author  blanchet 
Tue, 07 Jun 2011 14:17:35 +0200  
changeset 43248  69375eaa9016 
parent 43222  d90151a666cc 
child 43258  956895f99904 
permissions  rwrr 
40114  1 
(* Title: HOL/Tools/Sledgehammer/sledgehammer_atp_translate.ML 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

2 
Author: Fabian Immler, TU Muenchen 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

3 
Author: Makarius 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

4 
Author: Jasmin Blanchette, TU Muenchen 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

5 

39494
bf7dd4902321
rename "Metis_Clauses" to "Metis_Translate" for consistency with "Sledgehammer_Translate"
blanchet
parents:
39452
diff
changeset

6 
Translation of HOL to FOL for Sledgehammer. 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

7 
*) 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

8 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

9 
signature ATP_TRANSLATE = 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

10 
sig 
42227
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset

11 
type 'a fo_term = 'a ATP_Problem.fo_term 
43136
cf5cda219058
handle lightweight tags sym theorems gracefully in the presence of TVars with interesting type classes
blanchet
parents:
43130
diff
changeset

12 
type connective = ATP_Problem.connective 
cf5cda219058
handle lightweight tags sym theorems gracefully in the presence of TVars with interesting type classes
blanchet
parents:
43130
diff
changeset

13 
type ('a, 'b, 'c) formula = ('a, 'b, 'c) ATP_Problem.formula 
42939  14 
type format = ATP_Problem.format 
42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

15 
type formula_kind = ATP_Problem.formula_kind 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

16 
type 'a problem = 'a ATP_Problem.problem 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

17 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

18 
type name = string * string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

19 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

20 
datatype type_literal = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

21 
TyLitVar of name * name  
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

22 
TyLitFree of name * name 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

23 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

24 
datatype arity_literal = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

25 
TConsLit of name * name * name list  
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

26 
TVarLit of name * name 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

27 

43086  28 
type arity_clause = 
29 
{name: string, 

30 
prem_lits: arity_literal list, 

31 
concl_lits: arity_literal} 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

32 

43086  33 
type class_rel_clause = 
34 
{name: string, 

35 
subclass: name, 

36 
superclass: name} 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

37 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

38 
datatype combterm = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

39 
CombConst of name * typ * typ list  
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

40 
CombVar of name * typ  
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

41 
CombApp of combterm * combterm 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

42 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

43 
datatype locality = General  Intro  Elim  Simp  Local  Assum  Chained 
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

44 

23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

45 
datatype polymorphism = Polymorphic  Monomorphic  Mangled_Monomorphic 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

46 
datatype type_level = 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

47 
All_Types  Nonmonotonic_Types  Finite_Types  Const_Arg_Types  No_Types 
43128  48 
datatype type_heaviness = Heavyweight  Lightweight 
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

49 

43102  50 
datatype type_sys = 
42722  51 
Simple_Types of type_level  
42837  52 
Preds of polymorphism * type_level * type_heaviness  
53 
Tags of polymorphism * type_level * type_heaviness 

42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

54 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

55 
val bound_var_prefix : string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

56 
val schematic_var_prefix: string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

57 
val fixed_var_prefix: string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

58 
val tvar_prefix: string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

59 
val tfree_prefix: string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

60 
val const_prefix: string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

61 
val type_const_prefix: string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

62 
val class_prefix: string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

63 
val skolem_const_prefix : string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

64 
val old_skolem_const_prefix : string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

65 
val new_skolem_const_prefix : string 
43125
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset

66 
val type_decl_prefix : string 
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset

67 
val sym_decl_prefix : string 
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset

68 
val preds_sym_formula_prefix : string 
43129  69 
val lightweight_tags_sym_formula_prefix : string 
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer  but keep "Axiom" in the lowerlevel "ATP_Problem" module
blanchet
parents:
40145
diff
changeset

70 
val fact_prefix : string 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

71 
val conjecture_prefix : string 
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset

72 
val helper_prefix : string 
43125
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset

73 
val class_rel_clause_prefix : string 
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset

74 
val arity_clause_prefix : string 
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset

75 
val tfree_clause_prefix : string 
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset

76 
val typed_helper_suffix : string 
43125
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset

77 
val untyped_helper_suffix : string 
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

78 
val type_tag_idempotence_helper_name : string 
42966
4e2d6c1e5392
more work on parsing LEOII proofs without lambdas
blanchet
parents:
42963
diff
changeset

79 
val predicator_name : string 
4e2d6c1e5392
more work on parsing LEOII proofs without lambdas
blanchet
parents:
42963
diff
changeset

80 
val app_op_name : string 
43104
81d1b15aa0ae
use ":" for type information (looks good in Metis's output) and handle it in new path finder
blanchet
parents:
43102
diff
changeset

81 
val type_tag_name : string 
42966
4e2d6c1e5392
more work on parsing LEOII proofs without lambdas
blanchet
parents:
42963
diff
changeset

82 
val type_pred_name : string 
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset

83 
val simple_type_prefix : string 
43174  84 
val prefixed_predicator_name : string 
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset

85 
val prefixed_app_op_name : string 
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset

86 
val prefixed_type_tag_name : string 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

87 
val ascii_of: string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

88 
val unascii_of: string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

89 
val strip_prefix_and_unascii : string > string > string option 
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

90 
val proxy_table : (string * (string * (thm * (string * string)))) list 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

91 
val proxify_const : string > (string * string) option 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

92 
val invert_const: string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

93 
val unproxify_const: string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

94 
val make_bound_var : string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

95 
val make_schematic_var : string * int > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

96 
val make_fixed_var : string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

97 
val make_schematic_type_var : string * int > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

98 
val make_fixed_type_var : string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

99 
val make_fixed_const : string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

100 
val make_fixed_type_const : string > string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

101 
val make_type_class : string > string 
43093  102 
val new_skolem_var_name_from_const : string > string 
103 
val num_type_args : theory > string > int 

43248
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

104 
val atp_irrelevant_consts : string list 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

105 
val atp_schematic_consts_of : term > typ list Symtab.table 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

106 
val make_arity_clauses : 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

107 
theory > string list > class list > class list * arity_clause list 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

108 
val make_class_rel_clauses : 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

109 
theory > class list > class list > class_rel_clause list 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

110 
val combtyp_of : combterm > typ 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

111 
val strip_combterm_comb : combterm > combterm * combterm list 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

112 
val atyps_of : typ > typ list 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

113 
val combterm_from_term : 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

114 
theory > (string * typ) list > term > combterm * typ list 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

115 
val is_locality_global : locality > bool 
43102  116 
val type_sys_from_string : string > type_sys 
117 
val polymorphism_of_type_sys : type_sys > polymorphism 

118 
val level_of_type_sys : type_sys > type_level 

119 
val is_type_sys_virtually_sound : type_sys > bool 

120 
val is_type_sys_fairly_sound : type_sys > bool 

121 
val choose_format : format list > type_sys > format * type_sys 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

122 
val raw_type_literals_for_types : typ list > type_literal list 
43136
cf5cda219058
handle lightweight tags sym theorems gracefully in the presence of TVars with interesting type classes
blanchet
parents:
43130
diff
changeset

123 
val mk_aconns : 
cf5cda219058
handle lightweight tags sym theorems gracefully in the presence of TVars with interesting type classes
blanchet
parents:
43130
diff
changeset

124 
connective > ('a, 'b, 'c) formula list > ('a, 'b, 'c) formula 
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset

125 
val unmangled_const_name : string > string 
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

126 
val unmangled_const : string > string * string fo_term list 
43194  127 
val helper_table : ((string * bool) * thm list) list 
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

128 
val should_specialize_helper : type_sys > term > bool 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

129 
val tfree_classes_of_terms : term list > string list 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

130 
val tvar_classes_of_terms : term list > string list 
43189  131 
val type_constrs_of_terms : theory > term list > string list 
40059
6ad9081665db
use consistent terminology in Sledgehammer: "prover = ATP or SMT solver or ..."
blanchet
parents:
39975
diff
changeset

132 
val prepare_atp_problem : 
43102  133 
Proof.context > format > formula_kind > formula_kind > type_sys 
43096  134 
> bool option > bool > bool > term list > term 
43222  135 
> ((string * locality) * term) list 
42541
8938507b2054
move type declarations to the front, for TFFcompliance
blanchet
parents:
42540
diff
changeset

136 
> string problem * string Symtab.table * int * int 
43214  137 
* (string * locality) list vector * int list * int Symtab.table 
41313
a96ac4d180b7
optionally supply constant weights to E  turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset

138 
val atp_problem_weights : string problem > (string * real) list 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

139 
end; 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

140 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

141 
structure ATP_Translate : ATP_TRANSLATE = 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

142 
struct 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

143 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

144 
open ATP_Util 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

145 
open ATP_Problem 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

146 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

147 
type name = string * string 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

148 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

149 
(* FIXME: avoid *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

150 
fun union_all xss = fold (union (op =)) xss [] 
42640
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset

151 

879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset

152 
(* experimental *) 
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset

153 
val generate_useful_info = false 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

154 

42879  155 
fun useful_isabelle_info s = 
156 
if generate_useful_info then 

157 
SOME (ATerm ("[]", [ATerm ("isabelle_" ^ s, [])])) 

158 
else 

159 
NONE 

160 

161 
val intro_info = useful_isabelle_info "intro" 

162 
val elim_info = useful_isabelle_info "elim" 

163 
val simp_info = useful_isabelle_info "simp" 

164 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

165 
val bound_var_prefix = "B_" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

166 
val schematic_var_prefix = "V_" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

167 
val fixed_var_prefix = "v_" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

168 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

169 
val tvar_prefix = "T_" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

170 
val tfree_prefix = "t_" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

171 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

172 
val const_prefix = "c_" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

173 
val type_const_prefix = "tc_" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

174 
val class_prefix = "cl_" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

175 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

176 
val skolem_const_prefix = "Sledgehammer" ^ Long_Name.separator ^ "Sko" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

177 
val old_skolem_const_prefix = skolem_const_prefix ^ "o" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

178 
val new_skolem_const_prefix = skolem_const_prefix ^ "n" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

179 

42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset

180 
val type_decl_prefix = "ty_" 
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset

181 
val sym_decl_prefix = "sy_" 
43125
ddf63baabdec
distinguish different kinds of typing informations in the fact name
blanchet
parents:
43121
diff
changeset

182 
val preds_sym_formula_prefix = "psy_" 
43129  183 
val lightweight_tags_sym_formula_prefix = "tsy_" 
40204
da97d75e20e6
standardize on "fact" terminology (vs. "axiom" or "theorem") in Sledgehammer  but keep "Axiom" in the lowerlevel "ATP_Problem" module
blanchet
parents:
40145
diff
changeset

184 
val fact_prefix = "fact_" 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

185 
val conjecture_prefix = "conj_" 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

186 
val helper_prefix = "help_" 
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

187 
val class_rel_clause_prefix = "clar_" 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

188 
val arity_clause_prefix = "arity_" 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

189 
val tfree_clause_prefix = "tfree_" 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

190 

42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset

191 
val typed_helper_suffix = "_T" 
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset

192 
val untyped_helper_suffix = "_U" 
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

193 
val type_tag_idempotence_helper_name = helper_prefix ^ "ti_idem" 
42881
dbdfe2d5b6ab
automatically use "metisFT" when typed helpers are necessary
blanchet
parents:
42879
diff
changeset

194 

42966
4e2d6c1e5392
more work on parsing LEOII proofs without lambdas
blanchet
parents:
42963
diff
changeset

195 
val predicator_name = "hBOOL" 
4e2d6c1e5392
more work on parsing LEOII proofs without lambdas
blanchet
parents:
42963
diff
changeset

196 
val app_op_name = "hAPP" 
43104
81d1b15aa0ae
use ":" for type information (looks good in Metis's output) and handle it in new path finder
blanchet
parents:
43102
diff
changeset

197 
val type_tag_name = "ti" 
42966
4e2d6c1e5392
more work on parsing LEOII proofs without lambdas
blanchet
parents:
42963
diff
changeset

198 
val type_pred_name = "is" 
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset

199 
val simple_type_prefix = "ty_" 
42531
a462dbaa584f
added more rudimentary type support to Sledgehammer's ATP encoding
blanchet
parents:
42530
diff
changeset

200 

43174  201 
val prefixed_predicator_name = const_prefix ^ predicator_name 
43130
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset

202 
val prefixed_app_op_name = const_prefix ^ app_op_name 
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset

203 
val prefixed_type_tag_name = const_prefix ^ type_tag_name 
d73fc2e55308
implemented missing hAPP and ti cases of new path finder
blanchet
parents:
43129
diff
changeset

204 

38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

205 
(* Freshness almost guaranteed! *) 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

206 
val sledgehammer_weak_prefix = "Sledgehammer:" 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

207 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

208 
(*Escaping of special characters. 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

209 
Alphanumeric characters are left unchanged. 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

210 
The character _ goes to __ 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

211 
Characters in the range ASCII space to / go to _A to _P, respectively. 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

212 
Other characters go to _nnn where nnn is the decimal ASCII code.*) 
43093  213 
val upper_a_minus_space = Char.ord #"A"  Char.ord #" " 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

214 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

215 
fun stringN_of_int 0 _ = "" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

216 
 stringN_of_int k n = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

217 
stringN_of_int (k  1) (n div 10) ^ string_of_int (n mod 10) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

218 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

219 
fun ascii_of_char c = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

220 
if Char.isAlphaNum c then 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

221 
String.str c 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

222 
else if c = #"_" then 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

223 
"__" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

224 
else if #" " <= c andalso c <= #"/" then 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

225 
"_" ^ String.str (Char.chr (Char.ord c + upper_a_minus_space)) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

226 
else 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

227 
(* fixed width, in case more digits follow *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

228 
"_" ^ stringN_of_int 3 (Char.ord c) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

229 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

230 
val ascii_of = String.translate ascii_of_char 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

231 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

232 
(** Remove ASCII armoring from names in proof files **) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

233 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

234 
(* We don't raise error exceptions because this code can run inside a worker 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

235 
thread. Also, the errors are impossible. *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

236 
val unascii_of = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

237 
let 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

238 
fun un rcs [] = String.implode(rev rcs) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

239 
 un rcs [#"_"] = un (#"_" :: rcs) [] (* ERROR *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

240 
(* Three types of _ escapes: __, _A to _P, _nnn *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

241 
 un rcs (#"_" :: #"_" :: cs) = un (#"_"::rcs) cs 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

242 
 un rcs (#"_" :: c :: cs) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

243 
if #"A" <= c andalso c<= #"P" then 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

244 
(* translation of #" " to #"/" *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

245 
un (Char.chr (Char.ord c  upper_a_minus_space) :: rcs) cs 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

246 
else 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

247 
let val digits = List.take (c::cs, 3) handle Subscript => [] in 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

248 
case Int.fromString (String.implode digits) of 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

249 
SOME n => un (Char.chr n :: rcs) (List.drop (cs, 2)) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

250 
 NONE => un (c:: #"_"::rcs) cs (* ERROR *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

251 
end 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

252 
 un rcs (c :: cs) = un (c :: rcs) cs 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

253 
in un [] o String.explode end 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

254 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

255 
(* If string s has the prefix s1, return the result of deleting it, 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

256 
unASCII'd. *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

257 
fun strip_prefix_and_unascii s1 s = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

258 
if String.isPrefix s1 s then 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

259 
SOME (unascii_of (String.extract (s, size s1, NONE))) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

260 
else 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

261 
NONE 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

262 

43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

263 
val proxy_table = 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

264 
[("c_False", (@{const_name False}, (@{thm fFalse_def}, 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

265 
("fFalse", @{const_name ATP.fFalse})))), 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

266 
("c_True", (@{const_name True}, (@{thm fTrue_def}, 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

267 
("fTrue", @{const_name ATP.fTrue})))), 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

268 
("c_Not", (@{const_name Not}, (@{thm fNot_def}, 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

269 
("fNot", @{const_name ATP.fNot})))), 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

270 
("c_conj", (@{const_name conj}, (@{thm fconj_def}, 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

271 
("fconj", @{const_name ATP.fconj})))), 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

272 
("c_disj", (@{const_name disj}, (@{thm fdisj_def}, 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

273 
("fdisj", @{const_name ATP.fdisj})))), 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

274 
("c_implies", (@{const_name implies}, (@{thm fimplies_def}, 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

275 
("fimplies", @{const_name ATP.fimplies})))), 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

276 
("equal", (@{const_name HOL.eq}, (@{thm fequal_def}, 
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

277 
("fequal", @{const_name ATP.fequal}))))] 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

278 

43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

279 
val proxify_const = AList.lookup (op =) proxy_table #> Option.map (snd o snd) 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

280 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

281 
(* Readable names for the more common symbolic functions. Do not mess with the 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

282 
table unless you know what you are doing. *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

283 
val const_trans_table = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

284 
[(@{type_name Product_Type.prod}, "prod"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

285 
(@{type_name Sum_Type.sum}, "sum"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

286 
(@{const_name False}, "False"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

287 
(@{const_name True}, "True"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

288 
(@{const_name Not}, "Not"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

289 
(@{const_name conj}, "conj"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

290 
(@{const_name disj}, "disj"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

291 
(@{const_name implies}, "implies"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

292 
(@{const_name HOL.eq}, "equal"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

293 
(@{const_name If}, "If"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

294 
(@{const_name Set.member}, "member"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

295 
(@{const_name Meson.COMBI}, "COMBI"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

296 
(@{const_name Meson.COMBK}, "COMBK"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

297 
(@{const_name Meson.COMBB}, "COMBB"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

298 
(@{const_name Meson.COMBC}, "COMBC"), 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

299 
(@{const_name Meson.COMBS}, "COMBS")] 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

300 
> Symtab.make 
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

301 
> fold (Symtab.update o swap o snd o snd o snd) proxy_table 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

302 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

303 
(* Invert the table of translations between Isabelle and ATPs. *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

304 
val const_trans_table_inv = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

305 
const_trans_table > Symtab.dest > map swap > Symtab.make 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

306 
val const_trans_table_unprox = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

307 
Symtab.empty 
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

308 
> fold (fn (_, (isa, (_, (_, atp)))) => Symtab.update (atp, isa)) proxy_table 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

309 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

310 
val invert_const = perhaps (Symtab.lookup const_trans_table_inv) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

311 
val unproxify_const = perhaps (Symtab.lookup const_trans_table_unprox) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

312 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

313 
fun lookup_const c = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

314 
case Symtab.lookup const_trans_table c of 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

315 
SOME c' => c' 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

316 
 NONE => ascii_of c 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

317 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

318 
(*Remove the initial ' character from a type variable, if it is present*) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

319 
fun trim_type_var s = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

320 
if s <> "" andalso String.sub(s,0) = #"'" then String.extract(s,1,NONE) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

321 
else raise Fail ("trim_type: Malformed type variable encountered: " ^ s) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

322 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

323 
fun ascii_of_indexname (v,0) = ascii_of v 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

324 
 ascii_of_indexname (v,i) = ascii_of v ^ "_" ^ string_of_int i 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

325 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

326 
fun make_bound_var x = bound_var_prefix ^ ascii_of x 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

327 
fun make_schematic_var v = schematic_var_prefix ^ ascii_of_indexname v 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

328 
fun make_fixed_var x = fixed_var_prefix ^ ascii_of x 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

329 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

330 
fun make_schematic_type_var (x,i) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

331 
tvar_prefix ^ (ascii_of_indexname (trim_type_var x, i)) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

332 
fun make_fixed_type_var x = tfree_prefix ^ (ascii_of (trim_type_var x)) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

333 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

334 
(* HOL.eq MUST BE "equal" because it's built into ATPs. *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

335 
fun make_fixed_const @{const_name HOL.eq} = "equal" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

336 
 make_fixed_const c = const_prefix ^ lookup_const c 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

337 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

338 
fun make_fixed_type_const c = type_const_prefix ^ lookup_const c 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

339 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

340 
fun make_type_class clas = class_prefix ^ ascii_of clas 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

341 

43093  342 
fun new_skolem_var_name_from_const s = 
343 
let val ss = s > space_explode Long_Name.separator in 

344 
nth ss (length ss  2) 

345 
end 

346 

347 
(* The number of type arguments of a constant, zero if it's monomorphic. For 

348 
(instances of) Skolem pseudoconstants, this information is encoded in the 

349 
constant name. *) 

350 
fun num_type_args thy s = 

351 
if String.isPrefix skolem_const_prefix s then 

352 
s > space_explode Long_Name.separator > List.last > Int.fromString > the 

353 
else 

354 
(s, Sign.the_const_type thy s) > Sign.const_typargs thy > length 

355 

43248
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

356 
(* These are either simplified away by "Meson.presimplify" (most of the time) or 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

357 
handled specially via "fFalse", "fTrue", ..., "fequal". *) 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

358 
val atp_irrelevant_consts = 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

359 
[@{const_name False}, @{const_name True}, @{const_name Not}, 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

360 
@{const_name conj}, @{const_name disj}, @{const_name implies}, 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

361 
@{const_name HOL.eq}, @{const_name If}, @{const_name Let}] 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

362 

69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

363 
val atp_monomorph_bad_consts = 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

364 
atp_irrelevant_consts @ 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

365 
(* These are ignored anyway by the relevance filter (unless they appear in 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

366 
higherorder places) but not by the monomorphizer. *) 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

367 
[@{const_name all}, @{const_name "==>"}, @{const_name "=="}, 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

368 
@{const_name Trueprop}, @{const_name All}, @{const_name Ex}, 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

369 
@{const_name Ex1}, @{const_name Ball}, @{const_name Bex}] 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

370 

69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

371 
val atp_schematic_consts_of = 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

372 
Monomorph.all_schematic_consts_of 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

373 
#> Symtab.map (fn s => fn Ts => 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

374 
if member (op =) atp_monomorph_bad_consts s then [] else Ts) 
69375eaa9016
more suitable implementation of "schematic_consts_of" for monomorphizer, for ATPs
blanchet
parents:
43222
diff
changeset

375 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

376 
(** Definitions and functions for FOL clauses and formulas for TPTP **) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

377 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

378 
(* The first component is the type class; the second is a "TVar" or "TFree". *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

379 
datatype type_literal = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

380 
TyLitVar of name * name  
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

381 
TyLitFree of name * name 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

382 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

383 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

384 
(** Isabelle arities **) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

385 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

386 
datatype arity_literal = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

387 
TConsLit of name * name * name list  
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

388 
TVarLit of name * name 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

389 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

390 
fun gen_TVars 0 = [] 
43093  391 
 gen_TVars n = ("T_" ^ string_of_int n) :: gen_TVars (n1) 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

392 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

393 
fun pack_sort (_,[]) = [] 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

394 
 pack_sort (tvar, "HOL.type" :: srt) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

395 
pack_sort (tvar, srt) (* IGNORE sort "type" *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

396 
 pack_sort (tvar, cls :: srt) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

397 
(`make_type_class cls, `I tvar) :: pack_sort (tvar, srt) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

398 

43086  399 
type arity_clause = 
400 
{name: string, 

401 
prem_lits: arity_literal list, 

402 
concl_lits: arity_literal} 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

403 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

404 
(* Arity of type constructor "tcon :: (arg1, ..., argN) res" *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

405 
fun make_axiom_arity_clause (tcons, name, (cls, args)) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

406 
let 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

407 
val tvars = gen_TVars (length args) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

408 
val tvars_srts = ListPair.zip (tvars, args) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

409 
in 
43086  410 
{name = name, 
411 
prem_lits = map TVarLit (union_all (map pack_sort tvars_srts)), 

412 
concl_lits = TConsLit (`make_type_class cls, 

413 
`make_fixed_type_const tcons, 

414 
tvars ~~ tvars)} 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

415 
end 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

416 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

417 
fun arity_clause _ _ (_, []) = [] 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

418 
 arity_clause seen n (tcons, ("HOL.type",_)::ars) = (*ignore*) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

419 
arity_clause seen n (tcons,ars) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

420 
 arity_clause seen n (tcons, (ar as (class,_)) :: ars) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

421 
if member (op =) seen class then (*multiple arities for the same tycon, class pair*) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

422 
make_axiom_arity_clause (tcons, lookup_const tcons ^ "_" ^ class ^ "_" ^ string_of_int n, ar) :: 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

423 
arity_clause seen (n+1) (tcons,ars) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

424 
else 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

425 
make_axiom_arity_clause (tcons, lookup_const tcons ^ "_" ^ class, ar) :: 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

426 
arity_clause (class::seen) n (tcons,ars) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

427 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

428 
fun multi_arity_clause [] = [] 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

429 
 multi_arity_clause ((tcons, ars) :: tc_arlists) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

430 
arity_clause [] 1 (tcons, ars) @ multi_arity_clause tc_arlists 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

431 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

432 
(*Generate all pairs (tycon,class,sorts) such that tycon belongs to class in theory thy 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

433 
provided its arguments have the corresponding sorts.*) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

434 
fun type_class_pairs thy tycons classes = 
43093  435 
let 
436 
val alg = Sign.classes_of thy 

437 
fun domain_sorts tycon = Sorts.mg_domain alg tycon o single 

438 
fun add_class tycon class = 

439 
cons (class, domain_sorts tycon class) 

440 
handle Sorts.CLASS_ERROR _ => I 

441 
fun try_classes tycon = (tycon, fold (add_class tycon) classes []) 

442 
in map try_classes tycons end 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

443 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

444 
(*Proving one (tycon, class) membership may require proving others, so iterate.*) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

445 
fun iter_type_class_pairs _ _ [] = ([], []) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

446 
 iter_type_class_pairs thy tycons classes = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

447 
let val cpairs = type_class_pairs thy tycons classes 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

448 
val newclasses = union_all (union_all (union_all (map (map #2 o #2) cpairs))) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

449 
> subtract (op =) classes > subtract (op =) HOLogic.typeS 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

450 
val (classes', cpairs') = iter_type_class_pairs thy tycons newclasses 
43093  451 
in (union (op =) classes' classes, union (op =) cpairs' cpairs) end 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

452 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

453 
fun make_arity_clauses thy tycons = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

454 
iter_type_class_pairs thy tycons ##> multi_arity_clause 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

455 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

456 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

457 
(** Isabelle class relations **) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

458 

43086  459 
type class_rel_clause = 
460 
{name: string, 

461 
subclass: name, 

462 
superclass: name} 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

463 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

464 
(*Generate all pairs (sub,super) such that sub is a proper subclass of super in theory thy.*) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

465 
fun class_pairs _ [] _ = [] 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

466 
 class_pairs thy subs supers = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

467 
let 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

468 
val class_less = Sorts.class_less (Sign.classes_of thy) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

469 
fun add_super sub super = class_less (sub, super) ? cons (sub, super) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

470 
fun add_supers sub = fold (add_super sub) supers 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

471 
in fold add_supers subs [] end 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

472 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

473 
fun make_class_rel_clause (sub,super) = 
43086  474 
{name = sub ^ "_" ^ super, 
475 
subclass = `make_type_class sub, 

476 
superclass = `make_type_class super} 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

477 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

478 
fun make_class_rel_clauses thy subs supers = 
43093  479 
map make_class_rel_clause (class_pairs thy subs supers) 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

480 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

481 
datatype combterm = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

482 
CombConst of name * typ * typ list  
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

483 
CombVar of name * typ  
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

484 
CombApp of combterm * combterm 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

485 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

486 
fun combtyp_of (CombConst (_, T, _)) = T 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

487 
 combtyp_of (CombVar (_, T)) = T 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

488 
 combtyp_of (CombApp (t1, _)) = snd (dest_funT (combtyp_of t1)) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

489 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

490 
(*gets the head of a combinator application, along with the list of arguments*) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

491 
fun strip_combterm_comb u = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

492 
let fun stripc (CombApp(t,u), ts) = stripc (t, u::ts) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

493 
 stripc x = x 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

494 
in stripc(u,[]) end 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

495 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

496 
fun atyps_of T = fold_atyps (insert (op =)) T [] 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

497 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

498 
fun new_skolem_const_name s num_T_args = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

499 
[new_skolem_const_prefix, s, string_of_int num_T_args] 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

500 
> space_implode Long_Name.separator 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

501 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

502 
(* Converts a term (with combinators) into a combterm. Also accumulates sort 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

503 
infomation. *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

504 
fun combterm_from_term thy bs (P $ Q) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

505 
let 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

506 
val (P', P_atomics_Ts) = combterm_from_term thy bs P 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

507 
val (Q', Q_atomics_Ts) = combterm_from_term thy bs Q 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

508 
in (CombApp (P', Q'), union (op =) P_atomics_Ts Q_atomics_Ts) end 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

509 
 combterm_from_term thy _ (Const (c, T)) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

510 
let 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

511 
val tvar_list = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

512 
(if String.isPrefix old_skolem_const_prefix c then 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

513 
[] > Term.add_tvarsT T > map TVar 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

514 
else 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

515 
(c, T) > Sign.const_typargs thy) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

516 
val c' = CombConst (`make_fixed_const c, T, tvar_list) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

517 
in (c', atyps_of T) end 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

518 
 combterm_from_term _ _ (Free (v, T)) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

519 
(CombConst (`make_fixed_var v, T, []), atyps_of T) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

520 
 combterm_from_term _ _ (Var (v as (s, _), T)) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

521 
(if String.isPrefix Meson_Clausify.new_skolem_var_prefix s then 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

522 
let 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

523 
val Ts = T > strip_type > swap > op :: 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

524 
val s' = new_skolem_const_name s (length Ts) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

525 
in CombConst (`make_fixed_const s', T, Ts) end 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

526 
else 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

527 
CombVar ((make_schematic_var v, s), T), atyps_of T) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

528 
 combterm_from_term _ bs (Bound j) = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

529 
nth bs j 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

530 
> (fn (s, T) => (CombConst (`make_bound_var s, T, []), atyps_of T)) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

531 
 combterm_from_term _ _ (Abs _) = raise Fail "HOL clause: Abs" 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

532 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

533 
datatype locality = General  Intro  Elim  Simp  Local  Assum  Chained 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

534 

0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

535 
(* (quasi)underapproximation of the truth *) 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

536 
fun is_locality_global Local = false 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

537 
 is_locality_global Assum = false 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

538 
 is_locality_global Chained = false 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

539 
 is_locality_global _ = true 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

540 

42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

541 
datatype polymorphism = Polymorphic  Monomorphic  Mangled_Monomorphic 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

542 
datatype type_level = 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

543 
All_Types  Nonmonotonic_Types  Finite_Types  Const_Arg_Types  No_Types 
43128  544 
datatype type_heaviness = Heavyweight  Lightweight 
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

545 

43102  546 
datatype type_sys = 
42722  547 
Simple_Types of type_level  
42837  548 
Preds of polymorphism * type_level * type_heaviness  
549 
Tags of polymorphism * type_level * type_heaviness 

42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

550 

42689
e38590764c34
versions of ! and ? for the ASCIIchallenged Mirabelle
blanchet
parents:
42688
diff
changeset

551 
fun try_unsuffixes ss s = 
e38590764c34
versions of ! and ? for the ASCIIchallenged Mirabelle
blanchet
parents:
42688
diff
changeset

552 
fold (fn s' => fn NONE => try (unsuffix s') s  some => some) ss NONE 
e38590764c34
versions of ! and ? for the ASCIIchallenged Mirabelle
blanchet
parents:
42688
diff
changeset

553 

42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

554 
fun type_sys_from_string s = 
42722  555 
(case try (unprefix "poly_") s of 
556 
SOME s => (SOME Polymorphic, s) 

42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

557 
 NONE => 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

558 
case try (unprefix "mono_") s of 
42722  559 
SOME s => (SOME Monomorphic, s) 
560 
 NONE => 

561 
case try (unprefix "mangled_") s of 

562 
SOME s => (SOME Mangled_Monomorphic, s) 

563 
 NONE => (NONE, s)) 

42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

564 
> (fn s => 
42689
e38590764c34
versions of ! and ? for the ASCIIchallenged Mirabelle
blanchet
parents:
42688
diff
changeset

565 
(* "_query" and "_bang" are for the ASCIIchallenged Mirabelle. *) 
e38590764c34
versions of ! and ? for the ASCIIchallenged Mirabelle
blanchet
parents:
42688
diff
changeset

566 
case try_unsuffixes ["?", "_query"] s of 
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

567 
SOME s => (Nonmonotonic_Types, s) 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

568 
 NONE => 
42689
e38590764c34
versions of ! and ? for the ASCIIchallenged Mirabelle
blanchet
parents:
42688
diff
changeset

569 
case try_unsuffixes ["!", "_bang"] s of 
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

570 
SOME s => (Finite_Types, s) 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

571 
 NONE => (All_Types, s)) 
42828  572 
> apsnd (fn s => 
42837  573 
case try (unsuffix "_heavy") s of 
43128  574 
SOME s => (Heavyweight, s) 
575 
 NONE => (Lightweight, s)) 

42837  576 
> (fn (poly, (level, (heaviness, core))) => 
577 
case (core, (poly, level, heaviness)) of 

43128  578 
("simple", (NONE, _, Lightweight)) => Simple_Types level 
42854
d99167ac4f8a
since we always default on the "_light" encoding (for good reasons, according to Judgment Day), get rid of that suffix
blanchet
parents:
42852
diff
changeset

579 
 ("preds", (SOME poly, _, _)) => Preds (poly, level, heaviness) 
42851
3bb63850488b
removed "poly_tags_light_bang" since highly unsound
blanchet
parents:
42837
diff
changeset

580 
 ("tags", (SOME Polymorphic, All_Types, _)) => 
42854
d99167ac4f8a
since we always default on the "_light" encoding (for good reasons, according to Judgment Day), get rid of that suffix
blanchet
parents:
42852
diff
changeset

581 
Tags (Polymorphic, All_Types, heaviness) 
42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset

582 
 ("tags", (SOME Polymorphic, _, _)) => 
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset

583 
(* The actual light encoding is very unsound. *) 
43128  584 
Tags (Polymorphic, level, Heavyweight) 
42854
d99167ac4f8a
since we always default on the "_light" encoding (for good reasons, according to Judgment Day), get rid of that suffix
blanchet
parents:
42852
diff
changeset

585 
 ("tags", (SOME poly, _, _)) => Tags (poly, level, heaviness) 
43128  586 
 ("args", (SOME poly, All_Types (* naja *), Lightweight)) => 
587 
Preds (poly, Const_Arg_Types, Lightweight) 

588 
 ("erased", (NONE, All_Types (* naja *), Lightweight)) => 

589 
Preds (Polymorphic, No_Types, Lightweight) 

42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset

590 
 _ => raise Same.SAME) 
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset

591 
handle Same.SAME => error ("Unknown type system: " ^ quote s ^ ".") 
42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

592 

42722  593 
fun polymorphism_of_type_sys (Simple_Types _) = Mangled_Monomorphic 
42828  594 
 polymorphism_of_type_sys (Preds (poly, _, _)) = poly 
595 
 polymorphism_of_type_sys (Tags (poly, _, _)) = poly 

42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

596 

42722  597 
fun level_of_type_sys (Simple_Types level) = level 
42828  598 
 level_of_type_sys (Preds (_, level, _)) = level 
599 
 level_of_type_sys (Tags (_, level, _)) = level 

600 

43128  601 
fun heaviness_of_type_sys (Simple_Types _) = Heavyweight 
42837  602 
 heaviness_of_type_sys (Preds (_, _, heaviness)) = heaviness 
603 
 heaviness_of_type_sys (Tags (_, _, heaviness)) = heaviness 

42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset

604 

42687  605 
fun is_type_level_virtually_sound level = 
606 
level = All_Types orelse level = Nonmonotonic_Types 

42613
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

607 
val is_type_sys_virtually_sound = 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

608 
is_type_level_virtually_sound o level_of_type_sys 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

609 

23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

610 
fun is_type_level_fairly_sound level = 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

611 
is_type_level_virtually_sound level orelse level = Finite_Types 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

612 
val is_type_sys_fairly_sound = is_type_level_fairly_sound o level_of_type_sys 
23b13b1bd565
use strings to encode type systems in ATP module, to reduce the amount of outofplace information and also to make it easier to print the type system used
blanchet
parents:
42612
diff
changeset

613 

42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

614 
fun is_setting_higher_order THF (Simple_Types _) = true 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

615 
 is_setting_higher_order _ _ = false 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

616 

43101
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

617 
fun choose_format formats (Simple_Types level) = 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

618 
if member (op =) formats THF then (THF, Simple_Types level) 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

619 
else if member (op =) formats TFF then (TFF, Simple_Types level) 
43128  620 
else choose_format formats (Preds (Mangled_Monomorphic, level, Heavyweight)) 
43101
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

621 
 choose_format formats type_sys = 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

622 
(case hd formats of 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

623 
CNF_UEQ => 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

624 
(CNF_UEQ, case type_sys of 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

625 
Preds stuff => 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

626 
(if is_type_sys_fairly_sound type_sys then Preds else Tags) 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

627 
stuff 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

628 
 _ => type_sys) 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

629 
 format => (format, type_sys)) 
1d46d85cd78b
make "prepare_atp_problem" more robust w.r.t. choice of type system
blanchet
parents:
43098
diff
changeset

630 

40114  631 
type translated_formula = 
38752
6628adcae4a7
consider "locality" when assigning weights to facts
blanchet
parents:
38748
diff
changeset

632 
{name: string, 
42640
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset

633 
locality: locality, 
42525
7a506b0b644f
distinguish FOF and TFF (typed firstorder) in ATP abstract syntax tree
blanchet
parents:
42524
diff
changeset

634 
kind: formula_kind, 
42562  635 
combformula: (name, typ, combterm) formula, 
636 
atomic_types: typ list} 

38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

637 

42640
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset

638 
fun update_combformula f ({name, locality, kind, combformula, atomic_types} 
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset

639 
: translated_formula) = 
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset

640 
{name = name, locality = locality, kind = kind, combformula = f combformula, 
42562  641 
atomic_types = atomic_types} : translated_formula 
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

642 

42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset

643 
fun fact_lift f ({combformula, ...} : translated_formula) = f combformula 
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset

644 

43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

645 
val type_instance = Sign.typ_instance o Proof_Context.theory_of 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

646 

b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

647 
fun insert_type ctxt get_T x xs = 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

648 
let val T = get_T x in 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

649 
if exists (curry (type_instance ctxt) T o get_T) xs then xs 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

650 
else x :: filter_out (curry (type_instance ctxt o swap) T o get_T) xs 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

651 
end 
42677
25496cd3c199
monotonic type inference in ATP Sledgehammer problems  based on Claessen & al.'s CADE 2011 paper, Sect. 2.3.
blanchet
parents:
42675
diff
changeset

652 

42753
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset

653 
(* The Booleans indicate whether all type arguments should be kept. *) 
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset

654 
datatype type_arg_policy = 
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset

655 
Explicit_Type_Args of bool  
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset

656 
Mangled_Type_Args of bool  
c9552e617acc
drop some type arguments to constants in unsound type systems + remove a few type systems that make no sense from the circulation
blanchet
parents:
42750
diff
changeset

657 
No_Type_Args 
41136
30bedf58b177
implemented new type system encoding "overload_args", which is more lightweight than "const_args" (the unsound default) and hopefully almost as sound
blanchet
parents:
41134
diff
changeset

658 

42836  659 
fun should_drop_arg_type_args (Simple_Types _) = 
660 
false (* since TFF doesn't support overloading *) 

661 
 should_drop_arg_type_args type_sys = 

662 
level_of_type_sys type_sys = All_Types andalso 

43128  663 
heaviness_of_type_sys type_sys = Heavyweight 
42831
c9b0968484fb
more work on "shallow" encoding + adjustments to other encodings
blanchet
parents:
42830
diff
changeset

664 

43128  665 
fun general_type_arg_policy (Tags (_, All_Types, Heavyweight)) = No_Type_Args 
43105
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

666 
 general_type_arg_policy type_sys = 
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

667 
if level_of_type_sys type_sys = No_Types then 
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

668 
No_Type_Args 
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

669 
else if polymorphism_of_type_sys type_sys = Mangled_Monomorphic then 
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

670 
Mangled_Type_Args (should_drop_arg_type_args type_sys) 
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

671 
else 
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

672 
Explicit_Type_Args (should_drop_arg_type_args type_sys) 
42563  673 

42951
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset

674 
fun type_arg_policy type_sys s = 
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset

675 
if s = @{const_name HOL.eq} orelse 
42966
4e2d6c1e5392
more work on parsing LEOII proofs without lambdas
blanchet
parents:
42963
diff
changeset

676 
(s = app_op_name andalso level_of_type_sys type_sys = Const_Arg_Types) then 
42951
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset

677 
No_Type_Args 
43105
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

678 
else if s = type_tag_name then 
bb0ceef7d39f
no need for type arguments with "xxx_tags_heavy" type system
blanchet
parents:
43104
diff
changeset

679 
Explicit_Type_Args false 
42951
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset

680 
else 
40bf0173fbed
pass no type args to hAPP in "poly_args" type system, which is unsound anyway and should correspond as closely as possible to the old unsound encoding
blanchet
parents:
42944
diff
changeset

681 
general_type_arg_policy type_sys 
42227
662b50b7126f
if "monomorphize" is enabled, mangle the type information in the names by default
blanchet
parents:
42180
diff
changeset

682 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

683 
(*Make literals for sorted type variables*) 
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

684 
fun generic_sorts_on_type (_, []) = [] 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

685 
 generic_sorts_on_type ((x, i), s :: ss) = 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

686 
generic_sorts_on_type ((x, i), ss) 
43093  687 
> (if s = the_single @{sort HOL.type} then 
688 
I 

689 
else if i = ~1 then 

690 
cons (TyLitFree (`make_type_class s, `make_fixed_type_var x)) 

691 
else 

692 
cons (TyLitVar (`make_type_class s, 

693 
(make_schematic_type_var (x, i), x)))) 

43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

694 
fun sorts_on_tfree (TFree (s, S)) = generic_sorts_on_type ((s, ~1), S) 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

695 
 sorts_on_tfree _ = [] 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

696 
fun sorts_on_tvar (TVar z) = generic_sorts_on_type z 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

697 
 sorts_on_tvar _ = [] 
43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

698 

43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

699 
(* Given a list of sorted type variables, return a list of type literals. *) 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

700 
fun raw_type_literals_for_types Ts = 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

701 
union_all (map sorts_on_tfree Ts @ map sorts_on_tvar Ts) 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

702 

e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

703 
fun type_literals_for_types type_sys sorts_on_typ Ts = 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

704 
if level_of_type_sys type_sys = No_Types then [] 
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

705 
else union_all (map sorts_on_typ Ts) 
41137
8b634031b2a5
implemented "no_types" encoding, which is too unsound to be useful but can come in handy for evaluations
blanchet
parents:
41136
diff
changeset

706 

42534
46e690db16b8
fake type declarations for fulltype args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset

707 
fun mk_aconns c phis = 
46e690db16b8
fake type declarations for fulltype args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset

708 
let val (phis', phi') = split_last phis in 
46e690db16b8
fake type declarations for fulltype args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset

709 
fold_rev (mk_aconn c) phis' phi' 
46e690db16b8
fake type declarations for fulltype args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset

710 
end 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

711 
fun mk_ahorn [] phi = phi 
42534
46e690db16b8
fake type declarations for fulltype args and mangled type encodings, so that type assumptions can be discharged
blanchet
parents:
42533
diff
changeset

712 
 mk_ahorn phis psi = AConn (AImplies, [mk_aconns AAnd phis, psi]) 
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

713 
fun mk_aquant _ [] phi = phi 
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

714 
 mk_aquant q xs (phi as AQuant (q', xs', phi')) = 
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

715 
if q = q' then AQuant (q, xs @ xs', phi') else AQuant (q, xs, phi) 
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

716 
 mk_aquant q xs phi = AQuant (q, xs, phi) 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

717 

42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

718 
fun close_universally atom_vars phi = 
41145
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset

719 
let 
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset

720 
fun formula_vars bounds (AQuant (_, xs, phi)) = 
42526  721 
formula_vars (map fst xs @ bounds) phi 
41145
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset

722 
 formula_vars bounds (AConn (_, phis)) = fold (formula_vars bounds) phis 
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

723 
 formula_vars bounds (AAtom tm) = 
42526  724 
union (op =) (atom_vars tm [] 
725 
> filter_out (member (op =) bounds o fst)) 

42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

726 
in mk_aquant AForall (formula_vars [] phi []) phi end 
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

727 

42531
a462dbaa584f
added more rudimentary type support to Sledgehammer's ATP encoding
blanchet
parents:
42530
diff
changeset

728 
fun combterm_vars (CombApp (tm1, tm2)) = fold combterm_vars [tm1, tm2] 
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

729 
 combterm_vars (CombConst _) = I 
42574  730 
 combterm_vars (CombVar (name, T)) = insert (op =) (name, SOME T) 
42674  731 
fun close_combformula_universally phi = close_universally combterm_vars phi 
42522
413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

732 

413b56894f82
close ATP formulas universally earlier, so that we can add type predicates
blanchet
parents:
42521
diff
changeset

733 
fun term_vars (ATerm (name as (s, _), tms)) = 
42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset

734 
is_tptp_variable s ? insert (op =) (name, NONE) #> fold term_vars tms 
42674  735 
fun close_formula_universally phi = close_universally term_vars phi 
41145
a5ee3b8e5a90
improve partially tagged encoding by adding a helper fact that coalesces consecutive "ti" tags
blanchet
parents:
41140
diff
changeset

736 

42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

737 
val homo_infinite_type_name = @{type_name ind} (* any infinite type *) 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

738 
val homo_infinite_type = Type (homo_infinite_type_name, []) 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

739 

43178
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

740 
fun fo_term_from_typ format type_sys = 
42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

741 
let 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

742 
fun term (Type (s, Ts)) = 
43178
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

743 
ATerm (case (is_setting_higher_order format type_sys, s) of 
42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

744 
(true, @{type_name bool}) => `I tptp_bool_type 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

745 
 (true, @{type_name fun}) => `I tptp_fun_type 
43178
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

746 
 _ => if s = homo_infinite_type_name andalso 
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

747 
(format = TFF orelse format = THF) then 
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

748 
`I tptp_individual_type 
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

749 
else 
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

750 
`make_fixed_type_const s, 
42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

751 
map term Ts) 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

752 
 term (TFree (s, _)) = ATerm (`make_fixed_type_var s, []) 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

753 
 term (TVar ((x as (s, _)), _)) = 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

754 
ATerm ((make_schematic_type_var x, s), []) 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

755 
in term end 
42562  756 

757 
(* This shouldn't clash with anything else. *) 

42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

758 
val mangled_type_sep = "\000" 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

759 

42562  760 
fun generic_mangled_type_name f (ATerm (name, [])) = f name 
761 
 generic_mangled_type_name f (ATerm (name, tys)) = 

42761
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42755
diff
changeset

762 
f name ^ "(" ^ space_implode "," (map (generic_mangled_type_name f) tys) 
8ea9c6fa8b53
fixed several bugs in Isar proof reconstruction, in particular w.r.t. mangled types and hAPP
blanchet
parents:
42755
diff
changeset

763 
^ ")" 
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

764 

42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset

765 
val bool_atype = AType (`I tptp_bool_type) 
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset

766 

43085
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

767 
fun make_simple_type s = 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

768 
if s = tptp_bool_type orelse s = tptp_fun_type orelse 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

769 
s = tptp_individual_type then 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

770 
s 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

771 
else 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

772 
simple_type_prefix ^ ascii_of s 
0a2f5b86bdd7
first step in sharing more code between ATP and Metis translation
blanchet
parents:
43064
diff
changeset

773 

43178
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

774 
fun ho_type_from_fo_term format type_sys pred_sym ary = 
42963  775 
let 
776 
fun to_atype ty = 

777 
AType ((make_simple_type (generic_mangled_type_name fst ty), 

778 
generic_mangled_type_name snd ty)) 

779 
fun to_afun f1 f2 tys = AFun (f1 (hd tys), f2 (nth tys 1)) 

42998
1c80902d0456
fully support all type system encodings in typed formats (TFF, THF)
blanchet
parents:
42994
diff
changeset

780 
fun to_fo 0 ty = if pred_sym then bool_atype else to_atype ty 
42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

781 
 to_fo ary (ATerm (_, tys)) = to_afun to_atype (to_fo (ary  1)) tys 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

782 
fun to_ho (ty as ATerm ((s, _), tys)) = 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

783 
if s = tptp_fun_type then to_afun to_ho to_ho tys else to_atype ty 
43178
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

784 
in if is_setting_higher_order format type_sys then to_ho else to_fo ary end 
42963  785 

43178
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

786 
fun mangled_type format type_sys pred_sym ary = 
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

787 
ho_type_from_fo_term format type_sys pred_sym ary 
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

788 
o fo_term_from_typ format type_sys 
42963  789 

43178
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

790 
fun mangled_const_name format type_sys T_args (s, s') = 
42963  791 
let 
43178
b5862142d378
use "" type only in THF and TFF  might cause strange failures if used in FOF or CNF, depending on how liberal the prover is
blanchet
parents:
43175
diff
changeset

792 
val ty_args = map (fo_term_from_typ format type_sys) T_args 
42963  793 
fun type_suffix f g = 
794 
fold_rev (curry (op ^) o g o prefix mangled_type_sep 

795 
o generic_mangled_type_name f) ty_args "" 

796 
in (s ^ type_suffix fst ascii_of, s' ^ type_suffix snd I) end 

42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

797 

024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

798 
val parse_mangled_ident = 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

799 
Scan.many1 (not o member (op =) ["(", ")", ","]) >> implode 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

800 

024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

801 
fun parse_mangled_type x = 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

802 
(parse_mangled_ident 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

803 
 Scan.optional ($$ "("  Scan.optional parse_mangled_types []  $$ ")") 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

804 
[] >> ATerm) x 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

805 
and parse_mangled_types x = 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

806 
(parse_mangled_type ::: Scan.repeat ($$ ","  parse_mangled_type)) x 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

807 

024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

808 
fun unmangled_type s = 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

809 
s > suffix ")" > raw_explode 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

810 
> Scan.finite Symbol.stopper 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

811 
(Scan.error (!! (fn _ => raise Fail ("unrecognized mangled type " ^ 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

812 
quote s)) parse_mangled_type)) 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

813 
> fst 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

814 

42561
23ddc4e3d19c
have properly typeinstantiated helper facts (combinators and If)
blanchet
parents:
42560
diff
changeset

815 
val unmangled_const_name = space_explode mangled_type_sep #> hd 
42542
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

816 
fun unmangled_const s = 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

817 
let val ss = space_explode mangled_type_sep s in 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

818 
(hd ss, map unmangled_type (tl ss)) 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

819 
end 
024920b65ce2
perform constant mangling and/or removal of its type args in an earlier phase, so that the rest of the code doesn't need to worry about it
blanchet
parents:
42541
diff
changeset

820 

43017
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset

821 
fun introduce_proxies format type_sys = 
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset

822 
let 
43017
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset

823 
fun intro top_level (CombApp (tm1, tm2)) = 
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset

824 
CombApp (intro top_level tm1, intro false tm2) 
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset

825 
 intro top_level (CombConst (name as (s, _), T, T_args)) = 
42570
77f94ac04f32
cleanup proxification/unproxification and make sure that "num_atp_type_args" is called on the proxy in the reconstruction code, since "c_fequal" has one type arg but the unproxified equal has 0
blanchet
parents:
42569
diff
changeset

826 
(case proxify_const s of 
43159
29b55f292e0b
added support for helpers in new Metis, so far only for polymorphic type encodings
blanchet
parents:
43139
diff
changeset

827 
SOME proxy_base => 
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

828 
if top_level orelse is_setting_higher_order format type_sys then 
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

829 
case (top_level, s) of 
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

830 
(_, "c_False") => (`I tptp_false, []) 
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

831 
 (_, "c_True") => (`I tptp_true, []) 
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

832 
 (false, "c_Not") => (`I tptp_not, []) 
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

833 
 (false, "c_conj") => (`I tptp_and, []) 
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

834 
 (false, "c_disj") => (`I tptp_or, []) 
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

835 
 (false, "c_implies") => (`I tptp_implies, []) 
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

836 
 (false, s) => 
43017
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset

837 
if is_tptp_equal s then (`I tptp_equal, []) 
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset

838 
else (proxy_base >> prefix const_prefix, T_args) 
43000
bd424c3dde46
cleaner handling of equality and proxies (esp. for THF)
blanchet
parents:
42998
diff
changeset

839 
 _ => (name, []) 
42569
5737947e4c77
make sure that fequal keeps its type arguments for mangled type systems
blanchet
parents:
42568
diff
changeset

840 
else 
42574  841 
(proxy_base >> prefix const_prefix, T_args) 
842 
 NONE => (name, T_args)) 

843 
> (fn (name, T_args) => CombConst (name, T, T_args)) 

43017
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset

844 
 intro _ tm = tm 
944b19ab6003
removed THF equality proxy hack now that Geoff Sutcliffe has fixed SystemOnTPTP
blanchet
parents:
43001
diff
changeset

845 
in intro true end 
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset

846 

42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

847 
fun combformula_from_prop thy format type_sys eq_as_iff = 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

848 
let 
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset

849 
fun do_term bs t atomic_types = 
41140
9c68004b8c9d
added Sledgehammer support for higherorder propositional reasoning
blanchet
parents:
41138
diff
changeset

850 
combterm_from_term thy bs (Envir.eta_contract t) 
42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

851 
>> (introduce_proxies format type_sys #> AAtom) 
42568
7b9801a34836
no needless "fequal" proxies if "explicit_apply" is set + always have readable names
blanchet
parents:
42566
diff
changeset

852 
> union (op =) atomic_types 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

853 
fun do_quant bs q s T t' = 
38518
54727b44e277
handle bound name conflicts gracefully in FOF translation
blanchet
parents:
38496
diff
changeset

854 
let val s = Name.variant (map fst bs) s in 
54727b44e277
handle bound name conflicts gracefully in FOF translation
blanchet
parents:
38496
diff
changeset

855 
do_formula ((s, T) :: bs) t' 
42562  856 
#>> mk_aquant q [(`make_bound_var s, SOME T)] 
38518
54727b44e277
handle bound name conflicts gracefully in FOF translation
blanchet
parents:
38496
diff
changeset

857 
end 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

858 
and do_conn bs c t1 t2 = 
43198  859 
do_formula bs t1 ##>> do_formula bs t2 #>> uncurry (mk_aconn c) 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

860 
and do_formula bs t = 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

861 
case t of 
43096  862 
@{const Trueprop} $ t1 => do_formula bs t1 
863 
 @{const Not} $ t1 => do_formula bs t1 #>> mk_anot 

38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

864 
 Const (@{const_name All}, _) $ Abs (s, T, t') => 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

865 
do_quant bs AForall s T t' 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

866 
 Const (@{const_name Ex}, _) $ Abs (s, T, t') => 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

867 
do_quant bs AExists s T t' 
38795
848be46708dc
formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
haftmann
parents:
38786
diff
changeset

868 
 @{const HOL.conj} $ t1 $ t2 => do_conn bs AAnd t1 t2 
848be46708dc
formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
haftmann
parents:
38786
diff
changeset

869 
 @{const HOL.disj} $ t1 $ t2 => do_conn bs AOr t1 t2 
38786
e46e7a9cb622
formerly unnamed infix impliciation now named HOL.implies
haftmann
parents:
38752
diff
changeset

870 
 @{const HOL.implies} $ t1 $ t2 => do_conn bs AImplies t1 t2 
38864
4abe644fcea5
formerly unnamed infix equality now named HOL.eq
haftmann
parents:
38829
diff
changeset

871 
 Const (@{const_name HOL.eq}, Type (_, [@{typ bool}, _])) $ t1 $ t2 => 
41140
9c68004b8c9d
added Sledgehammer support for higherorder propositional reasoning
blanchet
parents:
41138
diff
changeset

872 
if eq_as_iff then do_conn bs AIff t1 t2 else do_term bs t 
9c68004b8c9d
added Sledgehammer support for higherorder propositional reasoning
blanchet
parents:
41138
diff
changeset

873 
 _ => do_term bs t 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

874 
in do_formula [] end 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

875 

42750
c8b1d9ee3758
ensure Set.member isn't introduced by Meson's preprocessing if it's supposed to be unfolded
blanchet
parents:
42747
diff
changeset

876 
fun presimplify_term ctxt = 
c8b1d9ee3758
ensure Set.member isn't introduced by Meson's preprocessing if it's supposed to be unfolded
blanchet
parents:
42747
diff
changeset

877 
Skip_Proof.make_thm (Proof_Context.theory_of ctxt) 
c8b1d9ee3758
ensure Set.member isn't introduced by Meson's preprocessing if it's supposed to be unfolded
blanchet
parents:
42747
diff
changeset

878 
#> Meson.presimplify ctxt 
c8b1d9ee3758
ensure Set.member isn't introduced by Meson's preprocessing if it's supposed to be unfolded
blanchet
parents:
42747
diff
changeset

879 
#> prop_of 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

880 

41491  881 
fun concealed_bound_name j = sledgehammer_weak_prefix ^ string_of_int j 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

882 
fun conceal_bounds Ts t = 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

883 
subst_bounds (map (Free o apfst concealed_bound_name) 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

884 
(0 upto length Ts  1 ~~ Ts), t) 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

885 
fun reveal_bounds Ts = 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

886 
subst_atomic (map (fn (j, T) => (Free (concealed_bound_name j, T), Bound j)) 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

887 
(0 upto length Ts  1 ~~ Ts)) 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

888 

42747
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset

889 
fun extensionalize_term ctxt t = 
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset

890 
let val thy = Proof_Context.theory_of ctxt in 
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset

891 
t > cterm_of thy > Meson.extensionalize_conv ctxt 
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset

892 
> prop_of > Logic.dest_equals > snd 
f132d13fcf75
use the same code for extensionalization in Metis and Sledgehammer and generalize that code so that it gracefully handles negations (e.g. negated conjecture), formulas of the form (%x. t) = u, etc.
blanchet
parents:
42742
diff
changeset

893 
end 
38608
01ed56c46259
beta eta contract the Sledgehammer conjecture (and also the axioms, although this might not be needed), just like Metis does (implicitly);
blanchet
parents:
38606
diff
changeset

894 

38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

895 
fun introduce_combinators_in_term ctxt kind t = 
42361  896 
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

897 
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

898 
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

899 
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

900 
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

901 
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

902 
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

903 
@{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

904 
 (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

905 
t0 $ Abs (s, T, aux (T :: Ts) t') 
38652
e063be321438
perform etaexpansion of quantifier bodies in Sledgehammer translation when needed + transform elim rules later;
blanchet
parents:
38618
diff
changeset

906 
 (t0 as Const (@{const_name All}, _)) $ t1 => 
e063be321438
perform etaexpansion of quantifier bodies in Sledgehammer translation when needed + transform elim rules later;
blanchet
parents:
38618
diff
changeset

907 
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

908 
 (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

909 
t0 $ Abs (s, T, aux (T :: Ts) t') 
38652
e063be321438
perform etaexpansion of quantifier bodies in Sledgehammer translation when needed + transform elim rules later;
blanchet
parents:
38618
diff
changeset

910 
 (t0 as Const (@{const_name Ex}, _)) $ t1 => 
e063be321438
perform etaexpansion of quantifier bodies in Sledgehammer translation when needed + transform elim rules later;
blanchet
parents:
38618
diff
changeset

911 
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

912 
 (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

913 
 (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

914 
 (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

915 
 (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

916 
$ 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

917 
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

918 
 _ => 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

919 
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

920 
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

921 
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

922 
> 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

923 
> cterm_of thy 
39890  924 
> 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

925 
> 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

926 
> reveal_bounds Ts 
39370
f8292d3020db
use same hack as in "Async_Manager" to work around Proof General bug
blanchet
parents:
39005
diff
changeset

927 
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

928 
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

929 
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

930 
(* A type variable of sort "{}" will make abstraction fail. *) 
38613
4ca2cae2653f
use "hypothesis" rather than "conjecture" for hypotheses in TPTP format;
blanchet
parents:
38610
diff
changeset

931 
if kind = Conjecture then HOLogic.false_const 
4ca2cae2653f
use "hypothesis" rather than "conjecture" for hypotheses in TPTP format;
blanchet
parents:
38610
diff
changeset

932 
else HOLogic.true_const 
38491
f7e51d981a9f
invoke Variable.export/import_term on the entire formula, to make sure that schematic variables don't get different indices in different subterms;
blanchet
parents:
38282
diff
changeset

933 
end 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

934 

319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

935 
(* Metis's use of "resolve_tac" freezes the schematic variables. We simulate the 
42353
7797efa897a1
correctly handle TFrees that occur in (local) facts  Metis did the right thing here but Sledgehammer was incorrectly generating spurious preconditions such as "dense_linorder(t_a)"
blanchet
parents:
42237
diff
changeset

936 
same in Sledgehammer to prevent the discovery of unreplayable proofs. *) 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

937 
fun freeze_term t = 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

938 
let 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

939 
fun aux (t $ u) = aux t $ aux u 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

940 
 aux (Abs (s, T, t)) = Abs (s, T, aux t) 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

941 
 aux (Var ((s, i), T)) = 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

942 
Free (sledgehammer_weak_prefix ^ s ^ "_" ^ string_of_int i, T) 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

943 
 aux t = t 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

944 
in t > exists_subterm is_Var t ? aux end 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

945 

43096  946 
fun preprocess_prop ctxt presimp kind t = 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

947 
let 
42361  948 
val thy = Proof_Context.theory_of ctxt 
38608
01ed56c46259
beta eta contract the Sledgehammer conjecture (and also the axioms, although this might not be needed), just like Metis does (implicitly);
blanchet
parents:
38606
diff
changeset

949 
val t = t > Envir.beta_eta_contract 
42944
9e620869a576
improved Waldmeister support  even run it by default on unit equational goals
blanchet
parents:
42943
diff
changeset

950 
> transform_elim_prop 
41211
1e2e16bc0077
no need to do a superduper atomization if Metis fails afterwards anyway
blanchet
parents:
41199
diff
changeset

951 
> Object_Logic.atomize_term thy 
42563  952 
val need_trueprop = (fastype_of t = @{typ bool}) 
43096  953 
in 
954 
t > need_trueprop ? HOLogic.mk_Trueprop 

955 
> Raw_Simplifier.rewrite_term thy (Meson.unfold_set_const_simps ctxt) [] 

956 
> extensionalize_term ctxt 

957 
> presimp ? presimplify_term ctxt 

43120
a9c2cdf4ae97
make sure "Trueprop" is removed before combinators are added  the code is fragile in that respect
blanchet
parents:
43105
diff
changeset

958 
> perhaps (try (HOLogic.dest_Trueprop)) 
43096  959 
> introduce_combinators_in_term ctxt kind 
960 
end 

961 

962 
(* making fact and conjecture formulas *) 

963 
fun make_formula thy format type_sys eq_as_iff name loc kind t = 

964 
let 

42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset

965 
val (combformula, atomic_types) = 
42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

966 
combformula_from_prop thy format type_sys eq_as_iff t [] 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

967 
in 
42640
879d2d6b05ce
generate tags for simps, intros, and elims in TPTP poblems on demand
blanchet
parents:
42613
diff
changeset

968 
{name = name, locality = loc, kind = kind, combformula = combformula, 
42562  969 
atomic_types = atomic_types} 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

970 
end 
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

971 

43096  972 
fun make_fact ctxt format type_sys keep_trivial eq_as_iff preproc presimp 
42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

973 
((name, loc), t) = 
43096  974 
let val thy = Proof_Context.theory_of ctxt in 
975 
case (keep_trivial, 

976 
t > preproc ? preprocess_prop ctxt presimp Axiom 

977 
> make_formula thy format type_sys eq_as_iff name loc Axiom) of 

978 
(false, 

979 
formula as {combformula = AAtom (CombConst ((s, _), _, _)), ...}) => 

980 
if s = tptp_true then NONE else SOME formula 

981 
 (_, formula) => SOME formula 

982 
end 

42561
23ddc4e3d19c
have properly typeinstantiated helper facts (combinators and If)
blanchet
parents:
42560
diff
changeset

983 

43096  984 
fun make_conjecture ctxt format prem_kind type_sys preproc ts = 
985 
let 

986 
val thy = Proof_Context.theory_of ctxt 

987 
val last = length ts  1 

988 
in 

42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

989 
map2 (fn j => fn t => 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

990 
let 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

991 
val (kind, maybe_negate) = 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

992 
if j = last then 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

993 
(Conjecture, I) 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

994 
else 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

995 
(prem_kind, 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

996 
if prem_kind = Conjecture then update_combformula mk_anot 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

997 
else I) 
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

998 
in 
43098
e88e974c4846
proper handling of type variable classes in new Metis
blanchet
parents:
43096
diff
changeset

999 
t > preproc ? (preprocess_prop ctxt true kind #> freeze_term) 
43193
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43192
diff
changeset

1000 
> make_formula thy format type_sys (format <> CNF) 
e11bd628f1a5
improved ATP clausifier so it can deal with "x => (y <=> z)"
blanchet
parents:
43192
diff
changeset

1001 
(string_of_int j) General kind 
42962
3b50fdeb6cfc
started adding support for THF output (but no lambdas)
blanchet
parents:
42956
diff
changeset

1002 
> maybe_negate 
42709
e7af132d48fe
allow each prover to specify its own formula kind for symbols occurring in the conjecture
blanchet
parents:
42701
diff
changeset

1003 
end) 
38613
4ca2cae2653f
use "hypothesis" rather than "conjecture" for hypotheses in TPTP format;
blanchet
parents:
38610
diff
changeset

1004 
(0 upto last) ts 
4ca2cae2653f
use "hypothesis" rather than "conjecture" for hypotheses in TPTP format;
blanchet
parents:
38610
diff
changeset

1005 
end 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

1006 

42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1007 
(** Finite and infinite type inference **) 
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1008 

42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset

1009 
fun deep_freeze_atyp (TVar (_, S)) = TFree ("v", S) 
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset

1010 
 deep_freeze_atyp T = T 
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset

1011 
val deep_freeze_type = map_atyps deep_freeze_atyp 
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset

1012 

42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1013 
(* Finite types such as "unit", "bool", "bool * bool", and "bool => bool" are 
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1014 
dangerous because their "exhaust" properties can easily lead to unsound ATP 
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1015 
proofs. On the other hand, all HOL infinite types can be given the same 
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1016 
models in firstorder logic (via LÃ¶wenheimSkolem). *) 
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1017 

42886
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset

1018 
fun should_encode_type ctxt (nonmono_Ts as _ :: _) _ T = 
208ec29cc013
improved "poly_preds_{bang,query}" by picking up good witnesses for the possible infinity of common type classes and ensuring that "?'a::type" doesn't ruin everything
blanchet
parents:
42885
diff
changeset

1019 
exists (curry (type_instance ctxt) (deep_freeze_type T)) nonmono_Ts 
42836  1020 
 should_encode_type _ _ All_Types _ = true 
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1021 
 should_encode_type ctxt _ Finite_Types T = is_type_surely_finite ctxt T 
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1022 
 should_encode_type _ _ _ _ = false 
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1023 

42837  1024 
fun should_predicate_on_type ctxt nonmono_Ts (Preds (_, level, heaviness)) 
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset

1025 
should_predicate_on_var T = 
43128  1026 
(heaviness = Heavyweight orelse should_predicate_on_var ()) andalso 
42878
85ac4c12a4b7
slightly fewer type predicates introduced in the lightweight encoding, based on the observation that only universal positive equalities are dangerous
blanchet
parents:
42855
diff
changeset

1027 
should_encode_type ctxt nonmono_Ts level T 
42834
40f7691d0539
implemented thin versions of "preds" type systems + fixed various issues with type args
blanchet
parents:
42832
diff
changeset

1028 
 should_predicate_on_type _ _ _ _ _ = false 
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1029 

42836  1030 
fun is_var_or_bound_var (CombConst ((s, _), _, _)) = 
1031 
String.isPrefix bound_var_prefix s 

1032 
 is_var_or_bound_var (CombVar _) = true 

1033 
 is_var_or_bound_var _ = false 

1034 

42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset

1035 
datatype tag_site = Top_Level  Eq_Arg  Elsewhere 
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset

1036 

1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset

1037 
fun should_tag_with_type _ _ _ Top_Level _ _ = false 
42837  1038 
 should_tag_with_type ctxt nonmono_Ts (Tags (_, level, heaviness)) site u T = 
1039 
(case heaviness of 

43128  1040 
Heavyweight => should_encode_type ctxt nonmono_Ts level T 
1041 
 Lightweight => 

42836  1042 
case (site, is_var_or_bound_var u) of 
1043 
(Eq_Arg, true) => should_encode_type ctxt nonmono_Ts level T 

42829
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset

1044 
 _ => false) 
1558741f8a72
started implementing "shallow" type systems, based on ideas by Claessen et al.
blanchet
parents:
42828
diff
changeset

1045 
 should_tag_with_type _ _ _ _ _ _ = false 
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1046 

42994
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

1047 
fun homogenized_type ctxt nonmono_Ts level = 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

1048 
let 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

1049 
val should_encode = should_encode_type ctxt nonmono_Ts level 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

1050 
fun homo 0 T = if should_encode T then T else homo_infinite_type 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

1051 
 homo ary (Type (@{type_name fun}, [T1, T2])) = 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

1052 
homo 0 T1 > homo (ary  1) T2 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

1053 
 homo _ _ = raise Fail "expected function type" 
fe291ab75eb5
towards supporting nonsimplytyped encodings for TFF and THF (for orthogonality and experiments)
blanchet
parents:
42966
diff
changeset

1054 
in homo end 
42682
562046fd8e0c
added type homogenization, whereby all (isomorphic) infinite types are mapped to the same type (to reduce the number of different predicates/TFFtypes)
blanchet
parents:
42680
diff
changeset

1055 

42573
744215c3e90c
got rid of one "sym_table" in "prepare_atp_problem" now that proxies are always handled first, and tuned accordingly
blanchet
parents:
42572
diff
changeset

1056 
(** "hBOOL" and "hAPP" **) 
41313
a96ac4d180b7
optionally supply constant weights to E  turned off by default until properly parameterized
blanchet
parents:
41211
diff
changeset

1057 

42574  1058 
type sym_info = 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1059 
{pred_sym : bool, min_ary : int, max_ary : int, types : typ list} 
42563  1060 

43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1061 
fun add_combterm_syms_to_table ctxt explicit_apply = 
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset

1062 
let 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1063 
fun consider_var_arity const_T var_T max_ary = 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1064 
let 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1065 
fun iter ary T = 
43210
7384b771805d
made "explicit_apply"'s smart mode (more) complete
blanchet
parents:
43207
diff
changeset

1066 
if ary = max_ary orelse type_instance ctxt (var_T, T) orelse 
7384b771805d
made "explicit_apply"'s smart mode (more) complete
blanchet
parents:
43207
diff
changeset

1067 
type_instance ctxt (T, var_T) then 
7384b771805d
made "explicit_apply"'s smart mode (more) complete
blanchet
parents:
43207
diff
changeset

1068 
ary 
7384b771805d
made "explicit_apply"'s smart mode (more) complete
blanchet
parents:
43207
diff
changeset

1069 
else 
7384b771805d
made "explicit_apply"'s smart mode (more) complete
blanchet
parents:
43207
diff
changeset

1070 
iter (ary + 1) (range_type T) 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1071 
in iter 0 const_T end 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1072 
fun add_var_or_bound_var T (accum as ((bool_vars, fun_var_Ts), sym_tab)) = 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1073 
if explicit_apply = NONE andalso 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1074 
(can dest_funT T orelse T = @{typ bool}) then 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1075 
let 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1076 
val bool_vars' = bool_vars orelse body_type T = @{typ bool} 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1077 
fun repair_min_arity {pred_sym, min_ary, max_ary, types} = 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1078 
{pred_sym = pred_sym andalso not bool_vars', 
43213
e1fdd27e0c98
generate less type information in polymorphic case
blanchet
parents:
43210
diff
changeset

1079 
min_ary = fold (fn T' => consider_var_arity T' T) types min_ary, 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1080 
max_ary = max_ary, types = types} 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1081 
val fun_var_Ts' = 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1082 
fun_var_Ts > can dest_funT T ? insert_type ctxt I T 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1083 
in 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1084 
if bool_vars' = bool_vars andalso 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1085 
pointer_eq (fun_var_Ts', fun_var_Ts) then 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1086 
accum 
43167
839f599bc7ed
ensured that the logic for "explicit_apply = smart" also works on CNF (i.e. new Metis)
blanchet
parents:
43159
diff
changeset

1087 
else 
43213
e1fdd27e0c98
generate less type information in polymorphic case
blanchet
parents:
43210
diff
changeset

1088 
((bool_vars', fun_var_Ts'), Symtab.map (K repair_min_arity) sym_tab) 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1089 
end 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1090 
else 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1091 
accum 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1092 
fun add top_level tm (accum as ((bool_vars, fun_var_Ts), sym_tab)) = 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1093 
let val (head, args) = strip_combterm_comb tm in 
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset

1094 
(case head of 
42563  1095 
CombConst ((s, _), T, _) => 
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset

1096 
if String.isPrefix bound_var_prefix s then 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1097 
add_var_or_bound_var T accum 
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset

1098 
else 
43139
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61  "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset

1099 
let val ary = length args in 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1100 
((bool_vars, fun_var_Ts), 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1101 
case Symtab.lookup sym_tab s of 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1102 
SOME {pred_sym, min_ary, max_ary, types} => 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1103 
let 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1104 
val pred_sym = 
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1105 
pred_sym andalso top_level andalso not bool_vars 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1106 
val types' = types > insert_type ctxt I T 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1107 
val min_ary = 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1108 
if is_some explicit_apply orelse 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1109 
pointer_eq (types', types) then 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1110 
min_ary 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1111 
else 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1112 
fold (consider_var_arity T) fun_var_Ts min_ary 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1113 
in 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1114 
Symtab.update (s, {pred_sym = pred_sym, 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1115 
min_ary = Int.min (ary, min_ary), 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1116 
max_ary = Int.max (ary, max_ary), 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1117 
types = types'}) 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1118 
sym_tab 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1119 
end 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1120 
 NONE => 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1121 
let 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1122 
val pred_sym = top_level andalso not bool_vars 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1123 
val min_ary = 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1124 
case explicit_apply of 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1125 
SOME true => 0 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1126 
 SOME false => ary 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1127 
 NONE => fold (consider_var_arity T) fun_var_Ts ary 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1128 
in 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1129 
Symtab.update_new (s, {pred_sym = pred_sym, 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1130 
min_ary = min_ary, max_ary = ary, 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1131 
types = [T]}) 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1132 
sym_tab 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1133 
end) 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1134 
end 
43201
0c9bf1a8e0d8
make "smart" mode of "explicit_apply" smarter, by also detecting the other kind of higherorder quantification, namely "bool"s
blanchet
parents:
43198
diff
changeset

1135 
 CombVar (_, T) => add_var_or_bound_var T accum 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1136 
 _ => accum) 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1137 
> fold (add false) args 
42558
3d9930cb6770
cleaned up "explicit_apply" so that it shares most of its code path with the default mode of operation
blanchet
parents:
42557
diff
changeset

1138 
end 
43064
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1139 
in add true end 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1140 
fun add_fact_syms_to_table ctxt explicit_apply = 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1141 
fact_lift (formula_fold NONE 
b6e61d22fa61
made "explicit_apply" smarter  no need to force explicit applications in minimizer on all constants, better do it more fine granularly
blanchet
parents:
43039
diff
changeset

1142 
(K (add_combterm_syms_to_table ctxt explicit_apply))) 
38282
319c59682c51
move Sledgehammer's HOL > FOL translation to separate file (sledgehammer_translate.ML)
blanchet
parents:
diff
changeset

1143 

43139
9ed5d8ad8fa0
fixed debilitating translation bug introduced in b6e61d22fa61  "equal" and "=" should always have arity 2
blanchet
parents:
43136
diff
changeset
