author | blanchet |
Thu, 21 Apr 2011 22:18:28 +0200 | |
changeset 42449 | 494e4ac5b0f8 |
parent 42361 | 23f352990944 |
child 42520 | d1f7c4a01dbe |
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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|
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Translation of HOL to FOL for Sledgehammer. |
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*) |
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signature SLEDGEHAMMER_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 'a problem = 'a ATP_Problem.problem |
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type translated_formula |
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datatype type_system = |
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Tags of bool | |
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Args | |
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Mangled | |
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No_Types |
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||
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val precise_overloaded_args : bool Unsynchronized.ref |
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val fact_prefix : string |
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val conjecture_prefix : string |
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val is_type_system_sound : type_system -> bool |
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val type_system_types_dangerous_types : type_system -> bool |
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val num_atp_type_args : theory -> type_system -> string -> int |
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val translate_atp_fact : |
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Proof.context -> bool -> (string * 'a) * thm |
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-> translated_formula option * ((string * 'a) * thm) |
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val unmangled_const : string -> string * string fo_term list |
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val prepare_atp_problem : |
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Proof.context -> bool -> bool -> type_system -> 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 * (string * 'a) list vector |
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val atp_problem_weights : string problem -> (string * real) list |
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end; |
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structure Sledgehammer_ATP_Translate : SLEDGEHAMMER_ATP_TRANSLATE = |
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struct |
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open ATP_Problem |
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open Metis_Translate |
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open Sledgehammer_Util |
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(* FIXME: Remove references once appropriate defaults have been determined |
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empirically. *) |
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val precise_overloaded_args = Unsynchronized.ref false |
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|
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val fact_prefix = "fact_" |
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val conjecture_prefix = "conj_" |
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val helper_prefix = "help_" |
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val class_rel_clause_prefix = "clrel_"; |
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val arity_clause_prefix = "arity_" |
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val tfree_prefix = "tfree_" |
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(* Freshness almost guaranteed! *) |
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val sledgehammer_weak_prefix = "Sledgehammer:" |
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type translated_formula = |
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{name: string, |
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kind: kind, |
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combformula: (name, combterm) formula, |
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ctypes_sorts: typ list} |
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datatype type_system = |
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Tags of bool | |
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Args | |
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Mangled | |
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No_Types |
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fun is_type_system_sound (Tags true) = true |
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| is_type_system_sound _ = false |
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fun type_system_types_dangerous_types (Tags _) = true |
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| type_system_types_dangerous_types _ = false |
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(* This is an approximation. If it returns "true" for a constant that isn't |
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overloaded (i.e., that has one uniform definition), needless clutter is |
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generated; if it returns "false" for an overloaded constant, the ATP gets a |
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license to do unsound reasoning if the type system is "overloaded_args". *) |
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fun is_overloaded thy s = |
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not (s = @{const_name HOL.eq}) andalso |
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not (s = @{const_name Metis.fequal}) andalso |
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(not (!precise_overloaded_args) orelse s = @{const_name finite} orelse |
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length (Defs.specifications_of (Theory.defs_of thy) s) > 1) |
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|
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fun needs_type_args thy type_sys s = |
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case type_sys of |
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Tags full_types => not full_types andalso is_overloaded thy s |
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| Args => is_overloaded thy s |
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| Mangled => true |
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| No_Types => false |
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datatype type_arg_policy = No_Type_Args | Explicit_Type_Args | Mangled_Types |
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fun type_arg_policy thy type_sys s = |
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if needs_type_args thy type_sys s then |
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if type_sys = Mangled then Mangled_Types else Explicit_Type_Args |
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else |
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No_Type_Args |
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|
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fun num_atp_type_args thy type_sys s = |
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if type_arg_policy thy type_sys s = Explicit_Type_Args then |
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num_type_args thy s |
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else |
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0 |
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|
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fun atp_type_literals_for_types type_sys kind Ts = |
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if type_sys = No_Types then |
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[] |
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else |
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Ts |> type_literals_for_types |
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|> filter (fn TyLitVar _ => kind <> Conjecture |
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| TyLitFree _ => kind = Conjecture) |
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fun mk_anot phi = AConn (ANot, [phi]) |
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fun mk_aconn c phi1 phi2 = AConn (c, [phi1, phi2]) |
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fun mk_ahorn [] phi = phi |
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| mk_ahorn (phi :: phis) psi = |
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AConn (AImplies, [fold (mk_aconn AAnd) phis phi, psi]) |
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122 |
fun close_universally phi = |
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|
123 |
let |
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|
124 |
fun term_vars bounds (ATerm (name as (s, _), tms)) = |
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125 |
(is_atp_variable s andalso not (member (op =) bounds name)) |
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|
126 |
? insert (op =) name |
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|
127 |
#> fold (term_vars bounds) tms |
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|
128 |
fun formula_vars bounds (AQuant (_, xs, phi)) = |
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|
129 |
formula_vars (xs @ bounds) phi |
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|
130 |
| formula_vars bounds (AConn (_, phis)) = fold (formula_vars bounds) phis |
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|
131 |
| formula_vars bounds (AAtom tm) = term_vars bounds tm |
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|
132 |
in |
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|
133 |
case formula_vars [] phi [] of [] => phi | xs => AQuant (AForall, xs, phi) |
a5ee3b8e5a90
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|
134 |
end |
a5ee3b8e5a90
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|
135 |
|
41140
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|
136 |
fun combformula_for_prop thy eq_as_iff = |
38282
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|
137 |
let |
41140
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|
138 |
fun do_term bs t ts = |
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|
139 |
combterm_from_term thy bs (Envir.eta_contract t) |
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|
140 |
|>> AAtom ||> union (op =) ts |
38282
319c59682c51
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|
141 |
fun do_quant bs q s T t' = |
38518
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|
142 |
let val s = Name.variant (map fst bs) s in |
54727b44e277
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|
143 |
do_formula ((s, T) :: bs) t' |
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|
144 |
#>> (fn phi => AQuant (q, [`make_bound_var s], phi)) |
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|
145 |
end |
38282
319c59682c51
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parents:
diff
changeset
|
146 |
and do_conn bs c t1 t2 = |
319c59682c51
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|
147 |
do_formula bs t1 ##>> do_formula bs t2 |
319c59682c51
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parents:
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|
148 |
#>> (fn (phi1, phi2) => AConn (c, [phi1, phi2])) |
319c59682c51
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|
149 |
and do_formula bs t = |
319c59682c51
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|
150 |
case t of |
319c59682c51
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changeset
|
151 |
@{const Not} $ t1 => |
319c59682c51
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parents:
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changeset
|
152 |
do_formula bs t1 #>> (fn phi => AConn (ANot, [phi])) |
319c59682c51
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|
153 |
| Const (@{const_name All}, _) $ Abs (s, T, t') => |
319c59682c51
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parents:
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changeset
|
154 |
do_quant bs AForall s T t' |
319c59682c51
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parents:
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changeset
|
155 |
| Const (@{const_name Ex}, _) $ Abs (s, T, t') => |
319c59682c51
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parents:
diff
changeset
|
156 |
do_quant bs AExists s T t' |
38795
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parents:
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changeset
|
157 |
| @{const HOL.conj} $ t1 $ t2 => do_conn bs AAnd t1 t2 |
848be46708dc
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parents:
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diff
changeset
|
158 |
| @{const HOL.disj} $ t1 $ t2 => do_conn bs AOr t1 t2 |
38786
e46e7a9cb622
formerly unnamed infix impliciation now named HOL.implies
haftmann
parents:
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diff
changeset
|
159 |
| @{const HOL.implies} $ t1 $ t2 => do_conn bs AImplies t1 t2 |
38864
4abe644fcea5
formerly unnamed infix equality now named HOL.eq
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parents:
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diff
changeset
|
160 |
| Const (@{const_name HOL.eq}, Type (_, [@{typ bool}, _])) $ t1 $ t2 => |
41140
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parents:
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changeset
|
161 |
if eq_as_iff then do_conn bs AIff t1 t2 else do_term bs t |
9c68004b8c9d
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parents:
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changeset
|
162 |
| _ => do_term bs t |
38282
319c59682c51
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parents:
diff
changeset
|
163 |
in do_formula [] end |
319c59682c51
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parents:
diff
changeset
|
164 |
|
38618 | 165 |
val presimplify_term = prop_of o Meson.presimplify oo Skip_Proof.make_thm |
38282
319c59682c51
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parents:
diff
changeset
|
166 |
|
41491 | 167 |
fun concealed_bound_name j = sledgehammer_weak_prefix ^ string_of_int j |
38282
319c59682c51
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parents:
diff
changeset
|
168 |
fun conceal_bounds Ts t = |
319c59682c51
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parents:
diff
changeset
|
169 |
subst_bounds (map (Free o apfst concealed_bound_name) |
319c59682c51
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parents:
diff
changeset
|
170 |
(0 upto length Ts - 1 ~~ Ts), t) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
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parents:
diff
changeset
|
171 |
fun reveal_bounds Ts = |
319c59682c51
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blanchet
parents:
diff
changeset
|
172 |
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)
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parents:
diff
changeset
|
173 |
(0 upto length Ts - 1 ~~ Ts)) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
174 |
|
38608
01ed56c46259
beta eta contract the Sledgehammer conjecture (and also the axioms, although this might not be needed), just like Metis does (implicitly);
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parents:
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diff
changeset
|
175 |
(* Removes the lambdas from an equation of the form "t = (%x. u)". |
39890 | 176 |
(Cf. "extensionalize_theorem" in "Meson_Clausify".) *) |
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
|
177 |
fun extensionalize_term t = |
01ed56c46259
beta eta contract the Sledgehammer conjecture (and also the axioms, although this might not be needed), just like Metis does (implicitly);
blanchet
parents:
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diff
changeset
|
178 |
let |
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
|
179 |
fun aux j (@{const Trueprop} $ t') = @{const Trueprop} $ aux j t' |
01ed56c46259
beta eta contract the Sledgehammer conjecture (and also the axioms, although this might not be needed), just like Metis does (implicitly);
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parents:
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diff
changeset
|
180 |
| aux j (t as Const (s, Type (_, [Type (_, [_, T']), |
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
|
181 |
Type (_, [_, res_T])])) |
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
|
182 |
$ t2 $ Abs (var_s, var_T, t')) = |
38864
4abe644fcea5
formerly unnamed infix equality now named HOL.eq
haftmann
parents:
38829
diff
changeset
|
183 |
if s = @{const_name HOL.eq} orelse s = @{const_name "=="} then |
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
|
184 |
let val var_t = Var ((var_s, j), var_T) in |
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
|
185 |
Const (s, T' --> T' --> res_T) |
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
|
186 |
$ betapply (t2, var_t) $ subst_bound (var_t, t') |
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
|
187 |
|> aux (j + 1) |
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
|
188 |
end |
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
|
189 |
else |
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
|
190 |
t |
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
|
191 |
| aux _ t = t |
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
|
192 |
in aux (maxidx_of_term t + 1) t end |
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
|
193 |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
194 |
fun introduce_combinators_in_term ctxt kind t = |
42361 | 195 |
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
|
196 |
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
|
197 |
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
|
198 |
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
|
199 |
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
|
200 |
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
|
201 |
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
|
202 |
@{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
|
203 |
| (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
|
204 |
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
|
205 |
| (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
|
206 |
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
|
207 |
| (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
|
208 |
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
|
209 |
| (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
|
210 |
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
|
211 |
| (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
|
212 |
| (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
|
213 |
| (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
|
214 |
| (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
|
215 |
$ 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
|
216 |
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
|
217 |
| _ => 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
|
218 |
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
|
219 |
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
|
220 |
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
|
221 |
|> 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
|
222 |
|> cterm_of thy |
39890 | 223 |
|> 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
|
224 |
|> 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
|
225 |
|> reveal_bounds Ts |
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39005
diff
changeset
|
226 |
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
|
227 |
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
|
228 |
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
|
229 |
(* A type variable of sort "{}" will make abstraction fail. *) |
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if kind = Conjecture then HOLogic.false_const |
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else HOLogic.true_const |
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end |
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233 |
|
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(* Metis's use of "resolve_tac" freezes the schematic variables. We simulate the |
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same in Sledgehammer to prevent the discovery of unreplayable proofs. *) |
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fun freeze_term t = |
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let |
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fun aux (t $ u) = aux t $ aux u |
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| aux (Abs (s, T, t)) = Abs (s, T, aux t) |
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| aux (Var ((s, i), T)) = |
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Free (sledgehammer_weak_prefix ^ s ^ "_" ^ string_of_int i, T) |
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| aux t = t |
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in t |> exists_subterm is_Var t ? aux end |
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244 |
|
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(* making fact and conjecture formulas *) |
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fun make_formula ctxt eq_as_iff presimp name kind t = |
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let |
42361 | 248 |
val thy = Proof_Context.theory_of ctxt |
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val t = t |> Envir.beta_eta_contract |
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|> transform_elim_term |
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|> Object_Logic.atomize_term thy |
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val need_trueprop = (fastype_of t = HOLogic.boolT) |
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val t = t |> need_trueprop ? HOLogic.mk_Trueprop |
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|> extensionalize_term |
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|> presimp ? presimplify_term thy |
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|> perhaps (try (HOLogic.dest_Trueprop)) |
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|> introduce_combinators_in_term ctxt kind |
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|> kind <> Axiom ? freeze_term |
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val (combformula, ctypes_sorts) = combformula_for_prop thy eq_as_iff t [] |
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in |
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{name = name, combformula = combformula, kind = kind, |
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ctypes_sorts = ctypes_sorts} |
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263 |
end |
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264 |
|
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fun make_fact ctxt keep_trivial eq_as_iff presimp ((name, _), th) = |
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case (keep_trivial, |
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make_formula ctxt eq_as_iff presimp name Axiom (prop_of th)) of |
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268 |
(false, {combformula = AAtom (CombConst (("c_True", _), _, _)), ...}) => |
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269 |
NONE |
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| (_, formula) => SOME formula |
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271 |
fun make_conjecture ctxt ts = |
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let val last = length ts - 1 in |
41491 | 273 |
map2 (fn j => make_formula ctxt true true (string_of_int j) |
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(if j = last then Conjecture else Hypothesis)) |
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(0 upto last) ts |
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276 |
end |
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|
277 |
|
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|
278 |
(** Helper facts **) |
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279 |
|
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280 |
fun fold_formula f (AQuant (_, _, phi)) = fold_formula f phi |
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| fold_formula f (AConn (_, phis)) = fold (fold_formula f) phis |
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| fold_formula f (AAtom tm) = f tm |
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283 |
|
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|
284 |
fun count_term (ATerm ((s, _), tms)) = |
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|
285 |
(if is_atp_variable s then I |
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|
286 |
else Symtab.map_entry s (Integer.add 1)) |
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|
287 |
#> fold count_term tms |
41406 | 288 |
fun count_formula x = fold_formula count_term x |
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|
289 |
|
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|
290 |
val init_counters = |
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|
291 |
metis_helpers |> map fst |> sort_distinct string_ord |> map (rpair 0) |
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|
292 |
|> Symtab.make |
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|
293 |
|
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|
294 |
fun get_helper_facts ctxt explicit_forall type_sys formulas = |
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|
295 |
let |
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|
296 |
val no_dangerous_types = type_system_types_dangerous_types type_sys |
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|
297 |
val ct = init_counters |> fold count_formula formulas |
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|
298 |
fun is_used s = the (Symtab.lookup ct s) > 0 |
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|
299 |
fun dub c needs_full_types (th, j) = |
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|
300 |
((c ^ "_" ^ string_of_int j ^ (if needs_full_types then "ft" else ""), |
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|
301 |
false), th) |
41990
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|
302 |
fun make_facts eq_as_iff = map_filter (make_fact ctxt false eq_as_iff false) |
38282
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|
303 |
in |
41145
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|
304 |
(metis_helpers |
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|
305 |
|> filter (is_used o fst) |
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|
306 |
|> maps (fn (c, (needs_full_types, ths)) => |
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|
307 |
if needs_full_types andalso not no_dangerous_types then |
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|
308 |
[] |
a5ee3b8e5a90
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changeset
|
309 |
else |
a5ee3b8e5a90
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|
310 |
ths ~~ (1 upto length ths) |
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|
311 |
|> map (dub c needs_full_types) |
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|
312 |
|> make_facts (not needs_full_types)), |
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|
313 |
if type_sys = Tags false then |
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|
314 |
let |
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|
315 |
fun var s = ATerm (`I s, []) |
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changeset
|
316 |
fun tag tm = ATerm (`I type_tag_name, [var "X", tm]) |
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|
317 |
in |
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changeset
|
318 |
[Fof (helper_prefix ^ ascii_of "ti_ti", Axiom, |
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diff
changeset
|
319 |
AAtom (ATerm (`I "equal", [tag (tag (var "Y")), tag (var "Y")])) |
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
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|
320 |
|> explicit_forall ? close_universally, NONE)] |
41145
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|
321 |
end |
a5ee3b8e5a90
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|
322 |
else |
a5ee3b8e5a90
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diff
changeset
|
323 |
[]) |
38282
319c59682c51
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blanchet
parents:
diff
changeset
|
324 |
end |
319c59682c51
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parents:
diff
changeset
|
325 |
|
41990
7f2793d51efc
add option to function to keep trivial ATP formulas, needed for some experiments
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parents:
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diff
changeset
|
326 |
fun translate_atp_fact ctxt keep_trivial = |
7f2793d51efc
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diff
changeset
|
327 |
`(make_fact ctxt keep_trivial true true) |
39004
f1b465f889b5
translate the axioms to FOF once and for all ATPs
blanchet
parents:
39003
diff
changeset
|
328 |
|
41134 | 329 |
fun translate_formulas ctxt type_sys hyp_ts concl_t rich_facts = |
38282
319c59682c51
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parents:
diff
changeset
|
330 |
let |
42361 | 331 |
val thy = Proof_Context.theory_of ctxt |
41091
0afdf5cde874
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parents:
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diff
changeset
|
332 |
val fact_ts = map (prop_of o snd o snd) rich_facts |
0afdf5cde874
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diff
changeset
|
333 |
val (facts, fact_names) = |
0afdf5cde874
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changeset
|
334 |
rich_facts |
0afdf5cde874
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changeset
|
335 |
|> map_filter (fn (NONE, _) => NONE |
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|
336 |
| (SOME fact, (name, _)) => SOME (fact, name)) |
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changeset
|
337 |
|> ListPair.unzip |
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer -- but keep "Axiom" in the lower-level "ATP_Problem" module
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parents:
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diff
changeset
|
338 |
(* Remove existing facts from the conjecture, as this can dramatically |
39005 | 339 |
boost an ATP's performance (for some reason). *) |
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer -- but keep "Axiom" in the lower-level "ATP_Problem" module
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parents:
40145
diff
changeset
|
340 |
val hyp_ts = hyp_ts |> filter_out (member (op aconv) fact_ts) |
38282
319c59682c51
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blanchet
parents:
diff
changeset
|
341 |
val goal_t = Logic.list_implies (hyp_ts, concl_t) |
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)"
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parents:
42237
diff
changeset
|
342 |
val all_ts = goal_t :: fact_ts |
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)"
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parents:
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changeset
|
343 |
val subs = tfree_classes_of_terms all_ts |
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)"
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parents:
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changeset
|
344 |
val supers = tvar_classes_of_terms all_ts |
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
|
345 |
val tycons = type_consts_of_terms thy all_ts |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
346 |
val conjs = make_conjecture ctxt (hyp_ts @ [concl_t]) |
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
|
347 |
val (supers', arity_clauses) = |
8b634031b2a5
implemented "no_types" encoding, which is too unsound to be useful but can come in handy for evaluations
blanchet
parents:
41136
diff
changeset
|
348 |
if type_sys = No_Types then ([], []) |
8b634031b2a5
implemented "no_types" encoding, which is too unsound to be useful but can come in handy for evaluations
blanchet
parents:
41136
diff
changeset
|
349 |
else make_arity_clauses thy tycons supers |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
350 |
val class_rel_clauses = make_class_rel_clauses thy subs supers' |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
351 |
in |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
352 |
(fact_names |> map single, (conjs, facts, class_rel_clauses, arity_clauses)) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
353 |
end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
354 |
|
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
355 |
fun tag_with_type ty t = ATerm (`I type_tag_name, [ty, t]) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
356 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
357 |
fun fo_term_for_combtyp (CombTVar name) = ATerm (name, []) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
358 |
| fo_term_for_combtyp (CombTFree name) = ATerm (name, []) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
359 |
| fo_term_for_combtyp (CombType (name, tys)) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
360 |
ATerm (name, map fo_term_for_combtyp tys) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
361 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
362 |
fun fo_literal_for_type_literal (TyLitVar (class, name)) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
363 |
(true, ATerm (class, [ATerm (name, [])])) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
364 |
| fo_literal_for_type_literal (TyLitFree (class, name)) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
365 |
(true, ATerm (class, [ATerm (name, [])])) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
366 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
367 |
fun formula_for_fo_literal (pos, t) = AAtom t |> not pos ? mk_anot |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
368 |
|
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
369 |
(* Finite types such as "unit", "bool", "bool * bool", and "bool => bool" are |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
370 |
considered dangerous because their "exhaust" properties can easily lead to |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
371 |
unsound ATP proofs. The checks below are an (unsound) approximation of |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
372 |
finiteness. *) |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
373 |
|
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
374 |
fun is_dtyp_dangerous _ (Datatype_Aux.DtTFree _) = true |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
375 |
| is_dtyp_dangerous ctxt (Datatype_Aux.DtType (s, Us)) = |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
376 |
is_type_constr_dangerous ctxt s andalso forall (is_dtyp_dangerous ctxt) Us |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
377 |
| is_dtyp_dangerous _ (Datatype_Aux.DtRec _) = false |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
378 |
and is_type_dangerous ctxt (Type (s, Ts)) = |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
379 |
is_type_constr_dangerous ctxt s andalso forall (is_type_dangerous ctxt) Ts |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
380 |
| is_type_dangerous _ _ = false |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
381 |
and is_type_constr_dangerous ctxt s = |
42361 | 382 |
let val thy = Proof_Context.theory_of ctxt in |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
383 |
case Datatype_Data.get_info thy s of |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
384 |
SOME {descr, ...} => |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
385 |
forall (fn (_, (_, _, constrs)) => |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
386 |
forall (forall (is_dtyp_dangerous ctxt) o snd) constrs) descr |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
387 |
| NONE => |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
388 |
case Typedef.get_info ctxt s of |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
389 |
({rep_type, ...}, _) :: _ => is_type_dangerous ctxt rep_type |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
390 |
| [] => true |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
391 |
end |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
392 |
|
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
393 |
fun is_combtyp_dangerous ctxt (CombType ((s, _), tys)) = |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
394 |
(case strip_prefix_and_unascii type_const_prefix s of |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
395 |
SOME s' => forall (is_combtyp_dangerous ctxt) tys andalso |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
396 |
is_type_constr_dangerous ctxt (invert_const s') |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
397 |
| NONE => false) |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
398 |
| is_combtyp_dangerous _ _ = false |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
399 |
|
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
400 |
fun should_tag_with_type ctxt (Tags full_types) ty = |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
401 |
full_types orelse is_combtyp_dangerous ctxt ty |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
402 |
| should_tag_with_type _ _ _ = false |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
403 |
|
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
404 |
val fname_table = |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
405 |
[("c_False", (0, ("c_fFalse", @{const_name Metis.fFalse}))), |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
406 |
("c_True", (0, ("c_fTrue", @{const_name Metis.fTrue}))), |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
407 |
("c_Not", (1, ("c_fNot", @{const_name Metis.fNot}))), |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
408 |
("c_conj", (2, ("c_fconj", @{const_name Metis.fconj}))), |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
409 |
("c_disj", (2, ("c_fdisj", @{const_name Metis.fdisj}))), |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
410 |
("c_implies", (2, ("c_fimplies", @{const_name Metis.fimplies}))), |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
411 |
("equal", (2, ("c_fequal", @{const_name Metis.fequal})))] |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
412 |
|
42227
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
413 |
(* We are crossing our fingers that it doesn't clash with anything else. *) |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
414 |
val mangled_type_sep = "\000" |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
415 |
|
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
416 |
fun mangled_combtyp f (CombTFree name) = f name |
42236
2088895a37c6
temporarily allow useless encoding of helper facts (e.g. fequal_def) instead of throwing exception
blanchet
parents:
42233
diff
changeset
|
417 |
| mangled_combtyp f (CombTVar name) = |
2088895a37c6
temporarily allow useless encoding of helper facts (e.g. fequal_def) instead of throwing exception
blanchet
parents:
42233
diff
changeset
|
418 |
f name (* FIXME: shouldn't happen *) |
2088895a37c6
temporarily allow useless encoding of helper facts (e.g. fequal_def) instead of throwing exception
blanchet
parents:
42233
diff
changeset
|
419 |
(* raise Fail "impossible schematic type variable" *) |
42227
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
420 |
| mangled_combtyp f (CombType (name, tys)) = |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
421 |
"(" ^ commas (map (mangled_combtyp f) tys) ^ ")" ^ f name |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
422 |
|
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
423 |
fun mangled_type_suffix f g tys = |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
424 |
fold_rev (curry (op ^) o g o prefix mangled_type_sep o mangled_combtyp f) |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
425 |
tys "" |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
426 |
|
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
427 |
val parse_mangled_ident = |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
428 |
Scan.many1 (not o member (op =) ["(", ")", ","]) >> implode |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
429 |
|
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
430 |
fun parse_mangled_type x = |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
431 |
($$ "(" |-- Scan.optional parse_mangled_types [] --| $$ ")" |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
432 |
-- parse_mangled_ident >> (ATerm o swap) |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
433 |
|| parse_mangled_ident >> (ATerm o rpair [])) x |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
434 |
and parse_mangled_types x = |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
435 |
(parse_mangled_type ::: Scan.repeat ($$ "," |-- parse_mangled_type)) x |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
436 |
|
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
437 |
fun unmangled_type s = |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
438 |
s |> suffix ")" |> raw_explode |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
439 |
|> Scan.finite Symbol.stopper |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
440 |
(Scan.error (!! (fn _ => raise Fail ("unrecognized mangled type " ^ |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
441 |
quote s)) parse_mangled_type)) |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
442 |
|> fst |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
443 |
|
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
444 |
fun unmangled_const s = |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
445 |
let val ss = space_explode mangled_type_sep s in |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
446 |
(hd ss, map unmangled_type (tl ss)) |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
447 |
end |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
448 |
|
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
449 |
fun fo_term_for_combterm ctxt type_sys = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
450 |
let |
42361 | 451 |
val thy = Proof_Context.theory_of ctxt |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
452 |
fun aux top_level u = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
453 |
let |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
454 |
val (head, args) = strip_combterm_comb u |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
455 |
val (x, ty_args) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
456 |
case head of |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
457 |
CombConst (name as (s, s'), _, ty_args) => |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
458 |
(case AList.lookup (op =) fname_table s of |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
459 |
SOME (n, fname) => |
41150
54b3c9c05664
make sure first-order occurrences of "False" and "True" are handled correctly -- this broke when adding proper support for higher-order occurrences
blanchet
parents:
41149
diff
changeset
|
460 |
(if top_level andalso length args = n then |
54b3c9c05664
make sure first-order occurrences of "False" and "True" are handled correctly -- this broke when adding proper support for higher-order occurrences
blanchet
parents:
41149
diff
changeset
|
461 |
case s of |
54b3c9c05664
make sure first-order occurrences of "False" and "True" are handled correctly -- this broke when adding proper support for higher-order occurrences
blanchet
parents:
41149
diff
changeset
|
462 |
"c_False" => ("$false", s') |
54b3c9c05664
make sure first-order occurrences of "False" and "True" are handled correctly -- this broke when adding proper support for higher-order occurrences
blanchet
parents:
41149
diff
changeset
|
463 |
| "c_True" => ("$true", s') |
54b3c9c05664
make sure first-order occurrences of "False" and "True" are handled correctly -- this broke when adding proper support for higher-order occurrences
blanchet
parents:
41149
diff
changeset
|
464 |
| _ => name |
54b3c9c05664
make sure first-order occurrences of "False" and "True" are handled correctly -- this broke when adding proper support for higher-order occurrences
blanchet
parents:
41149
diff
changeset
|
465 |
else |
54b3c9c05664
make sure first-order occurrences of "False" and "True" are handled correctly -- this broke when adding proper support for higher-order occurrences
blanchet
parents:
41149
diff
changeset
|
466 |
fname, []) |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
467 |
| NONE => |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
468 |
case strip_prefix_and_unascii const_prefix s of |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
469 |
NONE => (name, ty_args) |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
470 |
| SOME s'' => |
42227
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
471 |
let val s'' = invert_const s'' in |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
472 |
case type_arg_policy thy type_sys s'' of |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
473 |
No_Type_Args => (name, []) |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
474 |
| Explicit_Type_Args => (name, ty_args) |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
475 |
| Mangled_Types => |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
476 |
((s ^ mangled_type_suffix fst ascii_of ty_args, |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
477 |
s' ^ mangled_type_suffix snd I ty_args), []) |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
478 |
end) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
479 |
| CombVar (name, _) => (name, []) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
480 |
| CombApp _ => raise Fail "impossible \"CombApp\"" |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
481 |
val t = |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
482 |
ATerm (x, map fo_term_for_combtyp ty_args @ map (aux false) args) |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
483 |
val ty = combtyp_of u |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
484 |
in |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
485 |
t |> (if should_tag_with_type ctxt type_sys ty then |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
486 |
tag_with_type (fo_term_for_combtyp ty) |
41134 | 487 |
else |
488 |
I) |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
489 |
end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
490 |
in aux true end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
491 |
|
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
492 |
fun formula_for_combformula ctxt type_sys = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
493 |
let |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
494 |
fun aux (AQuant (q, xs, phi)) = AQuant (q, xs, aux phi) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
495 |
| aux (AConn (c, phis)) = AConn (c, map aux phis) |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
496 |
| aux (AAtom tm) = AAtom (fo_term_for_combterm ctxt type_sys tm) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
497 |
in aux end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
498 |
|
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
499 |
fun formula_for_fact ctxt type_sys |
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer -- but keep "Axiom" in the lower-level "ATP_Problem" module
blanchet
parents:
40145
diff
changeset
|
500 |
({combformula, ctypes_sorts, ...} : translated_formula) = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
501 |
mk_ahorn (map (formula_for_fo_literal o fo_literal_for_type_literal) |
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
|
502 |
(atp_type_literals_for_types type_sys Axiom ctypes_sorts)) |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
503 |
(formula_for_combformula ctxt type_sys combformula) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
504 |
|
42180
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
505 |
(* Each fact is given a unique fact number to avoid name clashes (e.g., because |
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
506 |
of monomorphization). The TPTP explicitly forbids name clashes, and some of |
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
507 |
the remote provers might care. *) |
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
508 |
fun problem_line_for_fact ctxt prefix type_sys |
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
509 |
(j, formula as {name, kind, ...}) = |
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
510 |
Fof (prefix ^ string_of_int j ^ "_" ^ ascii_of name, kind, |
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
511 |
formula_for_fact ctxt type_sys formula, NONE) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
512 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
513 |
fun problem_line_for_class_rel_clause (ClassRelClause {name, subclass, |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
514 |
superclass, ...}) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
515 |
let val ty_arg = ATerm (("T", "T"), []) in |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
516 |
Fof (class_rel_clause_prefix ^ ascii_of name, Axiom, |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
517 |
AConn (AImplies, [AAtom (ATerm (subclass, [ty_arg])), |
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
518 |
AAtom (ATerm (superclass, [ty_arg]))]), NONE) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
519 |
end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
520 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
521 |
fun fo_literal_for_arity_literal (TConsLit (c, t, args)) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
522 |
(true, ATerm (c, [ATerm (t, map (fn arg => ATerm (arg, [])) args)])) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
523 |
| fo_literal_for_arity_literal (TVarLit (c, sort)) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
524 |
(false, ATerm (c, [ATerm (sort, [])])) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
525 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
526 |
fun problem_line_for_arity_clause (ArityClause {name, conclLit, premLits, |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
527 |
...}) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
528 |
Fof (arity_clause_prefix ^ ascii_of name, Axiom, |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
529 |
mk_ahorn (map (formula_for_fo_literal o apfst not |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
530 |
o fo_literal_for_arity_literal) premLits) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
531 |
(formula_for_fo_literal |
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
532 |
(fo_literal_for_arity_literal conclLit)), NONE) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
533 |
|
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
534 |
fun problem_line_for_conjecture ctxt type_sys |
40114 | 535 |
({name, kind, combformula, ...} : translated_formula) = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
536 |
Fof (conjecture_prefix ^ name, kind, |
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
537 |
formula_for_combformula ctxt type_sys combformula, NONE) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
538 |
|
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
|
539 |
fun free_type_literals type_sys ({ctypes_sorts, ...} : translated_formula) = |
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
|
540 |
ctypes_sorts |> atp_type_literals_for_types type_sys Conjecture |
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
|
541 |
|> map fo_literal_for_type_literal |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
542 |
|
39975
7c50d5ca5c04
avoid generating several formulas with the same name ("tfrees")
blanchet
parents:
39954
diff
changeset
|
543 |
fun problem_line_for_free_type j lit = |
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
544 |
Fof (tfree_prefix ^ string_of_int j, Hypothesis, formula_for_fo_literal lit, |
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
545 |
NONE) |
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
|
546 |
fun problem_lines_for_free_types type_sys facts = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
547 |
let |
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
|
548 |
val litss = map (free_type_literals type_sys) facts |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
549 |
val lits = fold (union (op =)) litss [] |
39975
7c50d5ca5c04
avoid generating several formulas with the same name ("tfrees")
blanchet
parents:
39954
diff
changeset
|
550 |
in map2 problem_line_for_free_type (0 upto length lits - 1) lits end |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
551 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
552 |
(** "hBOOL" and "hAPP" **) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
553 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
554 |
type const_info = {min_arity: int, max_arity: int, sub_level: bool} |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
555 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
556 |
fun consider_term top_level (ATerm ((s, _), ts)) = |
39452 | 557 |
(if is_atp_variable s then |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
558 |
I |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
559 |
else |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
560 |
let val n = length ts in |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
561 |
Symtab.map_default |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
562 |
(s, {min_arity = n, max_arity = 0, sub_level = false}) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
563 |
(fn {min_arity, max_arity, sub_level} => |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
564 |
{min_arity = Int.min (n, min_arity), |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
565 |
max_arity = Int.max (n, max_arity), |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
566 |
sub_level = sub_level orelse not top_level}) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
567 |
end) |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
568 |
#> fold (consider_term (top_level andalso s = type_tag_name)) ts |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
569 |
fun consider_formula (AQuant (_, _, phi)) = consider_formula phi |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
570 |
| consider_formula (AConn (_, phis)) = fold consider_formula phis |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
571 |
| consider_formula (AAtom tm) = consider_term true tm |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
572 |
|
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
573 |
fun consider_problem_line (Fof (_, _, phi, _)) = consider_formula phi |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
574 |
fun consider_problem problem = fold (fold consider_problem_line o snd) problem |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
575 |
|
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
576 |
(* needed for helper facts if the problem otherwise does not involve equality *) |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
577 |
val equal_entry = ("equal", {min_arity = 2, max_arity = 2, sub_level = false}) |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
578 |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
579 |
fun const_table_for_problem explicit_apply problem = |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
580 |
if explicit_apply then |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
581 |
NONE |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
582 |
else |
41147
0e1903273712
fix translation of higher-order equality ("fequal") if "precise_overloaded_args" is "true"
blanchet
parents:
41145
diff
changeset
|
583 |
SOME (Symtab.empty |> Symtab.default equal_entry |> consider_problem problem) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
584 |
|
41134 | 585 |
fun min_arity_of thy type_sys NONE s = |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
586 |
(if s = "equal" orelse s = type_tag_name orelse |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
587 |
String.isPrefix type_const_prefix s orelse |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
588 |
String.isPrefix class_prefix s then |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
589 |
16383 (* large number *) |
38748 | 590 |
else case strip_prefix_and_unascii const_prefix s of |
42227
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
591 |
SOME s' => |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
592 |
s' |> unmangled_const |> fst |> invert_const |
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset
|
593 |
|> num_atp_type_args thy type_sys |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
594 |
| NONE => 0) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
595 |
| min_arity_of _ _ (SOME the_const_tab) s = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
596 |
case Symtab.lookup the_const_tab s of |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
597 |
SOME ({min_arity, ...} : const_info) => min_arity |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
598 |
| NONE => 0 |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
599 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
600 |
fun full_type_of (ATerm ((s, _), [ty, _])) = |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
601 |
if s = type_tag_name then SOME ty else NONE |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
602 |
| full_type_of _ = NONE |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
603 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
604 |
fun list_hAPP_rev _ t1 [] = t1 |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
605 |
| list_hAPP_rev NONE t1 (t2 :: ts2) = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
606 |
ATerm (`I "hAPP", [list_hAPP_rev NONE t1 ts2, t2]) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
607 |
| list_hAPP_rev (SOME ty) t1 (t2 :: ts2) = |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
608 |
case full_type_of t2 of |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
609 |
SOME ty2 => |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
610 |
let val ty' = ATerm (`make_fixed_type_const @{type_name fun}, |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
611 |
[ty2, ty]) in |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
612 |
ATerm (`I "hAPP", |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
613 |
[tag_with_type ty' (list_hAPP_rev (SOME ty') t1 ts2), t2]) |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
614 |
end |
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
615 |
| NONE => list_hAPP_rev NONE t1 (t2 :: ts2) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
616 |
|
41134 | 617 |
fun repair_applications_in_term thy type_sys const_tab = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
618 |
let |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
619 |
fun aux opt_ty (ATerm (name as (s, _), ts)) = |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
620 |
if s = type_tag_name then |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
621 |
case ts of |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
622 |
[t1, t2] => ATerm (name, [aux NONE t1, aux (SOME t1) t2]) |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
623 |
| _ => raise Fail "malformed type tag" |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
624 |
else |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
625 |
let |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
626 |
val ts = map (aux NONE) ts |
41134 | 627 |
val (ts1, ts2) = chop (min_arity_of thy type_sys const_tab s) ts |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
628 |
in list_hAPP_rev opt_ty (ATerm (name, ts1)) (rev ts2) end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
629 |
in aux NONE end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
630 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
631 |
fun boolify t = ATerm (`I "hBOOL", [t]) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
632 |
|
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
633 |
(* 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
|
634 |
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
|
635 |
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
|
636 |
arguments and is used as a predicate. *) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
637 |
fun is_predicate NONE s = |
38589
b03f8fe043ec
added "max_relevant_per_iter" option to Sledgehammer
blanchet
parents:
38518
diff
changeset
|
638 |
s = "equal" orelse s = "$false" orelse s = "$true" orelse |
b03f8fe043ec
added "max_relevant_per_iter" option to Sledgehammer
blanchet
parents:
38518
diff
changeset
|
639 |
String.isPrefix type_const_prefix s orelse String.isPrefix class_prefix s |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
640 |
| is_predicate (SOME the_const_tab) s = |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
641 |
case Symtab.lookup the_const_tab s of |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
642 |
SOME {min_arity, max_arity, sub_level} => |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
643 |
not sub_level andalso min_arity = max_arity |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
644 |
| NONE => false |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
645 |
|
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
646 |
fun repair_predicates_in_term pred_const_tab (t as ATerm ((s, _), ts)) = |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
647 |
if s = type_tag_name then |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
648 |
case ts of |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
649 |
[_, t' as ATerm ((s', _), _)] => |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
650 |
if is_predicate pred_const_tab s' then t' else boolify t |
41138
eb80538166b6
implemented partially-typed "tags" type encoding
blanchet
parents:
41137
diff
changeset
|
651 |
| _ => raise Fail "malformed type tag" |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
652 |
else |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
653 |
t |> not (is_predicate pred_const_tab s) ? boolify |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
654 |
|
41134 | 655 |
fun repair_formula thy explicit_forall type_sys const_tab = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
656 |
let |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
657 |
val pred_const_tab = case type_sys of Tags _ => NONE | _ => const_tab |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
658 |
fun aux (AQuant (q, xs, phi)) = AQuant (q, xs, aux phi) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
659 |
| aux (AConn (c, phis)) = AConn (c, map aux phis) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
660 |
| aux (AAtom tm) = |
41134 | 661 |
AAtom (tm |> repair_applications_in_term thy type_sys const_tab |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
662 |
|> repair_predicates_in_term pred_const_tab) |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
663 |
in aux #> explicit_forall ? close_universally end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
664 |
|
41134 | 665 |
fun repair_problem_line thy explicit_forall type_sys const_tab |
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
666 |
(Fof (ident, kind, phi, source)) = |
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
667 |
Fof (ident, kind, repair_formula thy explicit_forall type_sys const_tab phi, |
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
668 |
source) |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
669 |
fun repair_problem thy = map o apsnd o map ooo repair_problem_line thy |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
670 |
|
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
671 |
fun dest_Fof (Fof z) = z |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
672 |
|
41157 | 673 |
val factsN = "Relevant facts" |
674 |
val class_relsN = "Class relationships" |
|
675 |
val aritiesN = "Arity declarations" |
|
676 |
val helpersN = "Helper facts" |
|
677 |
val conjsN = "Conjectures" |
|
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
678 |
val free_typesN = "Type variables" |
41157 | 679 |
|
680 |
fun offset_of_heading_in_problem _ [] j = j |
|
681 |
| offset_of_heading_in_problem needle ((heading, lines) :: problem) j = |
|
682 |
if heading = needle then j |
|
683 |
else offset_of_heading_in_problem needle problem (j + length lines) |
|
684 |
||
41134 | 685 |
fun prepare_atp_problem ctxt readable_names explicit_forall type_sys |
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer -- but keep "Axiom" in the lower-level "ATP_Problem" module
blanchet
parents:
40145
diff
changeset
|
686 |
explicit_apply hyp_ts concl_t facts = |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
687 |
let |
42361 | 688 |
val thy = Proof_Context.theory_of ctxt |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
689 |
val (fact_names, (conjs, facts, class_rel_clauses, arity_clauses)) = |
41134 | 690 |
translate_formulas ctxt type_sys hyp_ts concl_t facts |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
691 |
(* Reordering these might or might not confuse the proof reconstruction |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
692 |
code or the SPASS Flotter hack. *) |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
693 |
val problem = |
42180
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
694 |
[(factsN, map (problem_line_for_fact ctxt fact_prefix type_sys) |
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
695 |
(0 upto length facts - 1 ~~ facts)), |
41157 | 696 |
(class_relsN, map problem_line_for_class_rel_clause class_rel_clauses), |
697 |
(aritiesN, map problem_line_for_arity_clause arity_clauses), |
|
698 |
(helpersN, []), |
|
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
699 |
(conjsN, map (problem_line_for_conjecture ctxt type_sys) conjs), |
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
|
700 |
(free_typesN, problem_lines_for_free_types type_sys (facts @ conjs))] |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
701 |
val const_tab = const_table_for_problem explicit_apply problem |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
702 |
val problem = |
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
703 |
problem |> repair_problem thy explicit_forall type_sys const_tab |
41157 | 704 |
val helper_lines = |
41145
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset
|
705 |
get_helper_facts ctxt explicit_forall type_sys |
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset
|
706 |
(maps (map (#3 o dest_Fof) o snd) problem) |
42180
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
707 |
|>> map (pair 0 |
a6c141925a8a
added monomorphization option to Sledgehammer ATPs -- this looks promising but is still off by default
blanchet
parents:
41990
diff
changeset
|
708 |
#> problem_line_for_fact ctxt helper_prefix type_sys |
41157 | 709 |
#> repair_problem_line thy explicit_forall type_sys const_tab) |
710 |
|> op @ |
|
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
711 |
val (problem, pool) = |
41157 | 712 |
problem |> AList.update (op =) (helpersN, helper_lines) |
41140
9c68004b8c9d
added Sledgehammer support for higher-order propositional reasoning
blanchet
parents:
41138
diff
changeset
|
713 |
|> nice_atp_problem readable_names |
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
714 |
in |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
715 |
(problem, |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
716 |
case pool of SOME the_pool => snd the_pool | NONE => Symtab.empty, |
41157 | 717 |
offset_of_heading_in_problem conjsN problem 0, |
718 |
fact_names |> Vector.fromList) |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
719 |
end |
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
720 |
|
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
721 |
(* FUDGE *) |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
722 |
val conj_weight = 0.0 |
41770 | 723 |
val hyp_weight = 0.1 |
724 |
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
|
725 |
val fact_max_weight = 1.0 |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
726 |
|
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
727 |
fun add_term_weights weight (ATerm (s, tms)) = |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
728 |
(not (is_atp_variable s) andalso s <> "equal") ? Symtab.default (s, weight) |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
729 |
#> fold (add_term_weights weight) tms |
41769
eb2e39555f98
extended ATP problem syntax to support other applications than Sledgehammer, e.g. experiments with ATPs
blanchet
parents:
41748
diff
changeset
|
730 |
fun add_problem_line_weights weight (Fof (_, _, phi, _)) = |
41384 | 731 |
fold_formula (add_term_weights weight) phi |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
732 |
|
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
733 |
fun add_conjectures_weights [] = I |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
734 |
| add_conjectures_weights conjs = |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
735 |
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
|
736 |
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
|
737 |
#> 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
|
738 |
end |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
739 |
|
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
740 |
fun add_facts_weights facts = |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
741 |
let |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
742 |
val num_facts = length facts |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
743 |
fun weight_of j = |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
744 |
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
|
745 |
/ Real.fromInt num_facts |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
746 |
in |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
747 |
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
|
748 |
|> 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
|
749 |
end |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
750 |
|
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
751 |
(* 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
|
752 |
fun atp_problem_weights problem = |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
753 |
Symtab.empty |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
754 |
|> add_conjectures_weights (these (AList.lookup (op =) problem conjsN)) |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
755 |
|> add_facts_weights (these (AList.lookup (op =) problem factsN)) |
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
756 |
|> Symtab.dest |
41726 | 757 |
|> sort (prod_ord Real.compare string_ord o pairself swap) |
41313
a96ac4d180b7
optionally supply constant weights to E -- turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset
|
758 |
|
38282
319c59682c51
move Sledgehammer's HOL -> FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset
|
759 |
end; |