) supers |
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|
452 |
in fold add_supers subs [] end |
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|
453 |
|
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|
454 |
fun make_class_rel_clause (sub,super) = |
43086 | 455 |
{name = sub ^ "_" ^ super, |
456 |
subclass = `make_type_class sub, |
|
457 |
superclass = `make_type_class super} |
|
43085
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|
458 |
|
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|
459 |
fun make_class_rel_clauses thy subs supers = |
43093 | 460 |
map make_class_rel_clause (class_pairs thy subs supers) |
43085
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|
461 |
|
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|
462 |
datatype combterm = |
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|
463 |
CombConst of name * typ * typ list | |
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|
464 |
CombVar of name * typ | |
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|
465 |
CombApp of combterm * combterm |
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|
466 |
|
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|
467 |
fun combtyp_of (CombConst (_, T, _)) = T |
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|
468 |
| combtyp_of (CombVar (_, T)) = T |
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|
469 |
| combtyp_of (CombApp (t1, _)) = snd (dest_funT (combtyp_of t1)) |
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|
470 |
|
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|
471 |
(*gets the head of a combinator application, along with the list of arguments*) |
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|
472 |
fun strip_combterm_comb u = |
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|
473 |
let fun stripc (CombApp(t,u), ts) = stripc (t, u::ts) |
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|
474 |
| stripc x = x |
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|
475 |
in stripc(u,[]) end |
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changeset
|
476 |
|
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|
477 |
fun atyps_of T = fold_atyps (insert (op =)) T [] |
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|
478 |
|
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|
479 |
fun new_skolem_const_name s num_T_args = |
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|
480 |
[new_skolem_const_prefix, s, string_of_int num_T_args] |
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|
481 |
|> space_implode Long_Name.separator |
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changeset
|
482 |
|
0a2f5b86bdd7
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changeset
|
483 |
(* Converts a term (with combinators) into a combterm. Also accumulates sort |
0a2f5b86bdd7
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|
484 |
infomation. *) |
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|
485 |
fun combterm_from_term thy bs (P $ Q) = |
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|
486 |
let |
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|
487 |
val (P', P_atomics_Ts) = combterm_from_term thy bs P |
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|
488 |
val (Q', Q_atomics_Ts) = combterm_from_term thy bs Q |
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changeset
|
489 |
in (CombApp (P', Q'), union (op =) P_atomics_Ts Q_atomics_Ts) end |
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|
490 |
| combterm_from_term thy _ (Const (c, T)) = |
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changeset
|
491 |
let |
0a2f5b86bdd7
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changeset
|
492 |
val tvar_list = |
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changeset
|
493 |
(if String.isPrefix old_skolem_const_prefix c then |
0a2f5b86bdd7
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changeset
|
494 |
[] |> Term.add_tvarsT T |> map TVar |
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changeset
|
495 |
else |
0a2f5b86bdd7
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changeset
|
496 |
(c, T) |> Sign.const_typargs thy) |
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changeset
|
497 |
val c' = CombConst (`make_fixed_const c, T, tvar_list) |
0a2f5b86bdd7
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changeset
|
498 |
in (c', atyps_of T) end |
0a2f5b86bdd7
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changeset
|
499 |
| combterm_from_term _ _ (Free (v, T)) = |
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|
500 |
(CombConst (`make_fixed_var v, T, []), atyps_of T) |
0a2f5b86bdd7
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changeset
|
501 |
| combterm_from_term _ _ (Var (v as (s, _), T)) = |
0a2f5b86bdd7
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changeset
|
502 |
(if String.isPrefix Meson_Clausify.new_skolem_var_prefix s then |
0a2f5b86bdd7
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parents:
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changeset
|
503 |
let |
0a2f5b86bdd7
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parents:
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changeset
|
504 |
val Ts = T |> strip_type |> swap |> op :: |
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changeset
|
505 |
val s' = new_skolem_const_name s (length Ts) |
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parents:
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changeset
|
506 |
in CombConst (`make_fixed_const s', T, Ts) end |
0a2f5b86bdd7
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changeset
|
507 |
else |
0a2f5b86bdd7
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parents:
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changeset
|
508 |
CombVar ((make_schematic_var v, s), T), atyps_of T) |
0a2f5b86bdd7
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parents:
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changeset
|
509 |
| combterm_from_term _ bs (Bound j) = |
0a2f5b86bdd7
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parents:
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changeset
|
510 |
nth bs j |
0a2f5b86bdd7
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changeset
|
511 |
|> (fn (s, T) => (CombConst (`make_bound_var s, T, []), atyps_of T)) |
0a2f5b86bdd7
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changeset
|
512 |
| combterm_from_term _ _ (Abs _) = raise Fail "HOL clause: Abs" |
0a2f5b86bdd7
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changeset
|
513 |
|
0a2f5b86bdd7
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changeset
|
514 |
datatype locality = General | Intro | Elim | Simp | Local | Assum | Chained |
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changeset
|
515 |
|
0a2f5b86bdd7
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changeset
|
516 |
(* (quasi-)underapproximation of the truth *) |
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changeset
|
517 |
fun is_locality_global Local = false |
0a2f5b86bdd7
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changeset
|
518 |
| is_locality_global Assum = false |
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changeset
|
519 |
| is_locality_global Chained = false |
0a2f5b86bdd7
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changeset
|
520 |
| is_locality_global _ = true |
0a2f5b86bdd7
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changeset
|
521 |
|
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
522 |
datatype polymorphism = Polymorphic | Monomorphic | Mangled_Monomorphic |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
523 |
datatype type_level = |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
524 |
All_Types | Nonmonotonic_Types | Finite_Types | Const_Arg_Types | No_Types |
43128 | 525 |
datatype type_heaviness = Heavyweight | Lightweight |
42613
23b13b1bd565
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blanchet
parents:
42612
diff
changeset
|
526 |
|
43102 | 527 |
datatype type_sys = |
42722 | 528 |
Simple_Types of type_level | |
42837 | 529 |
Preds of polymorphism * type_level * type_heaviness | |
530 |
Tags of polymorphism * type_level * type_heaviness |
|
42613
23b13b1bd565
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blanchet
parents:
42612
diff
changeset
|
531 |
|
42689
e38590764c34
versions of ! and ? for the ASCII-challenged Mirabelle
blanchet
parents:
42688
diff
changeset
|
532 |
fun try_unsuffixes ss s = |
e38590764c34
versions of ! and ? for the ASCII-challenged Mirabelle
blanchet
parents:
42688
diff
changeset
|
533 |
fold (fn s' => fn NONE => try (unsuffix s') s | some => some) ss NONE |
e38590764c34
versions of ! and ? for the ASCII-challenged Mirabelle
blanchet
parents:
42688
diff
changeset
|
534 |
|
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
535 |
fun type_sys_from_string s = |
42722 | 536 |
(case try (unprefix "poly_") s of |
537 |
SOME s => (SOME Polymorphic, s) |
|
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
538 |
| NONE => |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
539 |
case try (unprefix "mono_") s of |
42722 | 540 |
SOME s => (SOME Monomorphic, s) |
541 |
| NONE => |
|
542 |
case try (unprefix "mangled_") s of |
|
543 |
SOME s => (SOME Mangled_Monomorphic, s) |
|
544 |
| NONE => (NONE, s)) |
|
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
545 |
||> (fn s => |
42689
e38590764c34
versions of ! and ? for the ASCII-challenged Mirabelle
blanchet
parents:
42688
diff
changeset
|
546 |
(* "_query" and "_bang" are for the ASCII-challenged Mirabelle. *) |
e38590764c34
versions of ! and ? for the ASCII-challenged Mirabelle
blanchet
parents:
42688
diff
changeset
|
547 |
case try_unsuffixes ["?", "_query"] s of |
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
548 |
SOME s => (Nonmonotonic_Types, s) |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
549 |
| NONE => |
42689
e38590764c34
versions of ! and ? for the ASCII-challenged Mirabelle
blanchet
parents:
42688
diff
changeset
|
550 |
case try_unsuffixes ["!", "_bang"] s of |
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
551 |
SOME s => (Finite_Types, s) |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
552 |
| NONE => (All_Types, s)) |
42828 | 553 |
||> apsnd (fn s => |
42837 | 554 |
case try (unsuffix "_heavy") s of |
43128 | 555 |
SOME s => (Heavyweight, s) |
556 |
| NONE => (Lightweight, s)) |
|
42837 | 557 |
|> (fn (poly, (level, (heaviness, core))) => |
558 |
case (core, (poly, level, heaviness)) of |
|
43128 | 559 |
("simple", (NONE, _, Lightweight)) => Simple_Types level |
42854
d99167ac4f8a
since we always default on the "_light" encoding (for good reasons, according to Judgment Day), get rid of that suffix
blanchet
parents:
42852
diff
changeset
|
560 |
| ("preds", (SOME poly, _, _)) => Preds (poly, level, heaviness) |
42851
3bb63850488b
removed "poly_tags_light_bang" since highly unsound
blanchet
parents:
42837
diff
changeset
|
561 |
| ("tags", (SOME Polymorphic, All_Types, _)) => |
42854
d99167ac4f8a
since we always default on the "_light" encoding (for good reasons, according to Judgment Day), get rid of that suffix
blanchet
parents:
42852
diff
changeset
|
562 |
Tags (Polymorphic, All_Types, heaviness) |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
563 |
| ("tags", (SOME Polymorphic, _, _)) => |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
564 |
(* The actual light encoding is very unsound. *) |
43128 | 565 |
Tags (Polymorphic, level, Heavyweight) |
42854
d99167ac4f8a
since we always default on the "_light" encoding (for good reasons, according to Judgment Day), get rid of that suffix
blanchet
parents:
42852
diff
changeset
|
566 |
| ("tags", (SOME poly, _, _)) => Tags (poly, level, heaviness) |
43128 | 567 |
| ("args", (SOME poly, All_Types (* naja *), Lightweight)) => |
568 |
Preds (poly, Const_Arg_Types, Lightweight) |
|
569 |
| ("erased", (NONE, All_Types (* naja *), Lightweight)) => |
|
570 |
Preds (Polymorphic, No_Types, Lightweight) |
|
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
571 |
| _ => raise Same.SAME) |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
572 |
handle Same.SAME => error ("Unknown type system: " ^ quote s ^ ".") |
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
573 |
|
42722 | 574 |
fun polymorphism_of_type_sys (Simple_Types _) = Mangled_Monomorphic |
42828 | 575 |
| polymorphism_of_type_sys (Preds (poly, _, _)) = poly |
576 |
| polymorphism_of_type_sys (Tags (poly, _, _)) = poly |
|
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
577 |
|
42722 | 578 |
fun level_of_type_sys (Simple_Types level) = level |
42828 | 579 |
| level_of_type_sys (Preds (_, level, _)) = level |
580 |
| level_of_type_sys (Tags (_, level, _)) = level |
|
581 |
||
43128 | 582 |
fun heaviness_of_type_sys (Simple_Types _) = Heavyweight |
42837 | 583 |
| heaviness_of_type_sys (Preds (_, _, heaviness)) = heaviness |
584 |
| heaviness_of_type_sys (Tags (_, _, heaviness)) = heaviness |
|
42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
585 |
|
42687 | 586 |
fun is_type_level_virtually_sound level = |
587 |
level = All_Types orelse level = Nonmonotonic_Types |
|
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
588 |
val is_type_sys_virtually_sound = |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
589 |
is_type_level_virtually_sound o level_of_type_sys |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
590 |
|
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
591 |
fun is_type_level_fairly_sound level = |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
592 |
is_type_level_virtually_sound level orelse level = Finite_Types |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
593 |
val is_type_sys_fairly_sound = is_type_level_fairly_sound o level_of_type_sys |
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of out-of-place information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset
|
594 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
595 |
fun is_setting_higher_order THF (Simple_Types _) = true |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
596 |
| is_setting_higher_order _ _ = false |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
597 |
|
43101
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
598 |
fun choose_format formats (Simple_Types level) = |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
599 |
if member (op =) formats THF then (THF, Simple_Types level) |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
600 |
else if member (op =) formats TFF then (TFF, Simple_Types level) |
43128 | 601 |
else choose_format formats (Preds (Mangled_Monomorphic, level, Heavyweight)) |
43101
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
602 |
| choose_format formats type_sys = |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
603 |
(case hd formats of |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
604 |
CNF_UEQ => |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
605 |
(CNF_UEQ, case type_sys of |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
606 |
Preds stuff => |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
607 |
(if is_type_sys_fairly_sound type_sys then Preds else Tags) |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
608 |
stuff |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
609 |
| _ => type_sys) |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
610 |
| format => (format, type_sys)) |
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
611 |
|
40114 | 612 |
type translated_formula = |
38752
6628adcae4a7
consider "locality" when assigning weights to facts
blanchet
parents:
38748
diff
changeset
|
613 |
{name: string, |
42640
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset
|
614 |
locality: locality, |
42525
7a506b0b644f
distinguish FOF and TFF (typed first-order) in ATP abstract syntax tree
blanchet
parents:
42524
diff
changeset
|
615 |
kind: formula_kind, |
42562 | 616 |
combformula: (name, typ, combterm) formula, |
617 |
atomic_types: typ list} |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
618 |
|
42640
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset
|
619 |
fun update_combformula f ({name, locality, kind, combformula, atomic_types} |
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset
|
620 |
: translated_formula) = |
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset
|
621 |
{name = name, locality = locality, kind = kind, combformula = f combformula, |
42562 | 622 |
atomic_types = atomic_types} : translated_formula |
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
623 |
|
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
624 |
fun fact_lift f ({combformula, ...} : translated_formula) = f combformula |
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
625 |
|
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
626 |
val type_instance = Sign.typ_instance o Proof_Context.theory_of |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
627 |
|
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
628 |
fun insert_type ctxt get_T x xs = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
629 |
let val T = get_T x in |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
630 |
if exists (curry (type_instance ctxt) T o get_T) xs then xs |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
631 |
else x :: filter_out (curry (type_instance ctxt o swap) T o get_T) xs |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
632 |
end |
42677
25496cd3c199
monotonic type inference in ATP Sledgehammer problems -- based on Claessen & al.'s CADE 2011 paper, Sect. 2.3.
blanchet
parents:
42675
diff
changeset
|
633 |
|
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
634 |
(* The Booleans indicate whether all type arguments should be kept. *) |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
635 |
datatype type_arg_policy = |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
636 |
Explicit_Type_Args of bool | |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
637 |
Mangled_Type_Args of bool | |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
638 |
No_Type_Args |
41136
30bedf58b177
implemented new type system encoding "overload_args", which is more lightweight than "const_args" (the unsound default) and hopefully almost as sound
blanchet
parents:
41134
diff
changeset
|
639 |
|
42836 | 640 |
fun should_drop_arg_type_args (Simple_Types _) = |
641 |
false (* since TFF doesn't support overloading *) |
|
642 |
| should_drop_arg_type_args type_sys = |
|
643 |
level_of_type_sys type_sys = All_Types andalso |
|
43128 | 644 |
heaviness_of_type_sys type_sys = Heavyweight |
42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
645 |
|
43128 | 646 |
fun general_type_arg_policy (Tags (_, All_Types, Heavyweight)) = No_Type_Args |
43105
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
647 |
| general_type_arg_policy type_sys = |
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
648 |
if level_of_type_sys type_sys = No_Types then |
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
649 |
No_Type_Args |
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
650 |
else if polymorphism_of_type_sys type_sys = Mangled_Monomorphic then |
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
651 |
Mangled_Type_Args (should_drop_arg_type_args type_sys) |
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
652 |
else |
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
653 |
Explicit_Type_Args (should_drop_arg_type_args type_sys) |
42563 | 654 |
|
42951
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset
|
655 |
fun type_arg_policy type_sys s = |
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset
|
656 |
if s = @{const_name HOL.eq} orelse |
42966
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42963
diff
changeset
|
657 |
(s = app_op_name andalso level_of_type_sys type_sys = Const_Arg_Types) then |
42951
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset
|
658 |
No_Type_Args |
43105
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
659 |
else if s = type_tag_name then |
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset
|
660 |
Explicit_Type_Args false |
42951
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset
|
661 |
else |
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset
|
662 |
general_type_arg_policy type_sys |
42227
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
663 |
|
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
664 |
(*Make literals for sorted type variables*) |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
665 |
fun generic_sorts_on_type (_, []) = [] |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
666 |
| generic_sorts_on_type ((x, i), s :: ss) = |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
667 |
generic_sorts_on_type ((x, i), ss) |
43093 | 668 |
|> (if s = the_single @{sort HOL.type} then |
669 |
I |
|
670 |
else if i = ~1 then |
|
671 |
cons (TyLitFree (`make_type_class s, `make_fixed_type_var x)) |
|
672 |
else |
|
673 |
cons (TyLitVar (`make_type_class s, |
|
674 |
(make_schematic_type_var (x, i), x)))) |
|
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
675 |
fun sorts_on_tfree (TFree (s, S)) = generic_sorts_on_type ((s, ~1), S) |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
676 |
| sorts_on_tfree _ = [] |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
677 |
fun sorts_on_tvar (TVar z) = generic_sorts_on_type z |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
678 |
| sorts_on_tvar _ = [] |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
679 |
|
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
680 |
(* Given a list of sorted type variables, return a list of type literals. *) |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
681 |
fun raw_type_literals_for_types Ts = |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
682 |
union_all (map sorts_on_tfree Ts @ map sorts_on_tvar Ts) |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
683 |
|
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
684 |
fun type_literals_for_types type_sys sorts_on_typ Ts = |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
685 |
if level_of_type_sys type_sys = No_Types then [] |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
686 |
else union_all (map sorts_on_typ Ts) |
41137
8b634031b2a5
implemented "no_types" encoding, which is too unsound to be useful but can come in handy for evaluations
blanchet
parents:
41136
diff
changeset
|
687 |
|
42534
46e690db16b8
fake type declarations for full-type args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset
|
688 |
fun mk_aconns c phis = |
46e690db16b8
fake type declarations for full-type args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset
|
689 |
let val (phis', phi') = split_last phis in |
46e690db16b8
fake type declarations for full-type args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset
|
690 |
fold_rev (mk_aconn c) phis' phi' |
46e690db16b8
fake type declarations for full-type args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset
|
691 |
end |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
692 |
fun mk_ahorn [] phi = phi |
42534
46e690db16b8
fake type declarations for full-type args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset
|
693 |
| mk_ahorn phis psi = AConn (AImplies, [mk_aconns AAnd phis, psi]) |
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
694 |
fun mk_aquant _ [] phi = phi |
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
695 |
| mk_aquant q xs (phi as AQuant (q', xs', phi')) = |
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
696 |
if q = q' then AQuant (q, xs @ xs', phi') else AQuant (q, xs, phi) |
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
697 |
| mk_aquant q xs phi = AQuant (q, xs, phi) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
698 |
|
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
699 |
fun close_universally atom_vars phi = |
41145
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset
|
700 |
let |
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset
|
701 |
fun formula_vars bounds (AQuant (_, xs, phi)) = |
42526 | 702 |
formula_vars (map fst xs @ bounds) phi |
41145
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset
|
703 |
| formula_vars bounds (AConn (_, phis)) = fold (formula_vars bounds) phis |
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
704 |
| formula_vars bounds (AAtom tm) = |
42526 | 705 |
union (op =) (atom_vars tm [] |
706 |
|> filter_out (member (op =) bounds o fst)) |
|
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
707 |
in mk_aquant AForall (formula_vars [] phi []) phi end |
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
708 |
|
42531
a462dbaa584f
added more rudimentary type support to Sledgehammer's ATP encoding
blanchet
parents:
42530
diff
changeset
|
709 |
fun combterm_vars (CombApp (tm1, tm2)) = fold combterm_vars [tm1, tm2] |
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
710 |
| combterm_vars (CombConst _) = I |
42574 | 711 |
| combterm_vars (CombVar (name, T)) = insert (op =) (name, SOME T) |
42674 | 712 |
fun close_combformula_universally phi = close_universally combterm_vars phi |
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
713 |
|
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
714 |
fun term_vars (ATerm (name as (s, _), tms)) = |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
715 |
is_tptp_variable s ? insert (op =) (name, NONE) #> fold term_vars tms |
42674 | 716 |
fun close_formula_universally phi = close_universally term_vars phi |
41145
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset
|
717 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
718 |
val homo_infinite_type_name = @{type_name ind} (* any infinite type *) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
719 |
val homo_infinite_type = Type (homo_infinite_type_name, []) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
720 |
|
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
721 |
fun fo_term_from_typ higher_order = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
722 |
let |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
723 |
fun term (Type (s, Ts)) = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
724 |
ATerm (case (higher_order, s) of |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
725 |
(true, @{type_name bool}) => `I tptp_bool_type |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
726 |
| (true, @{type_name fun}) => `I tptp_fun_type |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
727 |
| _ => if s = homo_infinite_type_name then `I tptp_individual_type |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
728 |
else `make_fixed_type_const s, |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
729 |
map term Ts) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
730 |
| term (TFree (s, _)) = ATerm (`make_fixed_type_var s, []) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
731 |
| term (TVar ((x as (s, _)), _)) = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
732 |
ATerm ((make_schematic_type_var x, s), []) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
733 |
in term end |
42562 | 734 |
|
735 |
(* This shouldn't clash with anything else. *) |
|
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
736 |
val mangled_type_sep = "\000" |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
737 |
|
42562 | 738 |
fun generic_mangled_type_name f (ATerm (name, [])) = f name |
739 |
| generic_mangled_type_name f (ATerm (name, tys)) = |
|
42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42755
diff
changeset
|
740 |
f name ^ "(" ^ space_implode "," (map (generic_mangled_type_name f) tys) |
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42755
diff
changeset
|
741 |
^ ")" |
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
742 |
|
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
743 |
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
|
744 |
|
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
745 |
fun make_simple_type s = |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
746 |
if s = tptp_bool_type orelse s = tptp_fun_type orelse |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
747 |
s = tptp_individual_type then |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
748 |
s |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
749 |
else |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
750 |
simple_type_prefix ^ ascii_of s |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
751 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
752 |
fun ho_type_from_fo_term higher_order pred_sym ary = |
42963 | 753 |
let |
754 |
fun to_atype ty = |
|
755 |
AType ((make_simple_type (generic_mangled_type_name fst ty), |
|
756 |
generic_mangled_type_name snd ty)) |
|
757 |
fun to_afun f1 f2 tys = AFun (f1 (hd tys), f2 (nth tys 1)) |
|
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
758 |
fun to_fo 0 ty = if pred_sym then bool_atype else to_atype ty |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
759 |
| to_fo ary (ATerm (_, tys)) = to_afun to_atype (to_fo (ary - 1)) tys |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
760 |
fun to_ho (ty as ATerm ((s, _), tys)) = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
761 |
if s = tptp_fun_type then to_afun to_ho to_ho tys else to_atype ty |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
762 |
in if higher_order then to_ho else to_fo ary end |
42963 | 763 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
764 |
fun mangled_type higher_order pred_sym ary = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
765 |
ho_type_from_fo_term higher_order pred_sym ary o fo_term_from_typ higher_order |
42963 | 766 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
767 |
fun mangled_const_name T_args (s, s') = |
42963 | 768 |
let |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
769 |
val ty_args = map (fo_term_from_typ false) T_args |
42963 | 770 |
fun type_suffix f g = |
771 |
fold_rev (curry (op ^) o g o prefix mangled_type_sep |
|
772 |
o generic_mangled_type_name f) ty_args "" |
|
773 |
in (s ^ type_suffix fst ascii_of, s' ^ type_suffix snd I) end |
|
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
774 |
|
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
775 |
val parse_mangled_ident = |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
776 |
Scan.many1 (not o member (op =) ["(", ")", ","]) >> implode |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
777 |
|
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
778 |
fun parse_mangled_type x = |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
779 |
(parse_mangled_ident |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
780 |
-- Scan.optional ($$ "(" |-- Scan.optional parse_mangled_types [] --| $$ ")") |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
781 |
[] >> ATerm) x |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
782 |
and parse_mangled_types x = |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
783 |
(parse_mangled_type ::: Scan.repeat ($$ "," |-- parse_mangled_type)) x |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
784 |
|
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
785 |
fun unmangled_type s = |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
786 |
s |> suffix ")" |> raw_explode |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
787 |
|> Scan.finite Symbol.stopper |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
788 |
(Scan.error (!! (fn _ => raise Fail ("unrecognized mangled type " ^ |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
789 |
quote s)) parse_mangled_type)) |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
790 |
|> fst |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
791 |
|
42561
23ddc4e3d19c
have properly type-instantiated helper facts (combinators and If)
blanchet
parents:
42560
diff
changeset
|
792 |
val unmangled_const_name = space_explode mangled_type_sep #> hd |
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
793 |
fun unmangled_const s = |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
794 |
let val ss = space_explode mangled_type_sep s in |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
795 |
(hd ss, map unmangled_type (tl ss)) |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
796 |
end |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
797 |
|
43017
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset
|
798 |
fun introduce_proxies format type_sys = |
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
799 |
let |
43017
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset
|
800 |
fun intro top_level (CombApp (tm1, tm2)) = |
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset
|
801 |
CombApp (intro top_level tm1, intro false tm2) |
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset
|
802 |
| intro top_level (CombConst (name as (s, _), T, T_args)) = |
42570
77f94ac04f32
cleanup proxification/unproxification and make sure that "num_atp_type_args" is called on the proxy in the reconstruction code, since "c_fequal" has one type arg but the unproxified equal has 0
blanchet
parents:
42569
diff
changeset
|
803 |
(case proxify_const s of |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
804 |
SOME proxy_base => |
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
805 |
if top_level orelse is_setting_higher_order format type_sys then |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
806 |
case (top_level, s) of |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
807 |
(_, "c_False") => (`I tptp_false, []) |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
808 |
| (_, "c_True") => (`I tptp_true, []) |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
809 |
| (false, "c_Not") => (`I tptp_not, []) |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
810 |
| (false, "c_conj") => (`I tptp_and, []) |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
811 |
| (false, "c_disj") => (`I tptp_or, []) |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
812 |
| (false, "c_implies") => (`I tptp_implies, []) |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
813 |
| (false, s) => |
43017
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset
|
814 |
if is_tptp_equal s then (`I tptp_equal, []) |
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset
|
815 |
else (proxy_base |>> prefix const_prefix, T_args) |
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
816 |
| _ => (name, []) |
42569
5737947e4c77
make sure that fequal keeps its type arguments for mangled type systems
blanchet
parents:
42568
diff
changeset
|
817 |
else |
42574 | 818 |
(proxy_base |>> prefix const_prefix, T_args) |
819 |
| NONE => (name, T_args)) |
|
820 |
|> (fn (name, T_args) => CombConst (name, T, T_args)) |
|
43017
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset
|
821 |
| intro _ tm = tm |
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset
|
822 |
in intro true end |
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
823 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
824 |
fun combformula_from_prop thy format type_sys eq_as_iff = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
825 |
let |
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
826 |
fun do_term bs t atomic_types = |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
827 |
combterm_from_term thy bs (Envir.eta_contract t) |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
828 |
|>> (introduce_proxies format type_sys #> AAtom) |
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
829 |
||> union (op =) atomic_types |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
830 |
fun do_quant bs q s T t' = |
38518
54727b44e277
handle bound name conflicts gracefully in FOF translation
blanchet
parents:
38496
diff
changeset
|
831 |
let val s = Name.variant (map fst bs) s in |
54727b44e277
handle bound name conflicts gracefully in FOF translation
blanchet
parents:
38496
diff
changeset
|
832 |
do_formula ((s, T) :: bs) t' |
42562 | 833 |
#>> mk_aquant q [(`make_bound_var s, SOME T)] |
38518
54727b44e277
handle bound name conflicts gracefully in FOF translation
blanchet
parents:
38496
diff
changeset
|
834 |
end |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
835 |
and do_conn bs c t1 t2 = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
836 |
do_formula bs t1 ##>> do_formula bs t2 |
42531
a462dbaa584f
added more rudimentary type support to Sledgehammer's ATP encoding
blanchet
parents:
42530
diff
changeset
|
837 |
#>> uncurry (mk_aconn c) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
838 |
and do_formula bs t = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
839 |
case t of |
43096 | 840 |
@{const Trueprop} $ t1 => do_formula bs t1 |
841 |
| @{const Not} $ t1 => do_formula bs t1 #>> mk_anot |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
842 |
| Const (@{const_name All}, _) $ Abs (s, T, t') => |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
843 |
do_quant bs AForall s T t' |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
844 |
| Const (@{const_name Ex}, _) $ Abs (s, T, t') => |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
845 |
do_quant bs AExists s T t' |
38795
848be46708dc
formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
haftmann
parents:
38786
diff
changeset
|
846 |
| @{const HOL.conj} $ t1 $ t2 => do_conn bs AAnd t1 t2 |
848be46708dc
formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
haftmann
parents:
38786
diff
changeset
|
847 |
| @{const HOL.disj} $ t1 $ t2 => do_conn bs AOr t1 t2 |
38786
e46e7a9cb622
formerly unnamed infix impliciation now named HOL.implies
haftmann
parents:
38752
diff
changeset
|
848 |
| @{const HOL.implies} $ t1 $ t2 => do_conn bs AImplies t1 t2 |
38864
4abe644fcea5
formerly unnamed infix equality now named HOL.eq
haftmann
parents:
38829
diff
changeset
|
849 |
| Const (@{const_name HOL.eq}, Type (_, [@{typ bool}, _])) $ t1 $ t2 => |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
850 |
if eq_as_iff then do_conn bs AIff t1 t2 else do_term bs t |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
851 |
| _ => do_term bs t |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
852 |
in do_formula [] end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
853 |
|
42750
c8b1d9ee3758
ensure Set.member isn't introduced by Meson's preprocessing if it's supposed to be unfolded
blanchet
parents:
42747
diff
changeset
|
854 |
fun presimplify_term ctxt = |
c8b1d9ee3758
ensure Set.member isn't introduced by Meson's preprocessing if it's supposed to be unfolded
blanchet
parents:
42747
diff
changeset
|
855 |
Skip_Proof.make_thm (Proof_Context.theory_of ctxt) |
c8b1d9ee3758
ensure Set.member isn't introduced by Meson's preprocessing if it's supposed to be unfolded
blanchet
parents:
42747
diff
changeset
|
856 |
#> Meson.presimplify ctxt |
c8b1d9ee3758
ensure Set.member isn't introduced by Meson's preprocessing if it's supposed to be unfolded
blanchet
parents:
42747
diff
changeset
|
857 |
#> prop_of |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
858 |
|
41491 | 859 |
fun concealed_bound_name j = sledgehammer_weak_prefix ^ string_of_int j |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
860 |
fun conceal_bounds Ts t = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
861 |
subst_bounds (map (Free o apfst concealed_bound_name) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
862 |
(0 upto length Ts - 1 ~~ Ts), t) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
863 |
fun reveal_bounds Ts = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
864 |
subst_atomic (map (fn (j, T) => (Free (concealed_bound_name j, T), Bound j)) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
865 |
(0 upto length Ts - 1 ~~ Ts)) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
866 |
|
42747
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset
|
867 |
fun extensionalize_term ctxt t = |
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset
|
868 |
let val thy = Proof_Context.theory_of ctxt in |
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset
|
869 |
t |> cterm_of thy |> Meson.extensionalize_conv ctxt |
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset
|
870 |
|> prop_of |> Logic.dest_equals |> snd |
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset
|
871 |
end |
38608
01ed56c46259
beta eta contract the Sledgehammer conjecture (and also the axioms, although this might not be needed), just like Metis does (implicitly);
blanchet
parents:
38606
diff
changeset
|
872 |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
873 |
fun introduce_combinators_in_term ctxt kind t = |
42361 | 874 |
let val thy = Proof_Context.theory_of ctxt in |
38491
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
875 |
if Meson.is_fol_term thy t then |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
876 |
t |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
877 |
else |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
878 |
let |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
879 |
fun aux Ts t = |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
880 |
case t of |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
881 |
@{const Not} $ t1 => @{const Not} $ aux Ts t1 |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
882 |
| (t0 as Const (@{const_name All}, _)) $ Abs (s, T, t') => |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
883 |
t0 $ Abs (s, T, aux (T :: Ts) t') |
38652
e063be321438
perform eta-expansion of quantifier bodies in Sledgehammer translation when needed + transform elim rules later;
blanchet
parents:
38618
diff
changeset
|
884 |
| (t0 as Const (@{const_name All}, _)) $ t1 => |
e063be321438
perform eta-expansion of quantifier bodies in Sledgehammer translation when needed + transform elim rules later;
blanchet
parents:
38618
diff
changeset
|
885 |
aux Ts (t0 $ eta_expand Ts t1 1) |
38491
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
886 |
| (t0 as Const (@{const_name Ex}, _)) $ Abs (s, T, t') => |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
887 |
t0 $ Abs (s, T, aux (T :: Ts) t') |
38652
e063be321438
perform eta-expansion of quantifier bodies in Sledgehammer translation when needed + transform elim rules later;
blanchet
parents:
38618
diff
changeset
|
888 |
| (t0 as Const (@{const_name Ex}, _)) $ t1 => |
e063be321438
perform eta-expansion of quantifier bodies in Sledgehammer translation when needed + transform elim rules later;
blanchet
parents:
38618
diff
changeset
|
889 |
aux Ts (t0 $ eta_expand Ts t1 1) |
38795
848be46708dc
formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
haftmann
parents:
38786
diff
changeset
|
890 |
| (t0 as @{const HOL.conj}) $ t1 $ t2 => t0 $ aux Ts t1 $ aux Ts t2 |
848be46708dc
formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
haftmann
parents:
38786
diff
changeset
|
891 |
| (t0 as @{const HOL.disj}) $ t1 $ t2 => t0 $ aux Ts t1 $ aux Ts t2 |
38786
e46e7a9cb622
formerly unnamed infix impliciation now named HOL.implies
haftmann
parents:
38752
diff
changeset
|
892 |
| (t0 as @{const HOL.implies}) $ t1 $ t2 => t0 $ aux Ts t1 $ aux Ts t2 |
38864
4abe644fcea5
formerly unnamed infix equality now named HOL.eq
haftmann
parents:
38829
diff
changeset
|
893 |
| (t0 as Const (@{const_name HOL.eq}, Type (_, [@{typ bool}, _]))) |
38491
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
894 |
$ t1 $ t2 => |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
895 |
t0 $ aux Ts t1 $ aux Ts t2 |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
896 |
| _ => if not (exists_subterm (fn Abs _ => true | _ => false) t) then |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
897 |
t |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
898 |
else |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
899 |
t |> conceal_bounds Ts |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
900 |
|> Envir.eta_contract |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
901 |
|> cterm_of thy |
39890 | 902 |
|> Meson_Clausify.introduce_combinators_in_cterm |
38491
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
903 |
|> prop_of |> Logic.dest_equals |> snd |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
904 |
|> reveal_bounds Ts |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39005
diff
changeset
|
905 |
val (t, ctxt') = Variable.import_terms true [t] ctxt |>> the_single |
38491
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
906 |
in t |> aux [] |> singleton (Variable.export_terms ctxt' ctxt) end |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
907 |
handle THM _ => |
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
908 |
(* A type variable of sort "{}" will make abstraction fail. *) |
38613
4ca2cae2653f
use "hypothesis" rather than "conjecture" for hypotheses in TPTP format;
blanchet
parents:
38610
diff
changeset
|
909 |
if kind = Conjecture then HOLogic.false_const |
4ca2cae2653f
use "hypothesis" rather than "conjecture" for hypotheses in TPTP format;
blanchet
parents:
38610
diff
changeset
|
910 |
else HOLogic.true_const |
38491
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset
|
911 |
end |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
912 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
913 |
(* Metis's use of "resolve_tac" freezes the schematic variables. We simulate the |
42353
7797efa897a1
correctly handle TFrees that occur in (local) facts -- Metis did the right thing here but Sledgehammer was incorrectly generating spurious preconditions such as "dense_linorder(t_a)"
blanchet
parents:
42237
diff
changeset
|
914 |
same in Sledgehammer to prevent the discovery of unreplayable proofs. *) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
915 |
fun freeze_term t = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
916 |
let |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
917 |
fun aux (t $ u) = aux t $ aux u |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
918 |
| aux (Abs (s, T, t)) = Abs (s, T, aux t) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
919 |
| aux (Var ((s, i), T)) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
920 |
Free (sledgehammer_weak_prefix ^ s ^ "_" ^ string_of_int i, T) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
921 |
| aux t = t |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
922 |
in t |> exists_subterm is_Var t ? aux end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
923 |
|
43096 | 924 |
fun preprocess_prop ctxt presimp kind t = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
925 |
let |
42361 | 926 |
val thy = Proof_Context.theory_of ctxt |
38608
01ed56c46259
beta eta contract the Sledgehammer conjecture (and also the axioms, although this might not be needed), just like Metis does (implicitly);
blanchet
parents:
38606
diff
changeset
|
927 |
val t = t |> Envir.beta_eta_contract |
42944
9e620869a576
improved Waldmeister support -- even run it by default on unit equational goals
blanchet
parents:
42943
diff
changeset
|
928 |
|> transform_elim_prop |
41211
1e2e16bc0077
no need to do a super-duper atomization if Metis fails afterwards anyway
blanchet
parents:
41199
diff
changeset
|
929 |
|> Object_Logic.atomize_term thy |
42563 | 930 |
val need_trueprop = (fastype_of t = @{typ bool}) |
43096 | 931 |
in |
932 |
t |> need_trueprop ? HOLogic.mk_Trueprop |
|
933 |
|> Raw_Simplifier.rewrite_term thy (Meson.unfold_set_const_simps ctxt) [] |
|
934 |
|> extensionalize_term ctxt |
|
935 |
|> presimp ? presimplify_term ctxt |
|
43120
a9c2cdf4ae97
make sure "Trueprop" is removed before combinators are added -- the code is fragile in that respect
blanchet
parents:
43105
diff
changeset
|
936 |
|> perhaps (try (HOLogic.dest_Trueprop)) |
43096 | 937 |
|> introduce_combinators_in_term ctxt kind |
938 |
end |
|
939 |
||
940 |
(* making fact and conjecture formulas *) |
|
941 |
fun make_formula thy format type_sys eq_as_iff name loc kind t = |
|
942 |
let |
|
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
943 |
val (combformula, atomic_types) = |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
944 |
combformula_from_prop thy format type_sys eq_as_iff t [] |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
945 |
in |
42640
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset
|
946 |
{name = name, locality = loc, kind = kind, combformula = combformula, |
42562 | 947 |
atomic_types = atomic_types} |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
948 |
end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
949 |
|
43096 | 950 |
fun make_fact ctxt format type_sys keep_trivial eq_as_iff preproc presimp |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
951 |
((name, loc), t) = |
43096 | 952 |
let val thy = Proof_Context.theory_of ctxt in |
953 |
case (keep_trivial, |
|
954 |
t |> preproc ? preprocess_prop ctxt presimp Axiom |
|
955 |
|> make_formula thy format type_sys eq_as_iff name loc Axiom) of |
|
956 |
(false, |
|
957 |
formula as {combformula = AAtom (CombConst ((s, _), _, _)), ...}) => |
|
958 |
if s = tptp_true then NONE else SOME formula |
|
959 |
| (_, formula) => SOME formula |
|
960 |
end |
|
42561
23ddc4e3d19c
have properly type-instantiated helper facts (combinators and If)
blanchet
parents:
42560
diff
changeset
|
961 |
|
43096 | 962 |
fun make_conjecture ctxt format prem_kind type_sys preproc ts = |
963 |
let |
|
964 |
val thy = Proof_Context.theory_of ctxt |
|
965 |
val last = length ts - 1 |
|
966 |
in |
|
42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
967 |
map2 (fn j => fn t => |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
968 |
let |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
969 |
val (kind, maybe_negate) = |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
970 |
if j = last then |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
971 |
(Conjecture, I) |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
972 |
else |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
973 |
(prem_kind, |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
974 |
if prem_kind = Conjecture then update_combformula mk_anot |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
975 |
else I) |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
976 |
in |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
977 |
t |> preproc ? (preprocess_prop ctxt true kind #> freeze_term) |
43096 | 978 |
|> make_formula thy format type_sys true (string_of_int j) |
979 |
General kind |
|
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
980 |
|> maybe_negate |
42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
981 |
end) |
38613
4ca2cae2653f
use "hypothesis" rather than "conjecture" for hypotheses in TPTP format;
blanchet
parents:
38610
diff
changeset
|
982 |
(0 upto last) ts |
4ca2cae2653f
use "hypothesis" rather than "conjecture" for hypotheses in TPTP format;
blanchet
parents:
38610
diff
changeset
|
983 |
end |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
984 |
|
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
985 |
(** Finite and infinite type inference **) |
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
986 |
|
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
987 |
fun deep_freeze_atyp (TVar (_, S)) = TFree ("v", S) |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
988 |
| deep_freeze_atyp T = T |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
989 |
val deep_freeze_type = map_atyps deep_freeze_atyp |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
990 |
|
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
991 |
(* Finite types such as "unit", "bool", "bool * bool", and "bool => bool" are |
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
992 |
dangerous because their "exhaust" properties can easily lead to unsound ATP |
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
993 |
proofs. On the other hand, all HOL infinite types can be given the same |
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
994 |
models in first-order logic (via Löwenheim-Skolem). *) |
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
995 |
|
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
996 |
fun should_encode_type ctxt (nonmono_Ts as _ :: _) _ T = |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
997 |
exists (curry (type_instance ctxt) (deep_freeze_type T)) nonmono_Ts |
42836 | 998 |
| should_encode_type _ _ All_Types _ = true |
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
999 |
| should_encode_type ctxt _ Finite_Types T = is_type_surely_finite ctxt T |
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
1000 |
| should_encode_type _ _ _ _ = false |
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
1001 |
|
42837 | 1002 |
fun should_predicate_on_type ctxt nonmono_Ts (Preds (_, level, heaviness)) |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1003 |
should_predicate_on_var T = |
43128 | 1004 |
(heaviness = Heavyweight orelse should_predicate_on_var ()) andalso |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1005 |
should_encode_type ctxt nonmono_Ts level T |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1006 |
| should_predicate_on_type _ _ _ _ _ = false |
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
1007 |
|
42836 | 1008 |
fun is_var_or_bound_var (CombConst ((s, _), _, _)) = |
1009 |
String.isPrefix bound_var_prefix s |
|
1010 |
| is_var_or_bound_var (CombVar _) = true |
|
1011 |
| is_var_or_bound_var _ = false |
|
1012 |
||
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1013 |
datatype tag_site = Top_Level | Eq_Arg | Elsewhere |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1014 |
|
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1015 |
fun should_tag_with_type _ _ _ Top_Level _ _ = false |
42837 | 1016 |
| should_tag_with_type ctxt nonmono_Ts (Tags (_, level, heaviness)) site u T = |
1017 |
(case heaviness of |
|
43128 | 1018 |
Heavyweight => should_encode_type ctxt nonmono_Ts level T |
1019 |
| Lightweight => |
|
42836 | 1020 |
case (site, is_var_or_bound_var u) of |
1021 |
(Eq_Arg, true) => should_encode_type ctxt nonmono_Ts level T |
|
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1022 |
| _ => false) |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1023 |
| should_tag_with_type _ _ _ _ _ _ = false |
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
1024 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1025 |
fun homogenized_type ctxt nonmono_Ts level = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1026 |
let |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1027 |
val should_encode = should_encode_type ctxt nonmono_Ts level |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1028 |
fun homo 0 T = if should_encode T then T else homo_infinite_type |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1029 |
| homo ary (Type (@{type_name fun}, [T1, T2])) = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1030 |
homo 0 T1 --> homo (ary - 1) T2 |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1031 |
| homo _ _ = raise Fail "expected function type" |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1032 |
in homo end |
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
1033 |
|
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1034 |
(** "hBOOL" and "hAPP" **) |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1035 |
|
42574 | 1036 |
type sym_info = |
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1037 |
{pred_sym : bool, min_ary : int, max_ary : int, types : typ list} |
42563 | 1038 |
|
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1039 |
fun add_combterm_syms_to_table ctxt explicit_apply = |
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1040 |
let |
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1041 |
fun consider_var_arity const_T var_T max_ary = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1042 |
let |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1043 |
fun iter ary T = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1044 |
if ary = max_ary orelse type_instance ctxt (var_T, T) then ary |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1045 |
else iter (ary + 1) (range_type T) |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1046 |
in iter 0 const_T end |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1047 |
fun add top_level tm (accum as (ho_var_Ts, sym_tab)) = |
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1048 |
let val (head, args) = strip_combterm_comb tm in |
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1049 |
(case head of |
42563 | 1050 |
CombConst ((s, _), T, _) => |
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1051 |
if String.isPrefix bound_var_prefix s then |
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1052 |
if explicit_apply = NONE andalso can dest_funT T then |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1053 |
let |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1054 |
fun repair_min_arity {pred_sym, min_ary, max_ary, types} = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1055 |
{pred_sym = pred_sym, |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1056 |
min_ary = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1057 |
fold (fn T' => consider_var_arity T' T) types min_ary, |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1058 |
max_ary = max_ary, types = types} |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1059 |
val ho_var_Ts' = ho_var_Ts |> insert_type ctxt I T |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1060 |
in |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1061 |
if pointer_eq (ho_var_Ts', ho_var_Ts) then accum |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1062 |
else (ho_var_Ts', Symtab.map (K repair_min_arity) sym_tab) |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1063 |
end |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1064 |
else |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1065 |
accum |
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1066 |
else |
43139
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61 -- "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
|
1067 |
let val ary = length args in |
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1068 |
(ho_var_Ts, |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1069 |
case Symtab.lookup sym_tab s of |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1070 |
SOME {pred_sym, min_ary, max_ary, types} => |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1071 |
let |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1072 |
val types' = types |> insert_type ctxt I T |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1073 |
val min_ary = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1074 |
if is_some explicit_apply orelse |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1075 |
pointer_eq (types', types) then |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1076 |
min_ary |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1077 |
else |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1078 |
fold (consider_var_arity T) ho_var_Ts min_ary |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1079 |
in |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1080 |
Symtab.update (s, {pred_sym = pred_sym andalso top_level, |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1081 |
min_ary = Int.min (ary, min_ary), |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1082 |
max_ary = Int.max (ary, max_ary), |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1083 |
types = types'}) |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1084 |
sym_tab |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1085 |
end |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1086 |
| NONE => |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1087 |
let |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1088 |
val min_ary = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1089 |
case explicit_apply of |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1090 |
SOME true => 0 |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1091 |
| SOME false => ary |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1092 |
| NONE => fold (consider_var_arity T) ho_var_Ts ary |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1093 |
in |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1094 |
Symtab.update_new (s, {pred_sym = top_level, |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1095 |
min_ary = min_ary, max_ary = ary, |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1096 |
types = [T]}) |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1097 |
sym_tab |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1098 |
end) |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1099 |
end |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1100 |
| _ => accum) |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1101 |
|> fold (add false) args |
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1102 |
end |
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1103 |
in add true end |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1104 |
fun add_fact_syms_to_table ctxt explicit_apply = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1105 |
fact_lift (formula_fold NONE |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1106 |
(K (add_combterm_syms_to_table ctxt explicit_apply))) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1107 |
|
43139
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61 -- "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
|
1108 |
val default_sym_tab_entries : (string * sym_info) list = |
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61 -- "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
|
1109 |
(make_fixed_const predicator_name, |
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61 -- "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
|
1110 |
{pred_sym = true, min_ary = 1, max_ary = 1, types = []}) :: |
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
1111 |
([tptp_false, tptp_true] |
43139
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61 -- "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
|
1112 |
|> map (rpair {pred_sym = true, min_ary = 0, max_ary = 0, types = []})) @ |
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61 -- "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
|
1113 |
([tptp_equal, tptp_old_equal] |
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61 -- "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
|
1114 |
|> map (rpair {pred_sym = true, min_ary = 2, max_ary = 2, types = []})) |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
1115 |
|
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1116 |
fun sym_table_for_facts ctxt explicit_apply facts = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1117 |
Symtab.empty |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1118 |
|> pair [] |> fold (add_fact_syms_to_table ctxt explicit_apply) facts |> snd |
43139
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61 -- "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
|
1119 |
|> fold Symtab.update default_sym_tab_entries |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1120 |
|
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1121 |
fun min_arity_of sym_tab s = |
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1122 |
case Symtab.lookup sym_tab s of |
42574 | 1123 |
SOME ({min_ary, ...} : sym_info) => min_ary |
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1124 |
| NONE => |
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1125 |
case strip_prefix_and_unascii const_prefix s of |
42547
b5eec0c99528
fixed arity of special constants if "explicit_apply" is set
blanchet
parents:
42546
diff
changeset
|
1126 |
SOME s => |
42570
77f94ac04f32
cleanup proxification/unproxification and make sure that "num_atp_type_args" is called on the proxy in the reconstruction code, since "c_fequal" has one type arg but the unproxified equal has 0
blanchet
parents:
42569
diff
changeset
|
1127 |
let val s = s |> unmangled_const_name |> invert_const in |
42966
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42963
diff
changeset
|
1128 |
if s = predicator_name then 1 |
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42963
diff
changeset
|
1129 |
else if s = app_op_name then 2 |
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42963
diff
changeset
|
1130 |
else if s = type_pred_name then 1 |
42557
ae0deb39a254
fixed min-arity computation when "explicit_apply" is specified
blanchet
parents:
42556
diff
changeset
|
1131 |
else 0 |
42547
b5eec0c99528
fixed arity of special constants if "explicit_apply" is set
blanchet
parents:
42546
diff
changeset
|
1132 |
end |
42544
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1133 |
| NONE => 0 |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1134 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1135 |
(* True if the constant ever appears outside of the top-level position in |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1136 |
literals, or if it appears with different arities (e.g., because of different |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1137 |
type instantiations). If false, the constant always receives all of its |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1138 |
arguments and is used as a predicate. *) |
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1139 |
fun is_pred_sym sym_tab s = |
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1140 |
case Symtab.lookup sym_tab s of |
42574 | 1141 |
SOME ({pred_sym, min_ary, max_ary, ...} : sym_info) => |
1142 |
pred_sym andalso min_ary = max_ary |
|
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset
|
1143 |
| NONE => false |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1144 |
|
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
1145 |
val predicator_combconst = |
42966
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42963
diff
changeset
|
1146 |
CombConst (`make_fixed_const predicator_name, @{typ "bool => bool"}, []) |
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
1147 |
fun predicator tm = CombApp (predicator_combconst, tm) |
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
1148 |
|
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
1149 |
fun introduce_predicators_in_combterm sym_tab tm = |
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
1150 |
case strip_combterm_comb tm of |
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
1151 |
(CombConst ((s, _), _, _), _) => |
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
1152 |
if is_pred_sym sym_tab s then tm else predicator tm |
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset
|
1153 |
| _ => predicator tm |
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset
|
1154 |
|
42544
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1155 |
fun list_app head args = fold (curry (CombApp o swap)) args head |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1156 |
|
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1157 |
val app_op = `make_fixed_const app_op_name |
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1158 |
|
42544
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1159 |
fun explicit_app arg head = |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1160 |
let |
42562 | 1161 |
val head_T = combtyp_of head |
42693
3c2baf9b3c61
reverted 6efda6167e5d because unsound -- Vampire found a counterexample
blanchet
parents:
42691
diff
changeset
|
1162 |
val (arg_T, res_T) = dest_funT head_T |
42544
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1163 |
val explicit_app = |
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1164 |
CombConst (app_op, head_T --> head_T, [arg_T, res_T]) |
42544
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1165 |
in list_app explicit_app [head, arg] end |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1166 |
fun list_explicit_app head args = fold explicit_app args head |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1167 |
|
42565
93f58e6a6f3e
proper handling of partially applied proxy symbols
blanchet
parents:
42564
diff
changeset
|
1168 |
fun introduce_explicit_apps_in_combterm sym_tab = |
42544
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1169 |
let |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1170 |
fun aux tm = |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1171 |
case strip_combterm_comb tm of |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1172 |
(head as CombConst ((s, _), _, _), args) => |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1173 |
args |> map aux |
42557
ae0deb39a254
fixed min-arity computation when "explicit_apply" is specified
blanchet
parents:
42556
diff
changeset
|
1174 |
|> chop (min_arity_of sym_tab s) |
42544
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1175 |
|>> list_app head |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1176 |
|-> list_explicit_app |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1177 |
| (head, args) => list_explicit_app head (map aux args) |
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1178 |
in aux end |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1179 |
|
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1180 |
fun chop_fun 0 T = ([], T) |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1181 |
| chop_fun n (Type (@{type_name fun}, [dom_T, ran_T])) = |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1182 |
chop_fun (n - 1) ran_T |>> cons dom_T |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1183 |
| chop_fun _ _ = raise Fail "unexpected non-function" |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1184 |
|
42780
be6164bc9744
avoid "UnequalLengths" exception for special constant "fequal" -- and optimize code in the common case where no type arguments are needed
blanchet
parents:
42778
diff
changeset
|
1185 |
fun filter_type_args _ _ _ [] = [] |
be6164bc9744
avoid "UnequalLengths" exception for special constant "fequal" -- and optimize code in the common case where no type arguments are needed
blanchet
parents:
42778
diff
changeset
|
1186 |
| filter_type_args thy s arity T_args = |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1187 |
let |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1188 |
(* will throw "TYPE" for pseudo-constants *) |
42966
4e2d6c1e5392
more work on parsing LEO-II proofs without lambdas
blanchet
parents:
42963
diff
changeset
|
1189 |
val U = if s = app_op_name then |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1190 |
@{typ "('a => 'b) => 'a => 'b"} |> Logic.varifyT_global |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1191 |
else |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1192 |
s |> Sign.the_const_type thy |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1193 |
in |
42781 | 1194 |
case Term.add_tvarsT (U |> chop_fun arity |> snd) [] of |
1195 |
[] => [] |
|
1196 |
| res_U_vars => |
|
1197 |
let val U_args = (s, U) |> Sign.const_typargs thy in |
|
1198 |
U_args ~~ T_args |
|
1199 |
|> map_filter (fn (U, T) => |
|
1200 |
if member (op =) res_U_vars (dest_TVar U) then |
|
1201 |
SOME T |
|
1202 |
else |
|
1203 |
NONE) |
|
1204 |
end |
|
42780
be6164bc9744
avoid "UnequalLengths" exception for special constant "fequal" -- and optimize code in the common case where no type arguments are needed
blanchet
parents:
42778
diff
changeset
|
1205 |
end |
be6164bc9744
avoid "UnequalLengths" exception for special constant "fequal" -- and optimize code in the common case where no type arguments are needed
blanchet
parents:
42778
diff
changeset
|
1206 |
handle TYPE _ => T_args |
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1207 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1208 |
fun enforce_type_arg_policy_in_combterm ctxt nonmono_Ts type_sys = |
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1209 |
let |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1210 |
val thy = Proof_Context.theory_of ctxt |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1211 |
fun aux arity (CombApp (tm1, tm2)) = |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1212 |
CombApp (aux (arity + 1) tm1, aux 0 tm2) |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1213 |
| aux arity (CombConst (name as (s, _), T, T_args)) = |
42701
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1214 |
let |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1215 |
val level = level_of_type_sys type_sys |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1216 |
val (T, T_args) = |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1217 |
(* Aggressively merge most "hAPPs" if the type system is unsound |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1218 |
anyway, by distinguishing overloads only on the homogenized |
42837 | 1219 |
result type. Don't do it for lightweight type systems, though, |
1220 |
since it leads to too many unsound proofs. *) |
|
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1221 |
if s = prefixed_app_op_name andalso length T_args = 2 andalso |
42836 | 1222 |
not (is_type_sys_virtually_sound type_sys) andalso |
43128 | 1223 |
heaviness_of_type_sys type_sys = Heavyweight then |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1224 |
T_args |> map (homogenized_type ctxt nonmono_Ts level 0) |
42701
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1225 |
|> (fn Ts => let val T = hd Ts --> nth Ts 1 in |
42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
1226 |
(T --> T, tl Ts) |
42701
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1227 |
end) |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1228 |
else |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1229 |
(T, T_args) |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1230 |
in |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1231 |
(case strip_prefix_and_unascii const_prefix s of |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1232 |
NONE => (name, T_args) |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1233 |
| SOME s'' => |
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1234 |
let |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1235 |
val s'' = invert_const s'' |
42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
1236 |
fun filtered_T_args false = T_args |
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
1237 |
| filtered_T_args true = filter_type_args thy s'' arity T_args |
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1238 |
in |
42701
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1239 |
case type_arg_policy type_sys s'' of |
42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
1240 |
Explicit_Type_Args drop_args => |
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
1241 |
(name, filtered_T_args drop_args) |
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
1242 |
| Mangled_Type_Args drop_args => |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1243 |
(mangled_const_name (filtered_T_args drop_args) name, []) |
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1244 |
| No_Type_Args => (name, []) |
42701
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1245 |
end) |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1246 |
|> (fn (name, T_args) => CombConst (name, T, T_args)) |
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1247 |
end |
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1248 |
| aux _ tm = tm |
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1249 |
in aux 0 end |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1250 |
|
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1251 |
fun repair_combterm ctxt format nonmono_Ts type_sys sym_tab = |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1252 |
not (is_setting_higher_order format type_sys) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1253 |
? (introduce_explicit_apps_in_combterm sym_tab |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1254 |
#> introduce_predicators_in_combterm sym_tab) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1255 |
#> enforce_type_arg_policy_in_combterm ctxt nonmono_Ts type_sys |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1256 |
fun repair_fact ctxt format nonmono_Ts type_sys sym_tab = |
42701
500e4a88675e
reintroduce unsoundnesses taken out in 4d29b4785f43 and 3c2baf9b3c61 but only for unsound type systems
blanchet
parents:
42700
diff
changeset
|
1257 |
update_combformula (formula_map |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1258 |
(repair_combterm ctxt format nonmono_Ts type_sys sym_tab)) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1259 |
|
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1260 |
(** Helper facts **) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1261 |
|
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1262 |
(* The Boolean indicates that a fairly sound type encoding is needed. *) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1263 |
val helper_table = |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1264 |
[("COMBI", (false, @{thms Meson.COMBI_def})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1265 |
("COMBK", (false, @{thms Meson.COMBK_def})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1266 |
("COMBB", (false, @{thms Meson.COMBB_def})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1267 |
("COMBC", (false, @{thms Meson.COMBC_def})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1268 |
("COMBS", (false, @{thms Meson.COMBS_def})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1269 |
("fequal", |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1270 |
(* This is a lie: Higher-order equality doesn't need a sound type encoding. |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1271 |
However, this is done so for backward compatibility: Including the |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1272 |
equality helpers by default in Metis breaks a few existing proofs. *) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1273 |
(true, @{thms fequal_def [THEN Meson.iff_to_disjD, THEN conjunct1] |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1274 |
fequal_def [THEN Meson.iff_to_disjD, THEN conjunct2]})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1275 |
("fFalse", (true, @{thms True_or_False})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1276 |
("fFalse", (false, [@{lemma "~ fFalse" by (unfold fFalse_def) fast}])), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1277 |
("fTrue", (true, @{thms True_or_False})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1278 |
("fTrue", (false, [@{lemma "fTrue" by (unfold fTrue_def) fast}])), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1279 |
("fNot", |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1280 |
(false, @{thms fNot_def [THEN Meson.iff_to_disjD, THEN conjunct1] |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1281 |
fNot_def [THEN Meson.iff_to_disjD, THEN conjunct2]})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1282 |
("fconj", |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1283 |
(false, |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1284 |
@{lemma "~ P | ~ Q | fconj P Q" "~ fconj P Q | P" "~ fconj P Q | Q" |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1285 |
by (unfold fconj_def) fast+})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1286 |
("fdisj", |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1287 |
(false, |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1288 |
@{lemma "~ P | fdisj P Q" "~ Q | fdisj P Q" "~ fdisj P Q | P | Q" |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1289 |
by (unfold fdisj_def) fast+})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1290 |
("fimplies", |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1291 |
(false, @{lemma "P | fimplies P Q" "~ Q | fimplies P Q" |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1292 |
"~ fimplies P Q | ~ P | Q" |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1293 |
by (unfold fimplies_def) fast+})), |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1294 |
("If", (true, @{thms if_True if_False True_or_False}))] |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1295 |
|> map (apsnd (apsnd (map zero_var_indexes))) |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1296 |
|
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1297 |
val type_tag = `make_fixed_const type_tag_name |
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1298 |
|
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1299 |
fun type_tag_idempotence_fact () = |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1300 |
let |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1301 |
fun var s = ATerm (`I s, []) |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1302 |
fun tag tm = ATerm (type_tag, [var "T", tm]) |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1303 |
val tagged_x = tag (var "X") |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1304 |
in |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1305 |
Formula (type_tag_idempotence_helper_name, Axiom, |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1306 |
AAtom (ATerm (`I tptp_equal, [tag tagged_x, tagged_x])) |
42879 | 1307 |
|> close_formula_universally, simp_info, NONE) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1308 |
end |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1309 |
|
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1310 |
fun should_specialize_helper type_sys t = |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1311 |
case general_type_arg_policy type_sys of |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1312 |
Mangled_Type_Args _ => not (null (Term.hidden_polymorphism t)) |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1313 |
| _ => false |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1314 |
|
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1315 |
fun helper_facts_for_sym ctxt format type_sys (s, {types, ...} : sym_info) = |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1316 |
case strip_prefix_and_unascii const_prefix s of |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1317 |
SOME mangled_s => |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1318 |
let |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1319 |
val thy = Proof_Context.theory_of ctxt |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1320 |
val unmangled_s = mangled_s |> unmangled_const_name |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1321 |
fun dub_and_inst needs_fairly_sound (th, j) = |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1322 |
((unmangled_s ^ "_" ^ string_of_int j ^ |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1323 |
(if mangled_s = unmangled_s then "" else "_" ^ ascii_of mangled_s) ^ |
42893
fd4babefe3f2
prevent unsound combinator proofs in partially typed polymorphic type systems
blanchet
parents:
42886
diff
changeset
|
1324 |
(if needs_fairly_sound then typed_helper_suffix |
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1325 |
else untyped_helper_suffix), |
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1326 |
General), |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1327 |
let val t = th |> prop_of in |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1328 |
t |> should_specialize_helper type_sys t |
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1329 |
? (case types of |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1330 |
[T] => specialize_type thy (invert_const unmangled_s, T) |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1331 |
| _ => I) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1332 |
end) |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1333 |
val make_facts = |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1334 |
map_filter (make_fact ctxt format type_sys false false false false) |
42893
fd4babefe3f2
prevent unsound combinator proofs in partially typed polymorphic type systems
blanchet
parents:
42886
diff
changeset
|
1335 |
val fairly_sound = is_type_sys_fairly_sound type_sys |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1336 |
in |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1337 |
helper_table |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1338 |
|> maps (fn (helper_s, (needs_fairly_sound, ths)) => |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1339 |
if helper_s <> unmangled_s orelse |
42894
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1340 |
(needs_fairly_sound andalso not fairly_sound) then |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1341 |
[] |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1342 |
else |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1343 |
ths ~~ (1 upto length ths) |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1344 |
|> map (dub_and_inst needs_fairly_sound) |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1345 |
|> make_facts) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1346 |
end |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1347 |
| NONE => [] |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1348 |
fun helper_facts_for_sym_table ctxt format type_sys sym_tab = |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1349 |
Symtab.fold_rev (append o helper_facts_for_sym ctxt format type_sys) sym_tab |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1350 |
[] |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1351 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1352 |
fun translate_atp_fact ctxt format type_sys keep_trivial = |
43096 | 1353 |
`(make_fact ctxt format type_sys keep_trivial true true true o apsnd prop_of) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1354 |
|
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1355 |
(***************************************************************) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1356 |
(* Type Classes Present in the Axiom or Conjecture Clauses *) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1357 |
(***************************************************************) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1358 |
|
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1359 |
fun set_insert (x, s) = Symtab.update (x, ()) s |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1360 |
|
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1361 |
fun add_classes (sorts, cset) = List.foldl set_insert cset (flat sorts) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1362 |
|
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1363 |
(* Remove this trivial type class (FIXME: similar code elsewhere) *) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1364 |
fun delete_type cset = Symtab.delete_safe (the_single @{sort HOL.type}) cset |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1365 |
|
43093 | 1366 |
fun classes_of_terms get_Ts = |
43121 | 1367 |
map (map snd o get_Ts) |
43093 | 1368 |
#> List.foldl add_classes Symtab.empty |
1369 |
#> delete_type #> Symtab.keys |
|
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1370 |
|
43093 | 1371 |
val tfree_classes_of_terms = classes_of_terms OldTerm.term_tfrees |
1372 |
val tvar_classes_of_terms = classes_of_terms OldTerm.term_tvars |
|
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1373 |
|
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1374 |
(*fold type constructors*) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1375 |
fun fold_type_consts f (Type (a, Ts)) x = fold (fold_type_consts f) Ts (f (a,x)) |
43093 | 1376 |
| fold_type_consts _ _ x = x |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1377 |
|
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1378 |
(*Type constructors used to instantiate overloaded constants are the only ones needed.*) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1379 |
fun add_type_consts_in_term thy = |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1380 |
let |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1381 |
fun aux (Const (@{const_name Meson.skolem}, _) $ _) = I |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1382 |
| aux (t $ u) = aux t #> aux u |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1383 |
| aux (Const x) = |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1384 |
fold (fold_type_consts set_insert) (Sign.const_typargs thy x) |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1385 |
| aux (Abs (_, _, u)) = aux u |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1386 |
| aux _ = I |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1387 |
in aux end |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1388 |
|
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1389 |
fun type_consts_of_terms thy ts = |
43093 | 1390 |
Symtab.keys (fold (add_type_consts_in_term thy) ts Symtab.empty) |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1391 |
|
43096 | 1392 |
fun translate_formulas ctxt format prem_kind type_sys preproc hyp_ts concl_t |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1393 |
rich_facts = |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1394 |
let |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1395 |
val thy = Proof_Context.theory_of ctxt |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1396 |
val fact_ts = map (prop_of o snd o snd) rich_facts |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1397 |
val (facts, fact_names) = |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1398 |
rich_facts |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1399 |
|> map_filter (fn (NONE, _) => NONE |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1400 |
| (SOME fact, (name, _)) => SOME (fact, name)) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1401 |
|> ListPair.unzip |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1402 |
(* Remove existing facts from the conjecture, as this can dramatically |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1403 |
boost an ATP's performance (for some reason). *) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1404 |
val hyp_ts = hyp_ts |> filter_out (member (op aconv) fact_ts) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1405 |
val goal_t = Logic.list_implies (hyp_ts, concl_t) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1406 |
val all_ts = goal_t :: fact_ts |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1407 |
val subs = tfree_classes_of_terms all_ts |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1408 |
val supers = tvar_classes_of_terms all_ts |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1409 |
val tycons = type_consts_of_terms thy all_ts |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1410 |
val conjs = |
43096 | 1411 |
hyp_ts @ [concl_t] |
1412 |
|> make_conjecture ctxt format prem_kind type_sys preproc |
|
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1413 |
val (supers', arity_clauses) = |
42589
9f7c48463645
restructured type systems some more -- the old naming schemes had "argshg diff |less" and "tagshg diff |less" as equivalent and didn't support a monomorphic version of "tags"
blanchet
parents:
42586
diff
changeset
|
1414 |
if level_of_type_sys type_sys = No_Types then ([], []) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1415 |
else make_arity_clauses thy tycons supers |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1416 |
val class_rel_clauses = make_class_rel_clauses thy subs supers' |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1417 |
in |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1418 |
(fact_names |> map single, (conjs, facts, class_rel_clauses, arity_clauses)) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1419 |
end |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1420 |
|
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1421 |
fun fo_literal_from_type_literal (TyLitVar (class, name)) = |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1422 |
(true, ATerm (class, [ATerm (name, [])])) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1423 |
| fo_literal_from_type_literal (TyLitFree (class, name)) = |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1424 |
(true, ATerm (class, [ATerm (name, [])])) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1425 |
|
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1426 |
fun formula_from_fo_literal (pos, t) = AAtom t |> not pos ? mk_anot |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1427 |
|
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1428 |
val type_pred = `make_fixed_const type_pred_name |
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1429 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1430 |
fun type_pred_combterm ctxt nonmono_Ts type_sys T tm = |
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1431 |
CombApp (CombConst (type_pred, T --> @{typ bool}, [T]) |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1432 |
|> enforce_type_arg_policy_in_combterm ctxt nonmono_Ts type_sys, |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1433 |
tm) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1434 |
|
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1435 |
fun var_occurs_positively_naked_in_term _ (SOME false) _ accum = accum |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1436 |
| var_occurs_positively_naked_in_term name _ (ATerm ((s, _), tms)) accum = |
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
1437 |
accum orelse (is_tptp_equal s andalso member (op =) tms (ATerm (name, []))) |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1438 |
fun is_var_nonmonotonic_in_formula _ _ (SOME false) _ = false |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1439 |
| is_var_nonmonotonic_in_formula pos phi _ name = |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1440 |
formula_fold pos (var_occurs_positively_naked_in_term name) phi false |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1441 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1442 |
fun mk_const_aterm x T_args args = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1443 |
ATerm (x, map (fo_term_from_typ false) T_args @ args) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1444 |
|
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1445 |
fun tag_with_type ctxt format nonmono_Ts type_sys T tm = |
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset
|
1446 |
CombConst (type_tag, T --> T, [T]) |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1447 |
|> enforce_type_arg_policy_in_combterm ctxt nonmono_Ts type_sys |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1448 |
|> term_from_combterm ctxt format nonmono_Ts type_sys Top_Level |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1449 |
|> (fn ATerm (s, tms) => ATerm (s, tms @ [tm])) |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1450 |
and term_from_combterm ctxt format nonmono_Ts type_sys = |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1451 |
let |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1452 |
fun aux site u = |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1453 |
let |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1454 |
val (head, args) = strip_combterm_comb u |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1455 |
val (x as (s, _), T_args) = |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1456 |
case head of |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1457 |
CombConst (name, _, T_args) => (name, T_args) |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1458 |
| CombVar (name, _) => (name, []) |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1459 |
| CombApp _ => raise Fail "impossible \"CombApp\"" |
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
1460 |
val arg_site = if site = Top_Level andalso is_tptp_equal s then Eq_Arg |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1461 |
else Elsewhere |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1462 |
val t = mk_const_aterm x T_args (map (aux arg_site) args) |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1463 |
val T = combtyp_of u |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1464 |
in |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1465 |
t |> (if should_tag_with_type ctxt nonmono_Ts type_sys site u T then |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1466 |
tag_with_type ctxt format nonmono_Ts type_sys T |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1467 |
else |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1468 |
I) |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1469 |
end |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1470 |
in aux end |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1471 |
and formula_from_combformula ctxt format nonmono_Ts type_sys |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1472 |
should_predicate_on_var = |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1473 |
let |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1474 |
val higher_order = is_setting_higher_order format type_sys |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1475 |
val do_term = term_from_combterm ctxt format nonmono_Ts type_sys Top_Level |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1476 |
val do_bound_type = |
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
1477 |
case type_sys of |
42722 | 1478 |
Simple_Types level => |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1479 |
homogenized_type ctxt nonmono_Ts level 0 |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1480 |
#> mangled_type higher_order false 0 #> SOME |
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
1481 |
| _ => K NONE |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1482 |
fun do_out_of_bound_type pos phi universal (name, T) = |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1483 |
if should_predicate_on_type ctxt nonmono_Ts type_sys |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1484 |
(fn () => should_predicate_on_var pos phi universal name) T then |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1485 |
CombVar (name, T) |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1486 |
|> type_pred_combterm ctxt nonmono_Ts type_sys T |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1487 |
|> do_term |> AAtom |> SOME |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1488 |
else |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1489 |
NONE |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1490 |
fun do_formula pos (AQuant (q, xs, phi)) = |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1491 |
let |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1492 |
val phi = phi |> do_formula pos |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1493 |
val universal = Option.map (q = AExists ? not) pos |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1494 |
in |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1495 |
AQuant (q, xs |> map (apsnd (fn NONE => NONE |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1496 |
| SOME T => do_bound_type T)), |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1497 |
(if q = AForall then mk_ahorn else fold_rev (mk_aconn AAnd)) |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1498 |
(map_filter |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1499 |
(fn (_, NONE) => NONE |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1500 |
| (s, SOME T) => |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1501 |
do_out_of_bound_type pos phi universal (s, T)) |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1502 |
xs) |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1503 |
phi) |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1504 |
end |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1505 |
| do_formula pos (AConn conn) = aconn_map pos do_formula conn |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1506 |
| do_formula _ (AAtom tm) = AAtom (do_term tm) |
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1507 |
in do_formula o SOME end |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1508 |
|
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1509 |
fun bound_tvars type_sys Ts = |
42727
f365f5138771
ensure type class predicates are generated in symbol declarations (for "poly_preds" and similar)
blanchet
parents:
42726
diff
changeset
|
1510 |
mk_ahorn (map (formula_from_fo_literal o fo_literal_from_type_literal) |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1511 |
(type_literals_for_types type_sys sorts_on_tvar Ts)) |
42727
f365f5138771
ensure type class predicates are generated in symbol declarations (for "poly_preds" and similar)
blanchet
parents:
42726
diff
changeset
|
1512 |
|
42956
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1513 |
fun formula_for_fact ctxt format nonmono_Ts type_sys |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1514 |
({combformula, atomic_types, ...} : translated_formula) = |
42727
f365f5138771
ensure type class predicates are generated in symbol declarations (for "poly_preds" and similar)
blanchet
parents:
42726
diff
changeset
|
1515 |
combformula |
f365f5138771
ensure type class predicates are generated in symbol declarations (for "poly_preds" and similar)
blanchet
parents:
42726
diff
changeset
|
1516 |
|> close_combformula_universally |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1517 |
|> formula_from_combformula ctxt format nonmono_Ts type_sys |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1518 |
is_var_nonmonotonic_in_formula true |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1519 |
|> bound_tvars type_sys atomic_types |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1520 |
|> close_formula_universally |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1521 |
|
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1522 |
(* Each fact is given a unique fact number to avoid name clashes (e.g., because |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1523 |
of monomorphization). The TPTP explicitly forbids name clashes, and some of |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1524 |
the remote provers might care. *) |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1525 |
fun formula_line_for_fact ctxt format prefix encode freshen nonmono_Ts type_sys |
42640
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset
|
1526 |
(j, formula as {name, locality, kind, ...}) = |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1527 |
Formula (prefix ^ |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1528 |
(if freshen andalso |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1529 |
polymorphism_of_type_sys type_sys <> Polymorphic then |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1530 |
string_of_int j ^ "_" |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1531 |
else |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1532 |
"") ^ encode name, |
42956
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1533 |
kind, formula_for_fact ctxt format nonmono_Ts type_sys formula, NONE, |
42879 | 1534 |
case locality of |
1535 |
Intro => intro_info |
|
1536 |
| Elim => elim_info |
|
1537 |
| Simp => simp_info |
|
1538 |
| _ => NONE) |
|
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1539 |
|
43086 | 1540 |
fun formula_line_for_class_rel_clause ({name, subclass, superclass, ...} |
1541 |
: class_rel_clause) = |
|
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1542 |
let val ty_arg = ATerm (`I "T", []) in |
42577
78414ec6fa4e
made the format (TFF or FOF) of the TPTP problem a global argument of the problem again and have the ATPs report which formats they support
blanchet
parents:
42576
diff
changeset
|
1543 |
Formula (class_rel_clause_prefix ^ ascii_of name, Axiom, |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1544 |
AConn (AImplies, [AAtom (ATerm (subclass, [ty_arg])), |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1545 |
AAtom (ATerm (superclass, [ty_arg]))]) |
42879 | 1546 |
|> close_formula_universally, intro_info, NONE) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1547 |
end |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1548 |
|
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1549 |
fun fo_literal_from_arity_literal (TConsLit (c, t, args)) = |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1550 |
(true, ATerm (c, [ATerm (t, map (fn arg => ATerm (arg, [])) args)])) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1551 |
| fo_literal_from_arity_literal (TVarLit (c, sort)) = |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1552 |
(false, ATerm (c, [ATerm (sort, [])])) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1553 |
|
43086 | 1554 |
fun formula_line_for_arity_clause ({name, prem_lits, concl_lits, ...} |
1555 |
: arity_clause) = |
|
42577
78414ec6fa4e
made the format (TFF or FOF) of the TPTP problem a global argument of the problem again and have the ATPs report which formats they support
blanchet
parents:
42576
diff
changeset
|
1556 |
Formula (arity_clause_prefix ^ ascii_of name, Axiom, |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1557 |
mk_ahorn (map (formula_from_fo_literal o apfst not |
42895 | 1558 |
o fo_literal_from_arity_literal) prem_lits) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1559 |
(formula_from_fo_literal |
42895 | 1560 |
(fo_literal_from_arity_literal concl_lits)) |
42879 | 1561 |
|> close_formula_universally, intro_info, NONE) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1562 |
|
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1563 |
fun formula_line_for_conjecture ctxt format nonmono_Ts type_sys |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1564 |
({name, kind, combformula, atomic_types, ...} : translated_formula) = |
42577
78414ec6fa4e
made the format (TFF or FOF) of the TPTP problem a global argument of the problem again and have the ATPs report which formats they support
blanchet
parents:
42576
diff
changeset
|
1565 |
Formula (conjecture_prefix ^ name, kind, |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1566 |
formula_from_combformula ctxt format nonmono_Ts type_sys |
42939 | 1567 |
is_var_nonmonotonic_in_formula false |
1568 |
(close_combformula_universally combformula) |
|
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1569 |
|> bound_tvars type_sys atomic_types |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1570 |
|> close_formula_universally, NONE, NONE) |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1571 |
|
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1572 |
fun free_type_literals type_sys ({atomic_types, ...} : translated_formula) = |
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1573 |
atomic_types |> type_literals_for_types type_sys sorts_on_tfree |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1574 |
|> map fo_literal_from_type_literal |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1575 |
|
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1576 |
fun formula_line_for_free_type j lit = |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1577 |
Formula (tfree_clause_prefix ^ string_of_int j, Hypothesis, |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1578 |
formula_from_fo_literal lit, NONE, NONE) |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1579 |
fun formula_lines_for_free_types type_sys facts = |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1580 |
let |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1581 |
val litss = map (free_type_literals type_sys) facts |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1582 |
val lits = fold (union (op =)) litss [] |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1583 |
in map2 formula_line_for_free_type (0 upto length lits - 1) lits end |
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1584 |
|
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1585 |
(** Symbol declarations **) |
42544
75cb06eee990
reimplemented the hAPP introduction code so that it's done earlier, when the types are still available
blanchet
parents:
42543
diff
changeset
|
1586 |
|
42574 | 1587 |
fun should_declare_sym type_sys pred_sym s = |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1588 |
is_tptp_user_symbol s andalso not (String.isPrefix bound_var_prefix s) andalso |
42894
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1589 |
(case type_sys of |
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1590 |
Simple_Types _ => true |
43128 | 1591 |
| Tags (_, _, Lightweight) => true |
42894
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1592 |
| _ => not pred_sym) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1593 |
|
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1594 |
fun sym_decl_table_for_facts ctxt type_sys repaired_sym_tab (conjs, facts) = |
42574 | 1595 |
let |
42698
ffd1ae4ff5c6
help SOS by ensuring that typing information is marked as part of the conjecture + be more precise w.r.t. typedefs in monotonicity check
blanchet
parents:
42697
diff
changeset
|
1596 |
fun add_combterm in_conj tm = |
42574 | 1597 |
let val (head, args) = strip_combterm_comb tm in |
1598 |
(case head of |
|
1599 |
CombConst ((s, s'), T, T_args) => |
|
1600 |
let val pred_sym = is_pred_sym repaired_sym_tab s in |
|
1601 |
if should_declare_sym type_sys pred_sym s then |
|
42576
a8a80a2a34be
merge symbol declarations that are type-instances of each other -- useful for type system "Args true" with monomorphization turned off
blanchet
parents:
42575
diff
changeset
|
1602 |
Symtab.map_default (s, []) |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1603 |
(insert_type ctxt #3 (s', T_args, T, pred_sym, length args, |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1604 |
in_conj)) |
42574 | 1605 |
else |
1606 |
I |
|
1607 |
end |
|
1608 |
| _ => I) |
|
42698
ffd1ae4ff5c6
help SOS by ensuring that typing information is marked as part of the conjecture + be more precise w.r.t. typedefs in monotonicity check
blanchet
parents:
42697
diff
changeset
|
1609 |
#> fold (add_combterm in_conj) args |
42574 | 1610 |
end |
42698
ffd1ae4ff5c6
help SOS by ensuring that typing information is marked as part of the conjecture + be more precise w.r.t. typedefs in monotonicity check
blanchet
parents:
42697
diff
changeset
|
1611 |
fun add_fact in_conj = |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1612 |
fact_lift (formula_fold NONE (K (add_combterm in_conj))) |
42698
ffd1ae4ff5c6
help SOS by ensuring that typing information is marked as part of the conjecture + be more precise w.r.t. typedefs in monotonicity check
blanchet
parents:
42697
diff
changeset
|
1613 |
in |
ffd1ae4ff5c6
help SOS by ensuring that typing information is marked as part of the conjecture + be more precise w.r.t. typedefs in monotonicity check
blanchet
parents:
42697
diff
changeset
|
1614 |
Symtab.empty |
ffd1ae4ff5c6
help SOS by ensuring that typing information is marked as part of the conjecture + be more precise w.r.t. typedefs in monotonicity check
blanchet
parents:
42697
diff
changeset
|
1615 |
|> is_type_sys_fairly_sound type_sys |
ffd1ae4ff5c6
help SOS by ensuring that typing information is marked as part of the conjecture + be more precise w.r.t. typedefs in monotonicity check
blanchet
parents:
42697
diff
changeset
|
1616 |
? (fold (add_fact true) conjs #> fold (add_fact false) facts) |
ffd1ae4ff5c6
help SOS by ensuring that typing information is marked as part of the conjecture + be more precise w.r.t. typedefs in monotonicity check
blanchet
parents:
42697
diff
changeset
|
1617 |
end |
42533 | 1618 |
|
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1619 |
(* These types witness that the type classes they belong to allow infinite |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1620 |
models and hence that any types with these type classes is monotonic. *) |
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1621 |
val known_infinite_types = |
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset
|
1622 |
[@{typ nat}, Type ("Int.int", []), @{typ "nat => bool"}] |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1623 |
|
42685 | 1624 |
(* This inference is described in section 2.3 of Claessen et al.'s "Sorting it |
1625 |
out with monotonicity" paper presented at CADE 2011. *) |
|
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1626 |
fun add_combterm_nonmonotonic_types _ _ (SOME false) _ = I |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1627 |
| add_combterm_nonmonotonic_types ctxt level _ |
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
1628 |
(CombApp (CombApp (CombConst ((s, _), Type (_, [T, _]), _), tm1), tm2)) = |
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
1629 |
(is_tptp_equal s andalso exists is_var_or_bound_var [tm1, tm2] andalso |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1630 |
(case level of |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1631 |
Nonmonotonic_Types => |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1632 |
not (is_type_surely_infinite ctxt known_infinite_types T) |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1633 |
| Finite_Types => is_type_surely_finite ctxt T |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1634 |
| _ => true)) ? insert_type ctxt I (deep_freeze_type T) |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1635 |
| add_combterm_nonmonotonic_types _ _ _ _ = I |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1636 |
fun add_fact_nonmonotonic_types ctxt level ({kind, combformula, ...} |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1637 |
: translated_formula) = |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1638 |
formula_fold (SOME (kind <> Conjecture)) |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1639 |
(add_combterm_nonmonotonic_types ctxt level) combformula |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1640 |
fun nonmonotonic_types_for_facts ctxt type_sys facts = |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1641 |
let val level = level_of_type_sys type_sys in |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1642 |
if level = Nonmonotonic_Types orelse level = Finite_Types then |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1643 |
[] |> fold (add_fact_nonmonotonic_types ctxt level) facts |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1644 |
(* We must add "bool" in case the helper "True_or_False" is added |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1645 |
later. In addition, several places in the code rely on the list of |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1646 |
nonmonotonic types not being empty. *) |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1647 |
|> insert_type ctxt I @{typ bool} |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1648 |
else |
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1649 |
[] |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1650 |
end |
42677
25496cd3c199
monotonic type inference in ATP Sledgehammer problems -- based on Claessen & al.'s CADE 2011 paper, Sect. 2.3.
blanchet
parents:
42675
diff
changeset
|
1651 |
|
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1652 |
fun decl_line_for_sym ctxt format nonmono_Ts type_sys s |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1653 |
(s', T_args, T, pred_sym, ary, _) = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1654 |
let |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1655 |
val (higher_order, T_arg_Ts, level) = |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1656 |
case type_sys of |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1657 |
Simple_Types level => (format = THF, [], level) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1658 |
| _ => (false, replicate (length T_args) homo_infinite_type, No_Types) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1659 |
in |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1660 |
Decl (sym_decl_prefix ^ s, (s, s'), |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1661 |
(T_arg_Ts ---> (T |> homogenized_type ctxt nonmono_Ts level ary)) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1662 |
|> mangled_type higher_order pred_sym (length T_arg_Ts + ary)) |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1663 |
end |
42579
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1664 |
|
42592
fa2cf11d6351
beware of polymorphic types in typed translation symbol declarations -- match alpha-equivalent types and, more importantly, prevent unsoundnesses by generating type constraints on the arguments of a polymorphic symbols (otherwise "hAPP" can be given any result type)
blanchet
parents:
42589
diff
changeset
|
1665 |
fun is_polymorphic_type T = fold_atyps (fn TVar _ => K true | _ => I) T false |
fa2cf11d6351
beware of polymorphic types in typed translation symbol declarations -- match alpha-equivalent types and, more importantly, prevent unsoundnesses by generating type constraints on the arguments of a polymorphic symbols (otherwise "hAPP" can be given any result type)
blanchet
parents:
42589
diff
changeset
|
1666 |
|
43125
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset
|
1667 |
fun formula_line_for_preds_sym_decl ctxt format conj_sym_kind nonmono_Ts |
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset
|
1668 |
type_sys n s j (s', T_args, T, _, ary, in_conj) = |
42579
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1669 |
let |
42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
1670 |
val (kind, maybe_negate) = |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
1671 |
if in_conj then (conj_sym_kind, conj_sym_kind = Conjecture ? mk_anot) |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
1672 |
else (Axiom, I) |
42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset
|
1673 |
val (arg_Ts, res_T) = chop_fun ary T |
42579
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1674 |
val bound_names = |
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1675 |
1 upto length arg_Ts |> map (`I o make_bound_var o string_of_int) |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1676 |
val bounds = |
42579
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1677 |
bound_names ~~ arg_Ts |> map (fn (name, T) => CombConst (name, T, [])) |
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1678 |
val bound_Ts = |
42592
fa2cf11d6351
beware of polymorphic types in typed translation symbol declarations -- match alpha-equivalent types and, more importantly, prevent unsoundnesses by generating type constraints on the arguments of a polymorphic symbols (otherwise "hAPP" can be given any result type)
blanchet
parents:
42589
diff
changeset
|
1679 |
arg_Ts |> map (fn T => if n > 1 orelse is_polymorphic_type T then SOME T |
fa2cf11d6351
beware of polymorphic types in typed translation symbol declarations -- match alpha-equivalent types and, more importantly, prevent unsoundnesses by generating type constraints on the arguments of a polymorphic symbols (otherwise "hAPP" can be given any result type)
blanchet
parents:
42589
diff
changeset
|
1680 |
else NONE) |
42579
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1681 |
in |
43125
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset
|
1682 |
Formula (preds_sym_formula_prefix ^ s ^ |
42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
1683 |
(if n > 1 then "_" ^ string_of_int j else ""), kind, |
42579
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1684 |
CombConst ((s, s'), T, T_args) |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1685 |
|> fold (curry (CombApp o swap)) bounds |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1686 |
|> type_pred_combterm ctxt nonmono_Ts type_sys res_T |
42963 | 1687 |
|> AAtom |> mk_aquant AForall (bound_names ~~ bound_Ts) |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1688 |
|> formula_from_combformula ctxt format nonmono_Ts type_sys |
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset
|
1689 |
(K (K (K (K true)))) true |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1690 |
|> n > 1 ? bound_tvars type_sys (atyps_of T) |
42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
1691 |
|> close_formula_universally |
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
1692 |
|> maybe_negate, |
42879 | 1693 |
intro_info, NONE) |
42579
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1694 |
end |
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1695 |
|
43129 | 1696 |
fun formula_lines_for_lightweight_tags_sym_decl ctxt format conj_sym_kind |
1697 |
nonmono_Ts type_sys n s (j, (s', T_args, T, pred_sym, ary, in_conj)) = |
|
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1698 |
let |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1699 |
val ident_base = |
43129 | 1700 |
lightweight_tags_sym_formula_prefix ^ s ^ |
43125
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset
|
1701 |
(if n > 1 then "_" ^ string_of_int j else "") |
42852
40649ab0cead
honor "conj_sym_kind" also for tag symbol declarations
blanchet
parents:
42851
diff
changeset
|
1702 |
val (kind, maybe_negate) = |
40649ab0cead
honor "conj_sym_kind" also for tag symbol declarations
blanchet
parents:
42851
diff
changeset
|
1703 |
if in_conj then (conj_sym_kind, conj_sym_kind = Conjecture ? mk_anot) |
40649ab0cead
honor "conj_sym_kind" also for tag symbol declarations
blanchet
parents:
42851
diff
changeset
|
1704 |
else (Axiom, I) |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1705 |
val (arg_Ts, res_T) = chop_fun ary T |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1706 |
val bound_names = |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1707 |
1 upto length arg_Ts |> map (`I o make_bound_var o string_of_int) |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1708 |
val bounds = bound_names |> map (fn name => ATerm (name, [])) |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1709 |
val cst = mk_const_aterm (s, s') T_args |
42830
1068d8fc1331
generate type classes predicates in new "shallow" encoding
blanchet
parents:
42829
diff
changeset
|
1710 |
val atomic_Ts = atyps_of T |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1711 |
fun eq tms = |
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1712 |
(if pred_sym then AConn (AIff, map AAtom tms) |
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset
|
1713 |
else AAtom (ATerm (`I tptp_equal, tms))) |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1714 |
|> bound_tvars type_sys atomic_Ts |
42830
1068d8fc1331
generate type classes predicates in new "shallow" encoding
blanchet
parents:
42829
diff
changeset
|
1715 |
|> close_formula_universally |
42852
40649ab0cead
honor "conj_sym_kind" also for tag symbol declarations
blanchet
parents:
42851
diff
changeset
|
1716 |
|> maybe_negate |
42836 | 1717 |
val should_encode = should_encode_type ctxt nonmono_Ts All_Types |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1718 |
val tag_with = tag_with_type ctxt format nonmono_Ts type_sys |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1719 |
val add_formula_for_res = |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1720 |
if should_encode res_T then |
42852
40649ab0cead
honor "conj_sym_kind" also for tag symbol declarations
blanchet
parents:
42851
diff
changeset
|
1721 |
cons (Formula (ident_base ^ "_res", kind, |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1722 |
eq [tag_with res_T (cst bounds), cst bounds], |
42879 | 1723 |
simp_info, NONE)) |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1724 |
else |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1725 |
I |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1726 |
fun add_formula_for_arg k = |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1727 |
let val arg_T = nth arg_Ts k in |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1728 |
if should_encode arg_T then |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1729 |
case chop k bounds of |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1730 |
(bounds1, bound :: bounds2) => |
42852
40649ab0cead
honor "conj_sym_kind" also for tag symbol declarations
blanchet
parents:
42851
diff
changeset
|
1731 |
cons (Formula (ident_base ^ "_arg" ^ string_of_int (k + 1), kind, |
42994
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1732 |
eq [cst (bounds1 @ tag_with arg_T bound :: bounds2), |
fe291ab75eb5
towards supporting non-simply-typed encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset
|
1733 |
cst bounds], |
42879 | 1734 |
simp_info, NONE)) |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1735 |
| _ => raise Fail "expected nonempty tail" |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1736 |
else |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1737 |
I |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1738 |
end |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1739 |
in |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1740 |
[] |> not pred_sym ? add_formula_for_res |
42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1741 |
|> fold add_formula_for_arg (ary - 1 downto 0) |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1742 |
end |
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset
|
1743 |
|
42836 | 1744 |
fun result_type_of_decl (_, _, T, _, ary, _) = chop_fun ary T |> snd |
1745 |
||
42956
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1746 |
fun problem_lines_for_sym_decls ctxt format conj_sym_kind nonmono_Ts type_sys |
42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset
|
1747 |
(s, decls) = |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1748 |
case type_sys of |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1749 |
Simple_Types _ => |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1750 |
decls |> map (decl_line_for_sym ctxt format nonmono_Ts type_sys s) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1751 |
| Preds _ => |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1752 |
let |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1753 |
val decls = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1754 |
case decls of |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1755 |
decl :: (decls' as _ :: _) => |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1756 |
let val T = result_type_of_decl decl in |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1757 |
if forall (curry (type_instance ctxt o swap) T |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1758 |
o result_type_of_decl) decls' then |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1759 |
[decl] |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1760 |
else |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1761 |
decls |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1762 |
end |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1763 |
| _ => decls |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1764 |
val n = length decls |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1765 |
val decls = |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1766 |
decls |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1767 |
|> filter (should_predicate_on_type ctxt nonmono_Ts type_sys (K true) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1768 |
o result_type_of_decl) |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1769 |
in |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1770 |
(0 upto length decls - 1, decls) |
43125
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset
|
1771 |
|-> map2 (formula_line_for_preds_sym_decl ctxt format conj_sym_kind |
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset
|
1772 |
nonmono_Ts type_sys n s) |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1773 |
end |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1774 |
| Tags (_, _, heaviness) => |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1775 |
(case heaviness of |
43128 | 1776 |
Heavyweight => [] |
1777 |
| Lightweight => |
|
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1778 |
let val n = length decls in |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1779 |
(0 upto n - 1 ~~ decls) |
43129 | 1780 |
|> maps (formula_lines_for_lightweight_tags_sym_decl ctxt format |
1781 |
conj_sym_kind nonmono_Ts type_sys n s) |
|
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1782 |
end) |
42579
2552c09b1a72
implement the new ATP type system in Sledgehammer
blanchet
parents:
42577
diff
changeset
|
1783 |
|
42956
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1784 |
fun problem_lines_for_sym_decl_table ctxt format conj_sym_kind nonmono_Ts |
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1785 |
type_sys sym_decl_tab = |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1786 |
sym_decl_tab |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1787 |
|> Symtab.dest |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1788 |
|> sort_wrt fst |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1789 |
|> rpair [] |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1790 |
|-> fold_rev (append o problem_lines_for_sym_decls ctxt format conj_sym_kind |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1791 |
nonmono_Ts type_sys) |
42543
f9d402d144d4
declare TFF types so that SNARK can be used with types
blanchet
parents:
42542
diff
changeset
|
1792 |
|
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1793 |
fun needs_type_tag_idempotence (Tags (Polymorphic, level, Heavyweight)) = |
42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
1794 |
level = Nonmonotonic_Types orelse level = Finite_Types |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1795 |
| needs_type_tag_idempotence _ = false |
42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset
|
1796 |
|
42939 | 1797 |
fun offset_of_heading_in_problem _ [] j = j |
1798 |
| offset_of_heading_in_problem needle ((heading, lines) :: problem) j = |
|
1799 |
if heading = needle then j |
|
1800 |
else offset_of_heading_in_problem needle problem (j + length lines) |
|
1801 |
||
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1802 |
val implicit_declsN = "Should-be-implicit typings" |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1803 |
val explicit_declsN = "Explicit typings" |
41157 | 1804 |
val factsN = "Relevant facts" |
1805 |
val class_relsN = "Class relationships" |
|
42543
f9d402d144d4
declare TFF types so that SNARK can be used with types
blanchet
parents:
42542
diff
changeset
|
1806 |
val aritiesN = "Arities" |
41157 | 1807 |
val helpersN = "Helper facts" |
1808 |
val conjsN = "Conjectures" |
|
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1809 |
val free_typesN = "Type variables" |
41157 | 1810 |
|
42939 | 1811 |
fun prepare_atp_problem ctxt format conj_sym_kind prem_kind type_sys |
43096 | 1812 |
explicit_apply readable_names preproc hyp_ts concl_t |
1813 |
facts = |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1814 |
let |
43101
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset
|
1815 |
val (format, type_sys) = choose_format [format] type_sys |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1816 |
val (fact_names, (conjs, facts, class_rel_clauses, arity_clauses)) = |
43096 | 1817 |
translate_formulas ctxt format prem_kind type_sys preproc hyp_ts concl_t |
1818 |
facts |
|
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1819 |
val sym_tab = conjs @ facts |> sym_table_for_facts ctxt explicit_apply |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1820 |
val nonmono_Ts = conjs @ facts |> nonmonotonic_types_for_facts ctxt type_sys |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1821 |
val repair = repair_fact ctxt format nonmono_Ts type_sys sym_tab |
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFF-types)
blanchet
parents:
42680
diff
changeset
|
1822 |
val (conjs, facts) = (conjs, facts) |> pairself (map repair) |
43064
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1823 |
val repaired_sym_tab = |
b6e61d22fa61
made "explicit_apply" smarter -- no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset
|
1824 |
conjs @ facts |> sym_table_for_facts ctxt (SOME false) |
42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset
|
1825 |
val helpers = |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1826 |
repaired_sym_tab |> helper_facts_for_sym_table ctxt format type_sys |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1827 |
|> map repair |
42894
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1828 |
val lavish_nonmono_Ts = |
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1829 |
if null nonmono_Ts orelse |
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1830 |
polymorphism_of_type_sys type_sys <> Polymorphic then |
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1831 |
nonmono_Ts |
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1832 |
else |
ce269ee43800
further improvements to "poly_{preds,tags}_{bang,query}" -- better solution to the combinator problem + make sure type assumptions can be discharged
blanchet
parents:
42893
diff
changeset
|
1833 |
[TVar (("'a", 0), HOLogic.typeS)] |
42680 | 1834 |
val sym_decl_lines = |
42731
2490e5e2f3f5
gracefully declare fTrue and fFalse proxies' types if the constants only appear in the helpers
blanchet
parents:
42730
diff
changeset
|
1835 |
(conjs, helpers @ facts) |
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset
|
1836 |
|> sym_decl_table_for_facts ctxt type_sys repaired_sym_tab |
42956
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1837 |
|> problem_lines_for_sym_decl_table ctxt format conj_sym_kind |
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1838 |
lavish_nonmono_Ts type_sys |
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1839 |
val helper_lines = |
42956
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1840 |
0 upto length helpers - 1 ~~ helpers |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1841 |
|> map (formula_line_for_fact ctxt format helper_prefix I false |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1842 |
lavish_nonmono_Ts type_sys) |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1843 |
|> (if needs_type_tag_idempotence type_sys then |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1844 |
cons (type_tag_idempotence_fact ()) |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1845 |
else |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1846 |
I) |
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset
|
1847 |
(* Reordering these might confuse the proof reconstruction code or the SPASS |
43039 | 1848 |
FLOTTER hack. *) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1849 |
val problem = |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1850 |
[(explicit_declsN, sym_decl_lines), |
42956
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1851 |
(factsN, |
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1852 |
map (formula_line_for_fact ctxt format fact_prefix ascii_of true |
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset
|
1853 |
nonmono_Ts type_sys) |
42956
9aeb0f6ad971
filter Waldmeister facts better -- and don't encode type classes as predicates, since it doesn't like conditional equations
blanchet
parents:
42951
diff
changeset
|
1854 |
(0 upto length facts - 1 ~~ facts)), |
42545 | 1855 |
(class_relsN, map formula_line_for_class_rel_clause class_rel_clauses), |
1856 |
(aritiesN, map formula_line_for_arity_clause arity_clauses), |
|
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1857 |
(helpersN, helper_lines), |
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1858 |
(conjsN, |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1859 |
map (formula_line_for_conjecture ctxt format nonmono_Ts type_sys) |
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset
|
1860 |
conjs), |
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset
|
1861 |
(free_typesN, formula_lines_for_free_types type_sys (facts @ conjs))] |
42543
f9d402d144d4
declare TFF types so that SNARK can be used with types
blanchet
parents:
42542
diff
changeset
|
1862 |
val problem = |
42561
23ddc4e3d19c
have properly type-instantiated helper facts (combinators and If)
blanchet
parents:
42560
diff
changeset
|
1863 |
problem |
43092
93ec303e1917
more work on new metis that exploits the powerful new type encodings
blanchet
parents:
43086
diff
changeset
|
1864 |
|> (case format of |
93ec303e1917
more work on new metis that exploits the powerful new type encodings
blanchet
parents:
43086
diff
changeset
|
1865 |
CNF => ensure_cnf_problem |
93ec303e1917
more work on new metis that exploits the powerful new type encodings
blanchet
parents:
43086
diff
changeset
|
1866 |
| CNF_UEQ => filter_cnf_ueq_problem |
93ec303e1917
more work on new metis that exploits the powerful new type encodings
blanchet
parents:
43086
diff
changeset
|
1867 |
| _ => I) |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1868 |
|> (if is_format_typed format then |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1869 |
declare_undeclared_syms_in_atp_problem type_decl_prefix |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1870 |
implicit_declsN |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1871 |
else |
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1872 |
I) |
43092
93ec303e1917
more work on new metis that exploits the powerful new type encodings
blanchet
parents:
43086
diff
changeset
|
1873 |
val (problem, pool) = problem |> nice_atp_problem readable_names |
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1874 |
val helpers_offset = offset_of_heading_in_problem helpersN problem 0 |
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1875 |
val typed_helpers = |
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1876 |
map_filter (fn (j, {name, ...}) => |
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1877 |
if String.isSuffix typed_helper_suffix name then SOME j |
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1878 |
else NONE) |
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1879 |
((helpers_offset + 1 upto helpers_offset + length helpers) |
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1880 |
~~ helpers) |
42778 | 1881 |
fun add_sym_arity (s, {min_ary, ...} : sym_info) = |
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42754
diff
changeset
|
1882 |
if min_ary > 0 then |
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42754
diff
changeset
|
1883 |
case strip_prefix_and_unascii const_prefix s of |
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42754
diff
changeset
|
1884 |
SOME s => Symtab.insert (op =) (s, min_ary) |
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42754
diff
changeset
|
1885 |
| NONE => I |
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42754
diff
changeset
|
1886 |
else |
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42754
diff
changeset
|
1887 |
I |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1888 |
in |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1889 |
(problem, |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1890 |
case pool of SOME the_pool => snd the_pool | NONE => Symtab.empty, |
42585
723b9d1e8ba5
fixed embarrassing bug where conjecture and fact offsets were swapped
blanchet
parents:
42579
diff
changeset
|
1891 |
offset_of_heading_in_problem conjsN problem 0, |
42541
8938507b2054
move type declarations to the front, for TFF-compliance
blanchet
parents:
42540
diff
changeset
|
1892 |
offset_of_heading_in_problem factsN problem 0, |
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42754
diff
changeset
|
1893 |
fact_names |> Vector.fromList, |
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset
|
1894 |
typed_helpers, |
42755
4603154a3018
robustly detect how many type args were passed to the ATP, even if some of them were omitted
blanchet
parents:
42754
diff
changeset
|
1895 |
Symtab.empty |> Symtab.fold add_sym_arity sym_tab) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1896 |
end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1897 |
|
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1898 |
(* FUDGE *) |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1899 |
val conj_weight = 0.0 |
41770 | 1900 |
val hyp_weight = 0.1 |
1901 |
val fact_min_weight = 0.2 |
|
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1902 |
val fact_max_weight = 1.0 |
42608
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1903 |
val type_info_default_weight = 0.8 |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1904 |
|
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1905 |
fun add_term_weights weight (ATerm (s, tms)) = |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1906 |
is_tptp_user_symbol s ? Symtab.default (s, weight) |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1907 |
#> fold (add_term_weights weight) tms |
42577
78414ec6fa4e
made the format (TFF or FOF) of the TPTP problem a global argument of the problem again and have the ATPs report which formats they support
blanchet
parents:
42576
diff
changeset
|
1908 |
fun add_problem_line_weights weight (Formula (_, _, phi, _, _)) = |
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset
|
1909 |
formula_fold NONE (K (add_term_weights weight)) phi |
42528 | 1910 |
| add_problem_line_weights _ _ = I |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1911 |
|
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1912 |
fun add_conjectures_weights [] = I |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1913 |
| add_conjectures_weights conjs = |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1914 |
let val (hyps, conj) = split_last conjs in |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1915 |
add_problem_line_weights conj_weight conj |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1916 |
#> fold (add_problem_line_weights hyp_weight) hyps |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1917 |
end |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1918 |
|
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1919 |
fun add_facts_weights facts = |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1920 |
let |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1921 |
val num_facts = length facts |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1922 |
fun weight_of j = |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1923 |
fact_min_weight + (fact_max_weight - fact_min_weight) * Real.fromInt j |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1924 |
/ Real.fromInt num_facts |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1925 |
in |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1926 |
map weight_of (0 upto num_facts - 1) ~~ facts |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1927 |
|> fold (uncurry add_problem_line_weights) |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1928 |
end |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1929 |
|
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1930 |
(* Weights are from 0.0 (most important) to 1.0 (least important). *) |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1931 |
fun atp_problem_weights problem = |
42608
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1932 |
let val get = these o AList.lookup (op =) problem in |
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1933 |
Symtab.empty |
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1934 |
|> add_conjectures_weights (get free_typesN @ get conjsN) |
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1935 |
|> add_facts_weights (get factsN) |
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1936 |
|> fold (fold (add_problem_line_weights type_info_default_weight) o get) |
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset
|
1937 |
[explicit_declsN, class_relsN, aritiesN] |
42608
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1938 |
|> Symtab.dest |
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1939 |
|> sort (prod_ord Real.compare string_ord o pairself swap) |
6ef61823b63b
make sure E type information constants are given a weight, even if they don't appear anywhere else
blanchet
parents:
42592
diff
changeset
|
1940 |
end |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
1941 |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
1942 |
end; |