src/Pure/thm.ML
author wenzelm
Thu, 15 Dec 2016 15:08:18 +0100
changeset 64570 a2e7862e7dd5
parent 64568 a504a3dec35a
child 64571 07bbdb2079db
permissions -rw-r--r--
back to full Proofterm.join_bodies, which was lost in 2011 (4e2abb045eac, cc53ce50f738);
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
     1
(*  Title:      Pure/thm.ML
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
     2
    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
29269
5c25a2012975 moved term order operations to structure TermOrd (cf. Pure/term_ord.ML);
wenzelm
parents: 29003
diff changeset
     3
    Author:     Makarius
229
4002c4cd450c Pure: MAJOR CHANGE. Moved ML types ctyp and cterm and their associated
lcp
parents: 225
diff changeset
     4
16425
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
     5
The very core of Isabelle's Meta Logic: certified types and terms,
59589
6020e3dec7b5 removed unused;
wenzelm
parents: 59586
diff changeset
     6
derivations, theorems, inference rules (including lifting and
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
     7
resolution), oracles.
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     8
*)
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     9
6089
4d2d5556b4f9 signature BASIC_THM;
wenzelm
parents: 5624
diff changeset
    10
signature BASIC_THM =
59589
6020e3dec7b5 removed unused;
wenzelm
parents: 59586
diff changeset
    11
sig
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    12
  type ctyp
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    13
  type cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    14
  exception CTERM of string * cterm list
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    15
  type thm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    16
  type conv = cterm -> thm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    17
  exception THM of string * int * thm list
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    18
end;
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    19
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    20
signature THM =
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    21
sig
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    22
  include BASIC_THM
1160
8845eb5f0e5e added add_trrules_i;
wenzelm
parents: 1065
diff changeset
    23
  (*certified types*)
16425
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
    24
  val typ_of: ctyp -> typ
59621
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
    25
  val global_ctyp_of: theory -> typ -> ctyp
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
    26
  val ctyp_of: Proof.context -> typ -> ctyp
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    27
  val dest_ctyp: ctyp -> ctyp list
1160
8845eb5f0e5e added add_trrules_i;
wenzelm
parents: 1065
diff changeset
    28
  (*certified terms*)
16425
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
    29
  val term_of: cterm -> term
59586
ddf6deaadfe8 clarified signature;
wenzelm
parents: 59582
diff changeset
    30
  val typ_of_cterm: cterm -> typ
ddf6deaadfe8 clarified signature;
wenzelm
parents: 59582
diff changeset
    31
  val ctyp_of_cterm: cterm -> ctyp
ddf6deaadfe8 clarified signature;
wenzelm
parents: 59582
diff changeset
    32
  val maxidx_of_cterm: cterm -> int
59621
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
    33
  val global_cterm_of: theory -> term -> cterm
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
    34
  val cterm_of: Proof.context -> term -> cterm
59969
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
    35
  val renamed_term: term -> cterm -> cterm
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    36
  val dest_comb: cterm -> cterm * cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    37
  val dest_fun: cterm -> cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    38
  val dest_arg: cterm -> cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    39
  val dest_fun2: cterm -> cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    40
  val dest_arg1: cterm -> cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    41
  val dest_abs: string option -> cterm -> cterm * cterm
60952
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
    42
  val rename_tvar: indexname -> ctyp -> ctyp
60951
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60949
diff changeset
    43
  val var: indexname * ctyp -> cterm
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    44
  val apply: cterm -> cterm -> cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    45
  val lambda_name: string * cterm -> cterm -> cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    46
  val lambda: cterm -> cterm -> cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    47
  val adjust_maxidx_cterm: int -> cterm -> cterm
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    48
  val incr_indexes_cterm: int -> cterm -> cterm
60642
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
    49
  val match: cterm * cterm ->
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
    50
    ((indexname * sort) * ctyp) list * ((indexname * typ) * cterm) list
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
    51
  val first_order_match: cterm * cterm ->
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
    52
    ((indexname * sort) * ctyp) list * ((indexname * typ) * cterm) list
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
    53
  (*theorems*)
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    54
  val fold_terms: (term -> 'a -> 'a) -> thm -> 'a -> 'a
60952
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
    55
  val fold_atomic_ctyps: (ctyp -> 'a -> 'a) -> thm -> 'a -> 'a
60818
5e11a6e2b044 more direct access to atomic cterms;
wenzelm
parents: 60642
diff changeset
    56
  val fold_atomic_cterms: (cterm -> 'a -> 'a) -> thm -> 'a -> 'a
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    57
  val terms_of_tpairs: (term * term) list -> term list
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    58
  val full_prop_of: thm -> term
60948
b710a5087116 prefer theory_id operations;
wenzelm
parents: 60939
diff changeset
    59
  val theory_id_of_thm: thm -> Context.theory_id
60638
16d80e5ef2dc tuned signature;
wenzelm
parents: 60315
diff changeset
    60
  val theory_name_of_thm: thm -> string
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    61
  val maxidx_of: thm -> int
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    62
  val maxidx_thm: thm -> int -> int
61039
80f40d89dab6 tuned signature;
wenzelm
parents: 60952
diff changeset
    63
  val shyps_of: thm -> sort Ord_List.T
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    64
  val hyps_of: thm -> term list
16425
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
    65
  val prop_of: thm -> term
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    66
  val tpairs_of: thm -> (term * term) list
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
    67
  val concl_of: thm -> term
16425
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
    68
  val prems_of: thm -> term list
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
    69
  val nprems_of: thm -> int
59582
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    70
  val no_prems: thm -> bool
0fbed69ff081 tuned signature -- prefer qualified names;
wenzelm
parents: 59058
diff changeset
    71
  val major_prem_of: thm -> term
16425
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
    72
  val cprop_of: thm -> cterm
18145
6757627acf59 renamed Thm.cgoal_of to Thm.cprem_of;
wenzelm
parents: 18127
diff changeset
    73
  val cprem_of: thm -> int -> cterm
60949
ccbf9379e355 added Thm.chyps_of;
wenzelm
parents: 60948
diff changeset
    74
  val chyps_of: thm -> cterm list
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
    75
  exception CONTEXT of string * ctyp list * cterm list * thm list * Context.generic option
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
    76
  val theory_of_cterm: cterm -> theory
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
    77
  val theory_of_thm: thm -> theory
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
    78
  val trim_context_cterm: cterm -> cterm
61048
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
    79
  val trim_context: thm -> thm
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
    80
  val transfer_cterm: theory -> cterm -> cterm
38709
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
    81
  val transfer: theory -> thm -> thm
59969
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
    82
  val renamed_prop: term -> thm -> thm
38709
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
    83
  val weaken: cterm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
    84
  val weaken_sorts: sort list -> cterm -> cterm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
    85
  val extra_shyps: thm -> sort list
44333
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
    86
  val proof_bodies_of: thm list -> proof_body list
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
    87
  val proof_body_of: thm -> proof_body
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
    88
  val proof_of: thm -> proof
44331
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
    89
  val join_proofs: thm list -> unit
50126
3dec88149176 theorem status about oracles/futures is no longer printed by default;
wenzelm
parents: 49008
diff changeset
    90
  val peek_status: thm -> {oracle: bool, unfinished: bool, failed: bool}
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
    91
  val future: thm future -> cterm -> thm
64568
a504a3dec35a more careful derivation_closed / close_derivation;
wenzelm
parents: 63858
diff changeset
    92
  val derivation_closed: thm -> bool
36744
6e1f3d609a68 renamed Thm.get_name -> Thm.derivation_name and Thm.put_name -> Thm.name_derivation, to emphasize the true nature of these operations;
wenzelm
parents: 36742
diff changeset
    93
  val derivation_name: thm -> string
6e1f3d609a68 renamed Thm.get_name -> Thm.derivation_name and Thm.put_name -> Thm.name_derivation, to emphasize the true nature of these operations;
wenzelm
parents: 36742
diff changeset
    94
  val name_derivation: string -> thm -> thm
28675
fb68c0767004 renamed get_axiom_i to axiom, removed obsolete get_axiom;
wenzelm
parents: 28648
diff changeset
    95
  val axiom: theory -> string -> thm
fb68c0767004 renamed get_axiom_i to axiom, removed obsolete get_axiom;
wenzelm
parents: 28648
diff changeset
    96
  val axioms_of: theory -> (string * thm) list
28017
4919bd124a58 type Properties.T;
wenzelm
parents: 27336
diff changeset
    97
  val get_tags: thm -> Properties.T
4919bd124a58 type Properties.T;
wenzelm
parents: 27336
diff changeset
    98
  val map_tags: (Properties.T -> Properties.T) -> thm -> thm
23781
ab793a6ddf9f Added function norm_proof for normalizing the proof term
berghofe
parents: 23657
diff changeset
    99
  val norm_proof: thm -> thm
20261
af51389aa756 adjust_maxidx: pass explicit lower bound;
wenzelm
parents: 20071
diff changeset
   100
  val adjust_maxidx_thm: int -> thm -> thm
59589
6020e3dec7b5 removed unused;
wenzelm
parents: 59586
diff changeset
   101
  (*inference rules*)
38709
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   102
  val assume: cterm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   103
  val implies_intr: cterm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   104
  val implies_elim: thm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   105
  val forall_intr: cterm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   106
  val forall_elim: cterm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   107
  val reflexive: cterm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   108
  val symmetric: thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   109
  val transitive: thm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   110
  val beta_conversion: bool -> conv
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   111
  val eta_conversion: conv
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   112
  val eta_long_conversion: conv
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   113
  val abstract_rule: string -> cterm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   114
  val combination: thm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   115
  val equal_intr: thm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   116
  val equal_elim: thm -> thm -> thm
58950
d07464875dd4 optional proof context for unify operations, for the sake of proper local options;
wenzelm
parents: 58946
diff changeset
   117
  val flexflex_rule: Proof.context option -> thm -> thm Seq.seq
38709
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   118
  val generalize: string list * string list -> int -> thm -> thm
60642
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
   119
  val instantiate: ((indexname * sort) * ctyp) list * ((indexname * typ) * cterm) list ->
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
   120
    thm -> thm
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
   121
  val instantiate_cterm: ((indexname * sort) * ctyp) list * ((indexname * typ) * cterm) list ->
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
   122
    cterm -> cterm
38709
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   123
  val trivial: cterm -> thm
36330
0584e203960e renamed Drule.unconstrainTs to Thm.unconstrain_allTs to accomdate the version by krauss/schropp;
wenzelm
parents: 35986
diff changeset
   124
  val of_class: ctyp * class -> thm
36614
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
   125
  val strip_shyps: thm -> thm
36768
46be86127972 just one version of Thm.unconstrainT, which affects all variables;
wenzelm
parents: 36744
diff changeset
   126
  val unconstrainT: thm -> thm
38709
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   127
  val varifyT_global': (string * sort) list -> thm -> ((string * sort) * indexname) list * thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   128
  val varifyT_global: thm -> thm
36615
88756a5a92fc renamed Thm.freezeT to Thm.legacy_freezeT -- it is based on Type.legacy_freeze;
wenzelm
parents: 36614
diff changeset
   129
  val legacy_freezeT: thm -> thm
59969
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
   130
  val dest_state: thm * int -> (term * term) list * term list * term * term
38709
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   131
  val lift_rule: cterm -> thm -> thm
04414091f3b5 structure Thm: less pervasive names;
wenzelm
parents: 37309
diff changeset
   132
  val incr_indexes: int -> thm -> thm
58950
d07464875dd4 optional proof context for unify operations, for the sake of proper local options;
wenzelm
parents: 58946
diff changeset
   133
  val assumption: Proof.context option -> int -> thm -> thm Seq.seq
31945
d5f186aa0bed structure Thm: less pervasive names;
wenzelm
parents: 31944
diff changeset
   134
  val eq_assumption: int -> thm -> thm
d5f186aa0bed structure Thm: less pervasive names;
wenzelm
parents: 31944
diff changeset
   135
  val rotate_rule: int -> int -> thm -> thm
d5f186aa0bed structure Thm: less pervasive names;
wenzelm
parents: 31944
diff changeset
   136
  val permute_prems: int -> int -> thm -> thm
58950
d07464875dd4 optional proof context for unify operations, for the sake of proper local options;
wenzelm
parents: 58946
diff changeset
   137
  val bicompose: Proof.context option -> {flatten: bool, match: bool, incremented: bool} ->
52223
5bb6ae8acb87 tuned signature -- more explicit flags for low-level Thm.bicompose;
wenzelm
parents: 52222
diff changeset
   138
    bool * thm * int -> int -> thm -> thm Seq.seq
58950
d07464875dd4 optional proof context for unify operations, for the sake of proper local options;
wenzelm
parents: 58946
diff changeset
   139
  val biresolution: Proof.context option -> bool -> (bool * thm) list -> int -> thm -> thm Seq.seq
59589
6020e3dec7b5 removed unused;
wenzelm
parents: 59586
diff changeset
   140
  (*oracles*)
59917
9830c944670f more uniform "verbose" option to print name space;
wenzelm
parents: 59884
diff changeset
   141
  val extern_oracles: bool -> Proof.context -> (Markup.T * xstring) list
30288
a32700e45ab3 Thm.add_oracle interface: replaced old bstring by binding;
wenzelm
parents: 29636
diff changeset
   142
  val add_oracle: binding * ('a -> cterm) -> theory -> (string * ('a -> thm)) * theory
6089
4d2d5556b4f9 signature BASIC_THM;
wenzelm
parents: 5624
diff changeset
   143
end;
4d2d5556b4f9 signature BASIC_THM;
wenzelm
parents: 5624
diff changeset
   144
32590
95f4f08f950f replaced opaque signature matching by plain old abstype (again, cf. ac4498f95d1c) -- this recovers pretty printing in SML/NJ and Poly/ML 5.3;
wenzelm
parents: 32198
diff changeset
   145
structure Thm: THM =
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   146
struct
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   147
387
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   148
(*** Certified terms and types ***)
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   149
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   150
(** certified types **)
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   151
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   152
abstype ctyp = Ctyp of {cert: Context.certificate, T: typ, maxidx: int, sorts: sort Ord_List.T}
32590
95f4f08f950f replaced opaque signature matching by plain old abstype (again, cf. ac4498f95d1c) -- this recovers pretty printing in SML/NJ and Poly/ML 5.3;
wenzelm
parents: 32198
diff changeset
   153
with
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   154
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   155
fun typ_of (Ctyp {T, ...}) = T;
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   156
59621
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
   157
fun global_ctyp_of thy raw_T =
24143
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
   158
  let
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
   159
    val T = Sign.certify_typ thy raw_T;
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
   160
    val maxidx = Term.maxidx_of_typ T;
26640
92e6d3ec91bd simplified handling of sorts, removed unnecessary universal witness;
wenzelm
parents: 26631
diff changeset
   161
    val sorts = Sorts.insert_typ T [];
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   162
  in Ctyp {cert = Context.Certificate thy, T = T, maxidx = maxidx, sorts = sorts} end;
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   163
59621
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
   164
val ctyp_of = global_ctyp_of o Proof_Context.theory_of;
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
   165
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   166
fun dest_ctyp (Ctyp {cert, T = Type (_, Ts), maxidx, sorts}) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   167
      map (fn T => Ctyp {cert = cert, T = T, maxidx = maxidx, sorts = sorts}) Ts
16679
abd1461fa288 dest_ctyp: raise exception for non-constructor;
wenzelm
parents: 16656
diff changeset
   168
  | dest_ctyp cT = raise TYPE ("dest_ctyp", [typ_of cT], []);
15087
666f89fbb860 - optimized nodup_vars check in capply
berghofe
parents: 14828
diff changeset
   169
229
4002c4cd450c Pure: MAJOR CHANGE. Moved ML types ctyp and cterm and their associated
lcp
parents: 225
diff changeset
   170
4002c4cd450c Pure: MAJOR CHANGE. Moved ML types ctyp and cterm and their associated
lcp
parents: 225
diff changeset
   171
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   172
(** certified terms **)
229
4002c4cd450c Pure: MAJOR CHANGE. Moved ML types ctyp and cterm and their associated
lcp
parents: 225
diff changeset
   173
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   174
(*certified terms with checked typ, maxidx, and sorts*)
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   175
abstype cterm =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   176
  Cterm of {cert: Context.certificate, t: term, T: typ, maxidx: int, sorts: sort Ord_List.T}
32590
95f4f08f950f replaced opaque signature matching by plain old abstype (again, cf. ac4498f95d1c) -- this recovers pretty printing in SML/NJ and Poly/ML 5.3;
wenzelm
parents: 32198
diff changeset
   177
with
16425
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
   178
22584
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
   179
exception CTERM of string * cterm list;
16679
abd1461fa288 dest_ctyp: raise exception for non-constructor;
wenzelm
parents: 16656
diff changeset
   180
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   181
fun term_of (Cterm {t, ...}) = t;
229
4002c4cd450c Pure: MAJOR CHANGE. Moved ML types ctyp and cterm and their associated
lcp
parents: 225
diff changeset
   182
59586
ddf6deaadfe8 clarified signature;
wenzelm
parents: 59582
diff changeset
   183
fun typ_of_cterm (Cterm {T, ...}) = T;
ddf6deaadfe8 clarified signature;
wenzelm
parents: 59582
diff changeset
   184
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   185
fun ctyp_of_cterm (Cterm {cert, T, maxidx, sorts, ...}) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   186
  Ctyp {cert = cert, T = T, maxidx = maxidx, sorts = sorts};
2671
510d94c71dda Introduction of rotate_rule
paulson
parents: 2626
diff changeset
   187
59586
ddf6deaadfe8 clarified signature;
wenzelm
parents: 59582
diff changeset
   188
fun maxidx_of_cterm (Cterm {maxidx, ...}) = maxidx;
ddf6deaadfe8 clarified signature;
wenzelm
parents: 59582
diff changeset
   189
59621
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
   190
fun global_cterm_of thy tm =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   191
  let
18969
49aa2c8791ba removed obsolete sign_of_cterm;
wenzelm
parents: 18944
diff changeset
   192
    val (t, T, maxidx) = Sign.certify_term thy tm;
26640
92e6d3ec91bd simplified handling of sorts, removed unnecessary universal witness;
wenzelm
parents: 26631
diff changeset
   193
    val sorts = Sorts.insert_term t [];
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   194
  in Cterm {cert = Context.Certificate thy, t = t, T = T, maxidx = maxidx, sorts = sorts} end;
229
4002c4cd450c Pure: MAJOR CHANGE. Moved ML types ctyp and cterm and their associated
lcp
parents: 225
diff changeset
   195
59621
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
   196
val cterm_of = global_cterm_of o Proof_Context.theory_of;
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
   197
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   198
fun join_certificate0 (Cterm {cert = cert1, ...}, Cterm {cert = cert2, ...}) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   199
  Context.join_certificate (cert1, cert2);
60315
c08adefc98ea more explicit context;
wenzelm
parents: 59969
diff changeset
   200
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   201
fun renamed_term t' (Cterm {cert, t, T, maxidx, sorts}) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   202
  if t aconv t' then Cterm {cert = cert, t = t', T = T, maxidx = maxidx, sorts = sorts}
59969
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
   203
  else raise TERM ("renamed_term: terms disagree", [t, t']);
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
   204
20580
6fb75df09253 added dest_arg, i.e. a tuned version of #2 o dest_comb;
wenzelm
parents: 20548
diff changeset
   205
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   206
(* destructors *)
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   207
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   208
fun dest_comb (Cterm {t = c $ a, T, cert, maxidx, sorts}) =
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   209
      let val A = Term.argument_type_of c 0 in
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   210
        (Cterm {t = c, T = A --> T, cert = cert, maxidx = maxidx, sorts = sorts},
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   211
         Cterm {t = a, T = A, cert = cert, maxidx = maxidx, sorts = sorts})
1493
e936723cb94d added dest_comb, dest_abs and mk_prop for manipulating cterms
clasohm
parents: 1460
diff changeset
   212
      end
22584
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
   213
  | dest_comb ct = raise CTERM ("dest_comb", [ct]);
1493
e936723cb94d added dest_comb, dest_abs and mk_prop for manipulating cterms
clasohm
parents: 1460
diff changeset
   214
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   215
fun dest_fun (Cterm {t = c $ _, T, cert, maxidx, sorts}) =
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   216
      let val A = Term.argument_type_of c 0
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   217
      in Cterm {t = c, T = A --> T, cert = cert, maxidx = maxidx, sorts = sorts} end
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   218
  | dest_fun ct = raise CTERM ("dest_fun", [ct]);
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   219
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   220
fun dest_arg (Cterm {t = c $ a, T = _, cert, maxidx, sorts}) =
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   221
      let val A = Term.argument_type_of c 0
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   222
      in Cterm {t = a, T = A, cert = cert, maxidx = maxidx, sorts = sorts} end
22584
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
   223
  | dest_arg ct = raise CTERM ("dest_arg", [ct]);
20580
6fb75df09253 added dest_arg, i.e. a tuned version of #2 o dest_comb;
wenzelm
parents: 20548
diff changeset
   224
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   225
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   226
fun dest_fun2 (Cterm {t = c $ _ $ _, T, cert, maxidx, sorts}) =
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   227
      let
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   228
        val A = Term.argument_type_of c 0;
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   229
        val B = Term.argument_type_of c 1;
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   230
      in Cterm {t = c, T = A --> B --> T, cert = cert, maxidx = maxidx, sorts = sorts} end
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   231
  | dest_fun2 ct = raise CTERM ("dest_fun2", [ct]);
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   232
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   233
fun dest_arg1 (Cterm {t = c $ a $ _, T = _, cert, maxidx, sorts}) =
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   234
      let val A = Term.argument_type_of c 0
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   235
      in Cterm {t = a, T = A, cert = cert, maxidx = maxidx, sorts = sorts} end
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   236
  | dest_arg1 ct = raise CTERM ("dest_arg1", [ct]);
20673
27738ccd0700 added dest_binop;
wenzelm
parents: 20580
diff changeset
   237
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   238
fun dest_abs a (Cterm {t = Abs (x, T, t), T = Type ("fun", [_, U]), cert, maxidx, sorts}) =
18944
7d2ed9063477 union_tpairs: Library.merge;
wenzelm
parents: 18733
diff changeset
   239
      let val (y', t') = Term.dest_abs (the_default x a, T, t) in
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   240
        (Cterm {t = Free (y', T), T = T, cert = cert, maxidx = maxidx, sorts = sorts},
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   241
          Cterm {t = t', T = U, cert = cert, maxidx = maxidx, sorts = sorts})
1493
e936723cb94d added dest_comb, dest_abs and mk_prop for manipulating cterms
clasohm
parents: 1460
diff changeset
   242
      end
22584
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
   243
  | dest_abs _ ct = raise CTERM ("dest_abs", [ct]);
1493
e936723cb94d added dest_comb, dest_abs and mk_prop for manipulating cterms
clasohm
parents: 1460
diff changeset
   244
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   245
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   246
(* constructors *)
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   247
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   248
fun rename_tvar (a, i) (Ctyp {cert, T, maxidx, sorts}) =
60952
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   249
  let
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   250
    val S =
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   251
      (case T of
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   252
        TFree (_, S) => S
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   253
      | TVar (_, S) => S
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   254
      | _ => raise TYPE ("rename_tvar: no variable", [T], []));
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   255
    val _ = if i < 0 then raise TYPE ("rename_tvar: bad index", [TVar ((a, i), S)], []) else ();
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   256
  in Ctyp {cert = cert, T = TVar ((a, i), S), maxidx = Int.max (i, maxidx), sorts = sorts} end;
60952
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   257
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   258
fun var ((x, i), Ctyp {cert, T, maxidx, sorts}) =
60951
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60949
diff changeset
   259
  if i < 0 then raise TERM ("var: bad index", [Var ((x, i), T)])
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   260
  else Cterm {cert = cert, t = Var ((x, i), T), T = T, maxidx = Int.max (i, maxidx), sorts = sorts};
60951
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60949
diff changeset
   261
46497
89ccf66aa73d renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in conformance with similar operations in structure Term and Logic;
wenzelm
parents: 46475
diff changeset
   262
fun apply
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   263
  (cf as Cterm {t = f, T = Type ("fun", [dty, rty]), maxidx = maxidx1, sorts = sorts1, ...})
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   264
  (cx as Cterm {t = x, T, maxidx = maxidx2, sorts = sorts2, ...}) =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   265
    if T = dty then
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   266
      Cterm {cert = join_certificate0 (cf, cx),
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   267
        t = f $ x,
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   268
        T = rty,
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   269
        maxidx = Int.max (maxidx1, maxidx2),
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   270
        sorts = Sorts.union sorts1 sorts2}
46497
89ccf66aa73d renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in conformance with similar operations in structure Term and Logic;
wenzelm
parents: 46475
diff changeset
   271
      else raise CTERM ("apply: types don't agree", [cf, cx])
89ccf66aa73d renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in conformance with similar operations in structure Term and Logic;
wenzelm
parents: 46475
diff changeset
   272
  | apply cf cx = raise CTERM ("apply: first arg is not a function", [cf, cx]);
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   273
46497
89ccf66aa73d renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in conformance with similar operations in structure Term and Logic;
wenzelm
parents: 46475
diff changeset
   274
fun lambda_name
32198
9bdd47909ea8 lambda/cabs/all: named variants;
wenzelm
parents: 32104
diff changeset
   275
  (x, ct1 as Cterm {t = t1, T = T1, maxidx = maxidx1, sorts = sorts1, ...})
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   276
  (ct2 as Cterm {t = t2, T = T2, maxidx = maxidx2, sorts = sorts2, ...}) =
32198
9bdd47909ea8 lambda/cabs/all: named variants;
wenzelm
parents: 32104
diff changeset
   277
    let val t = Term.lambda_name (x, t1) t2 in
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   278
      Cterm {cert = join_certificate0 (ct1, ct2),
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   279
        t = t, T = T1 --> T2,
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   280
        maxidx = Int.max (maxidx1, maxidx2),
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   281
        sorts = Sorts.union sorts1 sorts2}
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   282
    end;
229
4002c4cd450c Pure: MAJOR CHANGE. Moved ML types ctyp and cterm and their associated
lcp
parents: 225
diff changeset
   283
46497
89ccf66aa73d renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in conformance with similar operations in structure Term and Logic;
wenzelm
parents: 46475
diff changeset
   284
fun lambda t u = lambda_name ("", t) u;
32198
9bdd47909ea8 lambda/cabs/all: named variants;
wenzelm
parents: 32104
diff changeset
   285
20580
6fb75df09253 added dest_arg, i.e. a tuned version of #2 o dest_comb;
wenzelm
parents: 20548
diff changeset
   286
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   287
(* indexes *)
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   288
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   289
fun adjust_maxidx_cterm i (ct as Cterm {cert, t, T, maxidx, sorts}) =
20580
6fb75df09253 added dest_arg, i.e. a tuned version of #2 o dest_comb;
wenzelm
parents: 20548
diff changeset
   290
  if maxidx = i then ct
6fb75df09253 added dest_arg, i.e. a tuned version of #2 o dest_comb;
wenzelm
parents: 20548
diff changeset
   291
  else if maxidx < i then
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   292
    Cterm {maxidx = i, cert = cert, t = t, T = T, sorts = sorts}
20580
6fb75df09253 added dest_arg, i.e. a tuned version of #2 o dest_comb;
wenzelm
parents: 20548
diff changeset
   293
  else
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   294
    Cterm {maxidx = Int.max (maxidx_of_term t, i), cert = cert, t = t, T = T, sorts = sorts};
20580
6fb75df09253 added dest_arg, i.e. a tuned version of #2 o dest_comb;
wenzelm
parents: 20548
diff changeset
   295
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   296
fun incr_indexes_cterm i (ct as Cterm {cert, t, T, maxidx, sorts}) =
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   297
  if i < 0 then raise CTERM ("negative increment", [ct])
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   298
  else if i = 0 then ct
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   299
  else Cterm {cert = cert, t = Logic.incr_indexes ([], [], i) t,
22909
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   300
    T = Logic.incr_tvar i T, maxidx = maxidx + i, sorts = sorts};
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   301
7de3b0ac4189 added dest_fun/fun2/arg1;
wenzelm
parents: 22685
diff changeset
   302
2509
0a7169d89b7a added termless parameter;
wenzelm
parents: 2386
diff changeset
   303
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   304
(*** Derivations and Theorems ***)
229
4002c4cd450c Pure: MAJOR CHANGE. Moved ML types ctyp and cterm and their associated
lcp
parents: 225
diff changeset
   305
32590
95f4f08f950f replaced opaque signature matching by plain old abstype (again, cf. ac4498f95d1c) -- this recovers pretty printing in SML/NJ and Poly/ML 5.3;
wenzelm
parents: 32198
diff changeset
   306
abstype thm = Thm of
40124
fc77d3211f71 recovered some odd two-dimensional layout;
wenzelm
parents: 39687
diff changeset
   307
 deriv *                        (*derivation*)
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   308
 {cert: Context.certificate,    (*background theory certificate*)
40124
fc77d3211f71 recovered some odd two-dimensional layout;
wenzelm
parents: 39687
diff changeset
   309
  tags: Properties.T,           (*additional annotations/comments*)
fc77d3211f71 recovered some odd two-dimensional layout;
wenzelm
parents: 39687
diff changeset
   310
  maxidx: int,                  (*maximum index of any Var or TVar*)
fc77d3211f71 recovered some odd two-dimensional layout;
wenzelm
parents: 39687
diff changeset
   311
  shyps: sort Ord_List.T,       (*sort hypotheses*)
fc77d3211f71 recovered some odd two-dimensional layout;
wenzelm
parents: 39687
diff changeset
   312
  hyps: term Ord_List.T,        (*hypotheses*)
fc77d3211f71 recovered some odd two-dimensional layout;
wenzelm
parents: 39687
diff changeset
   313
  tpairs: (term * term) list,   (*flex-flex pairs*)
fc77d3211f71 recovered some odd two-dimensional layout;
wenzelm
parents: 39687
diff changeset
   314
  prop: term}                   (*conclusion*)
28624
d983515e5cdf added weaken_sorts;
wenzelm
parents: 28446
diff changeset
   315
and deriv = Deriv of
39687
4e9b6ada3a21 modernized structure Ord_List;
wenzelm
parents: 38709
diff changeset
   316
 {promises: (serial * thm future) Ord_List.T,
37309
38ce84c83738 eliminated ML structure alias;
wenzelm
parents: 37297
diff changeset
   317
  body: Proofterm.proof_body}
32590
95f4f08f950f replaced opaque signature matching by plain old abstype (again, cf. ac4498f95d1c) -- this recovers pretty printing in SML/NJ and Poly/ML 5.3;
wenzelm
parents: 32198
diff changeset
   318
with
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   319
23601
3a40294140f0 added type conv;
wenzelm
parents: 23493
diff changeset
   320
type conv = cterm -> thm;
3a40294140f0 added type conv;
wenzelm
parents: 23493
diff changeset
   321
16725
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   322
(*errors involving theorems*)
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   323
exception THM of string * int * thm list;
13658
c9ad3e64ddcf Changed handling of flex-flex constraints: now stored in separate
berghofe
parents: 13642
diff changeset
   324
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   325
fun rep_thm (Thm (_, args)) = args;
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   326
31947
7daee3bed3af clarified strip_shyps: proper type witnesses for present sorts;
wenzelm
parents: 31945
diff changeset
   327
fun fold_terms f (Thm (_, {tpairs, prop, hyps, ...})) =
7daee3bed3af clarified strip_shyps: proper type witnesses for present sorts;
wenzelm
parents: 31945
diff changeset
   328
  fold (fn (t, u) => f t #> f u) tpairs #> f prop #> fold f hyps;
7daee3bed3af clarified strip_shyps: proper type witnesses for present sorts;
wenzelm
parents: 31945
diff changeset
   329
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   330
fun fold_atomic_ctyps f (th as Thm (_, {cert, maxidx, shyps, ...})) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   331
  let fun ctyp T = Ctyp {cert = cert, T = T, maxidx = maxidx, sorts = shyps}
60952
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   332
  in (fold_terms o fold_types o fold_atyps) (f o ctyp) th end;
762cb38a3147 produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60951
diff changeset
   333
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   334
fun fold_atomic_cterms f (th as Thm (_, {cert, maxidx, shyps, ...})) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   335
  let fun cterm t T = Cterm {cert = cert, t = t, T = T, maxidx = maxidx, sorts = shyps} in
60818
5e11a6e2b044 more direct access to atomic cterms;
wenzelm
parents: 60642
diff changeset
   336
    (fold_terms o fold_aterms)
5e11a6e2b044 more direct access to atomic cterms;
wenzelm
parents: 60642
diff changeset
   337
      (fn t as Const (_, T) => f (cterm t T)
5e11a6e2b044 more direct access to atomic cterms;
wenzelm
parents: 60642
diff changeset
   338
        | t as Free (_, T) => f (cterm t T)
5e11a6e2b044 more direct access to atomic cterms;
wenzelm
parents: 60642
diff changeset
   339
        | t as Var (_, T) => f (cterm t T)
5e11a6e2b044 more direct access to atomic cterms;
wenzelm
parents: 60642
diff changeset
   340
        | _ => I) th
5e11a6e2b044 more direct access to atomic cterms;
wenzelm
parents: 60642
diff changeset
   341
  end;
5e11a6e2b044 more direct access to atomic cterms;
wenzelm
parents: 60642
diff changeset
   342
16725
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   343
fun terms_of_tpairs tpairs = fold_rev (fn (t, u) => cons t o cons u) tpairs [];
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   344
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   345
fun eq_tpairs ((t, u), (t', u')) = t aconv t' andalso u aconv u';
18944
7d2ed9063477 union_tpairs: Library.merge;
wenzelm
parents: 18733
diff changeset
   346
fun union_tpairs ts us = Library.merge eq_tpairs (ts, us);
16884
1678a796b6b2 tuned instantiate (avoid subst_atomic, subst_atomic_types);
wenzelm
parents: 16847
diff changeset
   347
val maxidx_tpairs = fold (fn (t, u) => Term.maxidx_term t #> Term.maxidx_term u);
16725
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   348
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   349
fun attach_tpairs tpairs prop =
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   350
  Logic.list_implies (map Logic.mk_equals tpairs, prop);
597830f91930 added full_prop_of: includes tpairs;
wenzelm
parents: 16711
diff changeset
   351
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   352
fun full_prop_of (Thm (_, {tpairs, prop, ...})) = attach_tpairs tpairs prop;
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   353
39687
4e9b6ada3a21 modernized structure Ord_List;
wenzelm
parents: 38709
diff changeset
   354
val union_hyps = Ord_List.union Term_Ord.fast_term_ord;
4e9b6ada3a21 modernized structure Ord_List;
wenzelm
parents: 38709
diff changeset
   355
val insert_hyps = Ord_List.insert Term_Ord.fast_term_ord;
4e9b6ada3a21 modernized structure Ord_List;
wenzelm
parents: 38709
diff changeset
   356
val remove_hyps = Ord_List.remove Term_Ord.fast_term_ord;
22365
ce62a5f6954c moved some non-kernel material to more_thm.ML;
wenzelm
parents: 22237
diff changeset
   357
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   358
fun join_certificate1 (Cterm {cert = cert1, ...}, Thm (_, {cert = cert2, ...})) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   359
  Context.join_certificate (cert1, cert2);
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   360
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   361
fun join_certificate2 (Thm (_, {cert = cert1, ...}), Thm (_, {cert = cert2, ...})) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   362
  Context.join_certificate (cert1, cert2);
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   363
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   364
22365
ce62a5f6954c moved some non-kernel material to more_thm.ML;
wenzelm
parents: 22237
diff changeset
   365
(* basic components *)
16135
c66545fe72bf added eq_thms;
wenzelm
parents: 16024
diff changeset
   366
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   367
val cert_of = #cert o rep_thm;
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   368
val theory_id_of_thm = Context.certificate_theory_id o cert_of;
60948
b710a5087116 prefer theory_id operations;
wenzelm
parents: 60939
diff changeset
   369
val theory_name_of_thm = Context.theory_id_name o theory_id_of_thm;
61050
3bc7dcc565dc clarified exceptions;
wenzelm
parents: 61048
diff changeset
   370
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   371
val maxidx_of = #maxidx o rep_thm;
19910
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
   372
fun maxidx_thm th i = Int.max (maxidx_of th, i);
61039
80f40d89dab6 tuned signature;
wenzelm
parents: 60952
diff changeset
   373
val shyps_of = #shyps o rep_thm;
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   374
val hyps_of = #hyps o rep_thm;
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   375
val prop_of = #prop o rep_thm;
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   376
val tpairs_of = #tpairs o rep_thm;
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   377
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   378
val concl_of = Logic.strip_imp_concl o prop_of;
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   379
val prems_of = Logic.strip_imp_prems o prop_of;
21576
8c11b1ce2f05 simplified Logic.count_prems;
wenzelm
parents: 21437
diff changeset
   380
val nprems_of = Logic.count_prems o prop_of;
19305
5c16895d548b avoid polymorphic equality;
wenzelm
parents: 19230
diff changeset
   381
fun no_prems th = nprems_of th = 0;
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   382
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   383
fun major_prem_of th =
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   384
  (case prems_of th of
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   385
    prem :: _ => Logic.strip_assums_concl prem
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   386
  | [] => raise THM ("major_prem_of: rule with no premises", 0, [th]));
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   387
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   388
fun cprop_of (Thm (_, {cert, maxidx, shyps, prop, ...})) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   389
  Cterm {cert = cert, maxidx = maxidx, T = propT, t = prop, sorts = shyps};
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   390
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   391
fun cprem_of (th as Thm (_, {cert, maxidx, shyps, prop, ...})) i =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   392
  Cterm {cert = cert, maxidx = maxidx, T = propT, sorts = shyps,
18145
6757627acf59 renamed Thm.cgoal_of to Thm.cprem_of;
wenzelm
parents: 18127
diff changeset
   393
    t = Logic.nth_prem (i, prop) handle TERM _ => raise THM ("cprem_of", i, [th])};
18035
eaae44affc9e added cgoal_of;
wenzelm
parents: 17868
diff changeset
   394
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   395
fun chyps_of (Thm (_, {cert, shyps, hyps, ...})) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   396
  map (fn t => Cterm {cert = cert, maxidx = ~1, T = propT, sorts = shyps, t = t}) hyps;
60949
ccbf9379e355 added Thm.chyps_of;
wenzelm
parents: 60948
diff changeset
   397
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   398
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   399
(* implicit theory context *)
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   400
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   401
exception CONTEXT of string * ctyp list * cterm list * thm list * Context.generic option;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   402
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   403
fun theory_of_cterm (ct as Cterm {cert, ...}) =
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   404
  Context.certificate_theory cert
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   405
    handle ERROR msg => raise CONTEXT (msg, [], [ct], [], NONE);
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   406
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   407
fun theory_of_thm th =
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   408
  Context.certificate_theory (cert_of th)
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   409
    handle ERROR msg => raise CONTEXT (msg, [], [], [th], NONE);
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   410
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   411
fun trim_context_cterm ct =
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   412
  (case ct of
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   413
    Cterm {cert = Context.Certificate_Id _, ...} => ct
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   414
  | Cterm {cert = Context.Certificate thy, t, T, maxidx, sorts} =>
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   415
      Cterm {cert = Context.Certificate_Id (Context.theory_id thy),
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   416
        t = t, T = T, maxidx = maxidx, sorts = sorts});
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   417
61048
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
   418
fun trim_context th =
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
   419
  (case th of
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
   420
    Thm (_, {cert = Context.Certificate_Id _, ...}) => th
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
   421
  | Thm (der, {cert = Context.Certificate thy, tags, maxidx, shyps, hyps, tpairs, prop}) =>
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
   422
      Thm (der,
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
   423
       {cert = Context.Certificate_Id (Context.theory_id thy),
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
   424
        tags = tags, maxidx = maxidx, shyps = shyps, hyps = hyps, tpairs = tpairs, prop = prop}));
408ff2390530 trim context for persistent storage;
wenzelm
parents: 61047
diff changeset
   425
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   426
fun transfer_cterm thy' ct =
3895
b2463861c86a added transfer: theory -> thm -> thm;
wenzelm
parents: 3893
diff changeset
   427
  let
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   428
    val Cterm {cert, t, T, maxidx, sorts} = ct;
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   429
    val _ =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   430
      Context.subthy_id (Context.certificate_theory_id cert, Context.theory_id thy') orelse
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   431
        raise CONTEXT ("Cannot transfer: not a super theory", [], [ct], [],
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   432
          SOME (Context.Theory thy'));
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   433
    val cert' = Context.join_certificate (Context.Certificate thy', cert);
3895
b2463861c86a added transfer: theory -> thm -> thm;
wenzelm
parents: 3893
diff changeset
   434
  in
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   435
    if Context.eq_certificate (cert, cert') then ct
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   436
    else Cterm {cert = cert', t = t, T = T, maxidx = maxidx, sorts = sorts}
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   437
  end;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   438
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   439
fun transfer thy' th =
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   440
  let
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   441
    val Thm (der, {cert, tags, maxidx, shyps, hyps, tpairs, prop}) = th;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   442
    val _ =
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   443
      Context.subthy_id (Context.certificate_theory_id cert, Context.theory_id thy') orelse
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   444
        raise CONTEXT ("Cannot transfer: not a super theory", [], [], [th],
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   445
          SOME (Context.Theory thy'));
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   446
    val cert' = Context.join_certificate (Context.Certificate thy', cert);
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   447
  in
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   448
    if Context.eq_certificate (cert, cert') then th
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   449
    else
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   450
      Thm (der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   451
       {cert = cert',
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   452
        tags = tags,
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   453
        maxidx = maxidx,
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   454
        shyps = shyps,
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   455
        hyps = hyps,
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   456
        tpairs = tpairs,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   457
        prop = prop})
3895
b2463861c86a added transfer: theory -> thm -> thm;
wenzelm
parents: 3893
diff changeset
   458
  end;
387
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   459
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   460
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   461
(* matching *)
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   462
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   463
local
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   464
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   465
fun gen_match match
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   466
    (ct1 as Cterm {t = t1, sorts = sorts1, ...},
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   467
     ct2 as Cterm {t = t2, sorts = sorts2, maxidx = maxidx2, ...}) =
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   468
  let
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   469
    val cert = join_certificate0 (ct1, ct2);
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   470
    val thy = Context.certificate_theory cert
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   471
      handle ERROR msg => raise CONTEXT (msg, [], [ct1, ct2], [], NONE);
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   472
    val (Tinsts, tinsts) = match thy (t1, t2) (Vartab.empty, Vartab.empty);
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   473
    val sorts = Sorts.union sorts1 sorts2;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   474
    fun mk_cTinst ((a, i), (S, T)) =
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   475
      (((a, i), S), Ctyp {T = T, cert = cert, maxidx = maxidx2, sorts = sorts});
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   476
    fun mk_ctinst ((x, i), (U, t)) =
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   477
      let val T = Envir.subst_type Tinsts U in
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   478
        (((x, i), T), Cterm {t = t, T = T, cert = cert, maxidx = maxidx2, sorts = sorts})
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   479
      end;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   480
  in (Vartab.fold (cons o mk_cTinst) Tinsts [], Vartab.fold (cons o mk_ctinst) tinsts []) end;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   481
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   482
in
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   483
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   484
val match = gen_match Pattern.match;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   485
val first_order_match = gen_match Pattern.first_order_match;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   486
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   487
end;
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   488
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   489
59969
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
   490
(*implicit alpha-conversion*)
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   491
fun renamed_prop prop' (Thm (der, {cert, tags, maxidx, shyps, hyps, tpairs, prop})) =
59969
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
   492
  if prop aconv prop' then
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   493
    Thm (der, {cert = cert, tags = tags, maxidx = maxidx, shyps = shyps,
59969
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
   494
      hyps = hyps, tpairs = tpairs, prop = prop'})
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
   495
  else raise TERM ("renamed_prop: props disagree", [prop, prop']);
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59917
diff changeset
   496
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   497
fun make_context ths NONE cert =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   498
      (Context.Theory (Context.certificate_theory cert)
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   499
        handle ERROR msg => raise CONTEXT (msg, [], [], ths, NONE))
61045
c7a7f063704a clarified exceptions: avoid interference of formal context failure with regular rule application failure (which is routinely handled in user-space);
wenzelm
parents: 61044
diff changeset
   500
  | make_context ths (SOME ctxt) cert =
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   501
      let
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   502
        val thy_id = Context.certificate_theory_id cert;
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   503
        val thy_id' = Context.theory_id (Proof_Context.theory_of ctxt);
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   504
      in
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   505
        if Context.subthy_id (thy_id, thy_id') then Context.Proof ctxt
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
   506
        else raise CONTEXT ("Bad context", [], [], ths, SOME (Context.Proof ctxt))
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   507
      end;
58950
d07464875dd4 optional proof context for unify operations, for the sake of proper local options;
wenzelm
parents: 58946
diff changeset
   508
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   509
(*explicit weakening: maps |- B to A |- B*)
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   510
fun weaken raw_ct th =
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   511
  let
20261
af51389aa756 adjust_maxidx: pass explicit lower bound;
wenzelm
parents: 20071
diff changeset
   512
    val ct as Cterm {t = A, T, sorts, maxidx = maxidxA, ...} = adjust_maxidx_cterm ~1 raw_ct;
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   513
    val Thm (der, {tags, maxidx, shyps, hyps, tpairs, prop, ...}) = th;
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   514
  in
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   515
    if T <> propT then
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   516
      raise THM ("weaken: assumptions must have type prop", 0, [])
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   517
    else if maxidxA <> ~1 then
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   518
      raise THM ("weaken: assumptions may not contain schematic variables", maxidxA, [])
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   519
    else
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   520
      Thm (der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   521
       {cert = join_certificate1 (ct, th),
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   522
        tags = tags,
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   523
        maxidx = maxidx,
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   524
        shyps = Sorts.union sorts shyps,
28354
c5fe7372ae4e explicit type OrdList.T;
wenzelm
parents: 28330
diff changeset
   525
        hyps = insert_hyps A hyps,
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   526
        tpairs = tpairs,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   527
        prop = prop})
16945
5d3ae25673a8 added weaken, adjust_maxidx_thm;
wenzelm
parents: 16884
diff changeset
   528
  end;
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   529
28624
d983515e5cdf added weaken_sorts;
wenzelm
parents: 28446
diff changeset
   530
fun weaken_sorts raw_sorts ct =
d983515e5cdf added weaken_sorts;
wenzelm
parents: 28446
diff changeset
   531
  let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   532
    val Cterm {cert, t, T, maxidx, sorts} = ct;
61050
3bc7dcc565dc clarified exceptions;
wenzelm
parents: 61048
diff changeset
   533
    val thy = theory_of_cterm ct;
28624
d983515e5cdf added weaken_sorts;
wenzelm
parents: 28446
diff changeset
   534
    val more_sorts = Sorts.make (map (Sign.certify_sort thy) raw_sorts);
d983515e5cdf added weaken_sorts;
wenzelm
parents: 28446
diff changeset
   535
    val sorts' = Sorts.union sorts more_sorts;
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   536
  in Cterm {cert = cert, t = t, T = T, maxidx = maxidx, sorts = sorts'} end;
28624
d983515e5cdf added weaken_sorts;
wenzelm
parents: 28446
diff changeset
   537
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   538
(*dangling sort constraints of a thm*)
31947
7daee3bed3af clarified strip_shyps: proper type witnesses for present sorts;
wenzelm
parents: 31945
diff changeset
   539
fun extra_shyps (th as Thm (_, {shyps, ...})) =
7daee3bed3af clarified strip_shyps: proper type witnesses for present sorts;
wenzelm
parents: 31945
diff changeset
   540
  Sorts.subtract (fold_terms Sorts.insert_term th []) shyps;
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   541
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   542
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   543
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   544
(** derivations and promised proofs **)
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   545
32059
7991cdf10a54 support for arbitrarity nested future proofs -- replaced crude order by explicit normalization (which might loop for bad dependencies);
wenzelm
parents: 32035
diff changeset
   546
fun make_deriv promises oracles thms proof =
7991cdf10a54 support for arbitrarity nested future proofs -- replaced crude order by explicit normalization (which might loop for bad dependencies);
wenzelm
parents: 32035
diff changeset
   547
  Deriv {promises = promises, body = PBody {oracles = oracles, thms = thms, proof = proof}};
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   548
37309
38ce84c83738 eliminated ML structure alias;
wenzelm
parents: 37297
diff changeset
   549
val empty_deriv = make_deriv [] [] [] Proofterm.MinProof;
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   550
28330
7e803c392342 added dest_deriv, removed external type deriv;
wenzelm
parents: 28321
diff changeset
   551
28354
c5fe7372ae4e explicit type OrdList.T;
wenzelm
parents: 28330
diff changeset
   552
(* inference rules *)
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   553
28378
60cc0359363d promise: include check into future body, i.e. joined results are always valid;
wenzelm
parents: 28364
diff changeset
   554
fun promise_ord ((i, _), (j, _)) = int_ord (j, i);
28330
7e803c392342 added dest_deriv, removed external type deriv;
wenzelm
parents: 28321
diff changeset
   555
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   556
fun deriv_rule2 f
32059
7991cdf10a54 support for arbitrarity nested future proofs -- replaced crude order by explicit normalization (which might loop for bad dependencies);
wenzelm
parents: 32035
diff changeset
   557
    (Deriv {promises = ps1, body = PBody {oracles = oras1, thms = thms1, proof = prf1}})
7991cdf10a54 support for arbitrarity nested future proofs -- replaced crude order by explicit normalization (which might loop for bad dependencies);
wenzelm
parents: 32035
diff changeset
   558
    (Deriv {promises = ps2, body = PBody {oracles = oras2, thms = thms2, proof = prf2}}) =
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   559
  let
39687
4e9b6ada3a21 modernized structure Ord_List;
wenzelm
parents: 38709
diff changeset
   560
    val ps = Ord_List.union promise_ord ps1 ps2;
44334
605381e7c7c5 more direct balanced version Ord_List.unions;
wenzelm
parents: 44333
diff changeset
   561
    val oras = Proofterm.unions_oracles [oras1, oras2];
605381e7c7c5 more direct balanced version Ord_List.unions;
wenzelm
parents: 44333
diff changeset
   562
    val thms = Proofterm.unions_thms [thms1, thms2];
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   563
    val prf =
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   564
      (case ! Proofterm.proofs of
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   565
        2 => f prf1 prf2
28804
5d3b1df16353 refined notion of derivation, consiting of promises and proof_body;
wenzelm
parents: 28675
diff changeset
   566
      | 1 => MinProof
5d3b1df16353 refined notion of derivation, consiting of promises and proof_body;
wenzelm
parents: 28675
diff changeset
   567
      | 0 => MinProof
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   568
      | i => error ("Illegal level of detail for proof objects: " ^ string_of_int i));
32059
7991cdf10a54 support for arbitrarity nested future proofs -- replaced crude order by explicit normalization (which might loop for bad dependencies);
wenzelm
parents: 32035
diff changeset
   569
  in make_deriv ps oras thms prf end;
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   570
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   571
fun deriv_rule1 f = deriv_rule2 (K f) empty_deriv;
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   572
fun deriv_rule0 prf = deriv_rule1 I (make_deriv [] [] [] prf);
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   573
36621
2fd4e2c76636 proof terms for strip_shyps, based on the version by krauss/schropp with some notable differences:
wenzelm
parents: 36619
diff changeset
   574
fun deriv_rule_unconditional f (Deriv {promises, body = PBody {oracles, thms, proof}}) =
2fd4e2c76636 proof terms for strip_shyps, based on the version by krauss/schropp with some notable differences:
wenzelm
parents: 36619
diff changeset
   575
  make_deriv promises oracles thms (f proof);
2fd4e2c76636 proof terms for strip_shyps, based on the version by krauss/schropp with some notable differences:
wenzelm
parents: 36619
diff changeset
   576
1238
289c573327f0 considerably tuned shyps handling;
wenzelm
parents: 1229
diff changeset
   577
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   578
(* fulfilled proofs *)
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   579
44331
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   580
fun raw_body_of (Thm (Deriv {body, ...}, _)) = body;
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   581
fun raw_promises_of (Thm (Deriv {promises, ...}, _)) = promises;
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   582
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   583
fun join_promises [] = ()
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   584
  | join_promises promises = join_promises_of (Future.joins (map snd promises))
49008
a3cdb49c22cc proper merge of promises to avoid exponential blow-up in pathologic situations (e.g. lack of PThm wrapping);
wenzelm
parents: 48263
diff changeset
   585
and join_promises_of thms = join_promises (Ord_List.make promise_ord (maps raw_promises_of thms));
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   586
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   587
fun fulfill_body (th as Thm (Deriv {promises, body}, _)) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   588
  Proofterm.fulfill_norm_proof (theory_of_thm th) (fulfill_promises promises) body
44331
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   589
and fulfill_promises promises =
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   590
  map fst promises ~~ map fulfill_body (Future.joins (map snd promises));
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   591
44333
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
   592
fun proof_bodies_of thms =
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
   593
  let
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
   594
    val _ = join_promises_of thms;
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
   595
    val bodies = map fulfill_body thms;
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
   596
    val _ = Proofterm.join_bodies bodies;
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
   597
  in bodies end;
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
   598
cc53ce50f738 reverted to join_bodies/join_proofs based on fold_body_thms to regain performance (escpecially of HOL-Proofs) -- see also aa9c1e9ef2ce and 4e2abb045eac;
wenzelm
parents: 44331
diff changeset
   599
val proof_body_of = singleton proof_bodies_of;
44331
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   600
val proof_of = Proofterm.proof_of o proof_body_of;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   601
64570
a2e7862e7dd5 back to full Proofterm.join_bodies, which was lost in 2011 (4e2abb045eac, cc53ce50f738);
wenzelm
parents: 64568
diff changeset
   602
val join_proofs = Proofterm.join_bodies o proof_bodies_of;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   603
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   604
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   605
(* derivation status *)
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   606
50126
3dec88149176 theorem status about oracles/futures is no longer printed by default;
wenzelm
parents: 49008
diff changeset
   607
fun peek_status (Thm (Deriv {promises, body}, _)) =
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   608
  let
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   609
    val ps = map (Future.peek o snd) promises;
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   610
    val bodies = body ::
44331
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   611
      map_filter (fn SOME (Exn.Res th) => SOME (raw_body_of th) | _ => NONE) ps;
50126
3dec88149176 theorem status about oracles/futures is no longer printed by default;
wenzelm
parents: 49008
diff changeset
   612
    val {oracle, unfinished, failed} = Proofterm.peek_status bodies;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   613
  in
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   614
   {oracle = oracle,
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   615
    unfinished = unfinished orelse exists is_none ps,
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   616
    failed = failed orelse exists (fn SOME (Exn.Exn _) => true | _ => false) ps}
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   617
  end;
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   618
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   619
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   620
(* future rule *)
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   621
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   622
fun future_result i orig_cert orig_shyps orig_prop thm =
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   623
  let
36613
f3157c288aca simplified primitive Thm.future: more direct theory check, do not hardwire strip_shyps here;
wenzelm
parents: 36330
diff changeset
   624
    fun err msg = raise THM ("future_result: " ^ msg, 0, [thm]);
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   625
    val Thm (Deriv {promises, ...}, {cert, shyps, hyps, tpairs, prop, ...}) = thm;
36613
f3157c288aca simplified primitive Thm.future: more direct theory check, do not hardwire strip_shyps here;
wenzelm
parents: 36330
diff changeset
   626
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   627
    val _ = Context.eq_certificate (cert, orig_cert) orelse err "bad theory";
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   628
    val _ = prop aconv orig_prop orelse err "bad prop";
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   629
    val _ = null tpairs orelse err "bad tpairs";
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   630
    val _ = null hyps orelse err "bad hyps";
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   631
    val _ = Sorts.subset (shyps, orig_shyps) orelse err "bad shyps";
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   632
    val _ = forall (fn (j, _) => i <> j) promises orelse err "bad dependencies";
44331
aa9c1e9ef2ce clarified fulfill_norm_proof: no join_thms yet;
wenzelm
parents: 44330
diff changeset
   633
    val _ = join_promises promises;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   634
  in thm end;
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   635
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   636
fun future future_thm ct =
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   637
  let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   638
    val Cterm {cert = cert, t = prop, T, maxidx, sorts} = ct;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   639
    val _ = T <> propT andalso raise CTERM ("future: prop expected", [ct]);
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   640
61050
3bc7dcc565dc clarified exceptions;
wenzelm
parents: 61048
diff changeset
   641
    val thy = theory_of_cterm ct;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   642
    val i = serial ();
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   643
    val future = future_thm |> Future.map (future_result i cert sorts prop);
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   644
  in
37309
38ce84c83738 eliminated ML structure alias;
wenzelm
parents: 37297
diff changeset
   645
    Thm (make_deriv [(i, future)] [] [] (Proofterm.promise_proof thy i prop),
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   646
     {cert = cert,
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   647
      tags = [],
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   648
      maxidx = maxidx,
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   649
      shyps = sorts,
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   650
      hyps = [],
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   651
      tpairs = [],
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   652
      prop = prop})
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   653
  end;
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   654
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   655
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   656
(* closed derivations with official name *)
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   657
41699
21492e1c2b5a tuned comments;
wenzelm
parents: 40238
diff changeset
   658
(*non-deterministic, depends on unknown promises*)
64568
a504a3dec35a more careful derivation_closed / close_derivation;
wenzelm
parents: 63858
diff changeset
   659
fun derivation_closed (Thm (Deriv {body, ...}, _)) =
a504a3dec35a more careful derivation_closed / close_derivation;
wenzelm
parents: 63858
diff changeset
   660
  Proofterm.compact_proof (Proofterm.proof_of body);
a504a3dec35a more careful derivation_closed / close_derivation;
wenzelm
parents: 63858
diff changeset
   661
a504a3dec35a more careful derivation_closed / close_derivation;
wenzelm
parents: 63858
diff changeset
   662
(*non-deterministic, depends on unknown promises*)
37297
a1acd424645a always unconstrain thm proofs;
wenzelm
parents: 36983
diff changeset
   663
fun derivation_name (Thm (Deriv {body, ...}, {shyps, hyps, prop, ...})) =
37309
38ce84c83738 eliminated ML structure alias;
wenzelm
parents: 37297
diff changeset
   664
  Proofterm.get_name shyps hyps prop (Proofterm.proof_of body);
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   665
36744
6e1f3d609a68 renamed Thm.get_name -> Thm.derivation_name and Thm.put_name -> Thm.name_derivation, to emphasize the true nature of these operations;
wenzelm
parents: 36742
diff changeset
   666
fun name_derivation name (thm as Thm (der, args)) =
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   667
  let
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   668
    val Deriv {promises, body} = der;
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   669
    val {shyps, hyps, prop, tpairs, ...} = args;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   670
    val _ = null tpairs orelse raise THM ("put_name: unsolved flex-flex constraints", 0, [thm]);
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   671
    val thy = theory_of_thm thm;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   672
41700
f33d5a00c25d thm_proof: visible fulfill_body only, without joining nested thms -- retain proof irrelevance, which is important for parallel performance;
wenzelm
parents: 41699
diff changeset
   673
    val ps = map (apsnd (Future.map fulfill_body)) promises;
37309
38ce84c83738 eliminated ML structure alias;
wenzelm
parents: 37297
diff changeset
   674
    val (pthm, proof) = Proofterm.thm_proof thy name shyps hyps prop ps body;
32725
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   675
    val der' = make_deriv [] [] [pthm] proof;
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   676
  in Thm (der', args) end;
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   677
57e29093ecfb tuned internal source structure;
wenzelm
parents: 32590
diff changeset
   678
1238
289c573327f0 considerably tuned shyps handling;
wenzelm
parents: 1229
diff changeset
   679
1529
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
   680
(** Axioms **)
387
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   681
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   682
fun axiom thy0 name =
387
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   683
  let
16425
2427be27cc60 accomodate identification of type Sign.sg and theory;
wenzelm
parents: 16352
diff changeset
   684
    fun get_ax thy =
59884
bbf49d7dfd6f tuned signature;
wenzelm
parents: 59787
diff changeset
   685
      Name_Space.lookup (Theory.axiom_table thy) name
bbf49d7dfd6f tuned signature;
wenzelm
parents: 59787
diff changeset
   686
      |> Option.map (fn prop =>
24143
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
   687
           let
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   688
             val der = deriv_rule0 (Proofterm.axm_proof name prop);
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   689
             val cert = Context.Certificate thy;
24143
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
   690
             val maxidx = maxidx_of_term prop;
26640
92e6d3ec91bd simplified handling of sorts, removed unnecessary universal witness;
wenzelm
parents: 26631
diff changeset
   691
             val shyps = Sorts.insert_term prop [];
24143
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
   692
           in
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   693
             Thm (der, {cert = cert, tags = [],
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   694
               maxidx = maxidx, shyps = shyps, hyps = [], tpairs = [], prop = prop})
24143
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
   695
           end);
387
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   696
  in
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   697
    (case get_first get_ax (Theory.nodes_of thy0) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15454
diff changeset
   698
      SOME thm => thm
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   699
    | NONE => raise THEORY ("No axiom " ^ quote name, [thy0]))
387
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   700
  end;
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   701
776
df8f91c0e57c improved axioms_of: returns thms as the manual says;
wenzelm
parents: 721
diff changeset
   702
(*return additional axioms of this theory node*)
df8f91c0e57c improved axioms_of: returns thms as the manual says;
wenzelm
parents: 721
diff changeset
   703
fun axioms_of thy =
56025
d74fed45fa8b abstract type Name_Space.table;
wenzelm
parents: 52789
diff changeset
   704
  map (fn (name, _) => (name, axiom thy name)) (Theory.axioms_of thy);
776
df8f91c0e57c improved axioms_of: returns thms as the manual says;
wenzelm
parents: 721
diff changeset
   705
6089
4d2d5556b4f9 signature BASIC_THM;
wenzelm
parents: 5624
diff changeset
   706
28804
5d3b1df16353 refined notion of derivation, consiting of promises and proof_body;
wenzelm
parents: 28675
diff changeset
   707
(* tags *)
6089
4d2d5556b4f9 signature BASIC_THM;
wenzelm
parents: 5624
diff changeset
   708
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   709
val get_tags = #tags o rep_thm;
6089
4d2d5556b4f9 signature BASIC_THM;
wenzelm
parents: 5624
diff changeset
   710
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   711
fun map_tags f (Thm (der, {cert, tags, maxidx, shyps, hyps, tpairs, prop})) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   712
  Thm (der, {cert = cert, tags = f tags, maxidx = maxidx,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   713
    shyps = shyps, hyps = hyps, tpairs = tpairs, prop = prop});
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   714
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   715
43795
ca5896a836ba recovered some runtime sharing from d6b6c74a8bcf, without the global memory bottleneck;
wenzelm
parents: 43761
diff changeset
   716
(* technical adjustments *)
ca5896a836ba recovered some runtime sharing from d6b6c74a8bcf, without the global memory bottleneck;
wenzelm
parents: 43761
diff changeset
   717
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   718
fun norm_proof (th as Thm (der, args)) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   719
  Thm (deriv_rule1 (Proofterm.rew_proof (theory_of_thm th)) der, args);
23781
ab793a6ddf9f Added function norm_proof for normalizing the proof term
berghofe
parents: 23657
diff changeset
   720
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   721
fun adjust_maxidx_thm i (th as Thm (der, {cert, tags, maxidx, shyps, hyps, tpairs, prop})) =
20261
af51389aa756 adjust_maxidx: pass explicit lower bound;
wenzelm
parents: 20071
diff changeset
   722
  if maxidx = i then th
af51389aa756 adjust_maxidx: pass explicit lower bound;
wenzelm
parents: 20071
diff changeset
   723
  else if maxidx < i then
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   724
    Thm (der, {maxidx = i, cert = cert, tags = tags, shyps = shyps,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   725
      hyps = hyps, tpairs = tpairs, prop = prop})
20261
af51389aa756 adjust_maxidx: pass explicit lower bound;
wenzelm
parents: 20071
diff changeset
   726
  else
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   727
    Thm (der, {maxidx = Int.max (maxidx_tpairs tpairs (maxidx_of_term prop), i),
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   728
      cert = cert, tags = tags, shyps = shyps, hyps = hyps, tpairs = tpairs, prop = prop});
564
eec3a9222b50 added inferT_axm;
wenzelm
parents: 480
diff changeset
   729
387
69f4356d915d new datatype theory, supports 'draft theories' and incremental extension:
wenzelm
parents: 309
diff changeset
   730
2509
0a7169d89b7a added termless parameter;
wenzelm
parents: 2386
diff changeset
   731
1529
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
   732
(*** Meta rules ***)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   733
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   734
(** primitive rules **)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   735
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   736
(*The assumption rule A |- A*)
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   737
fun assume raw_ct =
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   738
  let val Cterm {cert, t = prop, T, maxidx, sorts} = adjust_maxidx_cterm ~1 raw_ct in
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   739
    if T <> propT then
19230
3342e7554b77 Shortened the exception messages from assume.
mengj
parents: 19012
diff changeset
   740
      raise THM ("assume: prop", 0, [])
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   741
    else if maxidx <> ~1 then
19230
3342e7554b77 Shortened the exception messages from assume.
mengj
parents: 19012
diff changeset
   742
      raise THM ("assume: variables", maxidx, [])
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   743
    else Thm (deriv_rule0 (Proofterm.Hyp prop),
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   744
     {cert = cert,
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   745
      tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   746
      maxidx = ~1,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   747
      shyps = sorts,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   748
      hyps = [prop],
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   749
      tpairs = [],
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   750
      prop = prop})
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   751
  end;
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   752
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   753
(*Implication introduction
3529
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
   754
    [A]
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
   755
     :
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
   756
     B
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   757
  -------
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   758
  A ==> B
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   759
*)
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   760
fun implies_intr
16679
abd1461fa288 dest_ctyp: raise exception for non-constructor;
wenzelm
parents: 16656
diff changeset
   761
    (ct as Cterm {t = A, T, maxidx = maxidxA, sorts, ...})
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   762
    (th as Thm (der, {maxidx, hyps, shyps, tpairs, prop, ...})) =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   763
  if T <> propT then
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   764
    raise THM ("implies_intr: assumptions must have type prop", 0, [th])
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   765
  else
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   766
    Thm (deriv_rule1 (Proofterm.implies_intr_proof A) der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   767
     {cert = join_certificate1 (ct, th),
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   768
      tags = [],
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   769
      maxidx = Int.max (maxidxA, maxidx),
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   770
      shyps = Sorts.union sorts shyps,
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   771
      hyps = remove_hyps A hyps,
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   772
      tpairs = tpairs,
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   773
      prop = Logic.mk_implies (A, prop)});
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   774
1529
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
   775
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   776
(*Implication elimination
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   777
  A ==> B    A
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   778
  ------------
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   779
        B
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   780
*)
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   781
fun implies_elim thAB thA =
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   782
  let
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   783
    val Thm (derA, {maxidx = maxA, hyps = hypsA, shyps = shypsA, tpairs = tpairsA,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   784
      prop = propA, ...}) = thA
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   785
    and Thm (der, {maxidx, hyps, shyps, tpairs, prop, ...}) = thAB;
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   786
    fun err () = raise THM ("implies_elim: major premise", 0, [thAB, thA]);
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   787
  in
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   788
    case prop of
56245
84fc7dfa3cd4 more qualified names;
wenzelm
parents: 56052
diff changeset
   789
      Const ("Pure.imp", _) $ A $ B =>
20512
a041c2afb52e ctyp: maintain maxidx;
wenzelm
parents: 20348
diff changeset
   790
        if A aconv propA then
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   791
          Thm (deriv_rule2 (curry Proofterm.%%) der derA,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   792
           {cert = join_certificate2 (thAB, thA),
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   793
            tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   794
            maxidx = Int.max (maxA, maxidx),
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   795
            shyps = Sorts.union shypsA shyps,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   796
            hyps = union_hyps hypsA hyps,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   797
            tpairs = union_tpairs tpairsA tpairs,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   798
            prop = B})
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   799
        else err ()
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   800
    | _ => err ()
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   801
  end;
250
9b5a069285ce extend_theory: changed type of "abbrs" arg;
wenzelm
parents: 242
diff changeset
   802
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   803
(*Forall introduction.  The Free or Var x must not be free in the hypotheses.
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   804
    [x]
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   805
     :
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   806
     A
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   807
  ------
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   808
  !!x. A
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   809
*)
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   810
fun forall_intr
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   811
    (ct as Cterm {t = x, T, sorts, ...})
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   812
    (th as Thm (der, {maxidx, shyps, hyps, tpairs, prop, ...})) =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   813
  let
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   814
    fun result a =
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   815
      Thm (deriv_rule1 (Proofterm.forall_intr_proof x a) der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   816
       {cert = join_certificate1 (ct, th),
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   817
        tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   818
        maxidx = maxidx,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   819
        shyps = Sorts.union sorts shyps,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   820
        hyps = hyps,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   821
        tpairs = tpairs,
46217
7b19666f0e3d renamed Term.all to Logic.all_const, in accordance to HOLogic.all_const;
wenzelm
parents: 45443
diff changeset
   822
        prop = Logic.all_const T $ Abs (a, T, abstract_over (x, prop))});
21798
a1399df6ecf3 tuned error messages;
wenzelm
parents: 21646
diff changeset
   823
    fun check_occs a x ts =
16847
8fc160b12e73 invoke_oracle: do not keep theory value, but theory_ref;
wenzelm
parents: 16725
diff changeset
   824
      if exists (fn t => Logic.occs (x, t)) ts then
21798
a1399df6ecf3 tuned error messages;
wenzelm
parents: 21646
diff changeset
   825
        raise THM ("forall_intr: variable " ^ quote a ^ " free in assumptions", 0, [th])
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   826
      else ();
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   827
  in
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
   828
    (case x of
21798
a1399df6ecf3 tuned error messages;
wenzelm
parents: 21646
diff changeset
   829
      Free (a, _) => (check_occs a x hyps; check_occs a x (terms_of_tpairs tpairs); result a)
a1399df6ecf3 tuned error messages;
wenzelm
parents: 21646
diff changeset
   830
    | Var ((a, _), _) => (check_occs a x (terms_of_tpairs tpairs); result a)
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
   831
    | _ => raise THM ("forall_intr: not a variable", 0, [th]))
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   832
  end;
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   833
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   834
(*Forall elimination
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   835
  !!x. A
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   836
  ------
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   837
  A[t/x]
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   838
*)
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   839
fun forall_elim
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   840
    (ct as Cterm {t, T, maxidx = maxt, sorts, ...})
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   841
    (th as Thm (der, {maxidx, shyps, hyps, tpairs, prop, ...})) =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   842
  (case prop of
56245
84fc7dfa3cd4 more qualified names;
wenzelm
parents: 56052
diff changeset
   843
    Const ("Pure.all", Type ("fun", [Type ("fun", [qary, _]), _])) $ A =>
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   844
      if T <> qary then
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   845
        raise THM ("forall_elim: type mismatch", 0, [th])
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   846
      else
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   847
        Thm (deriv_rule1 (Proofterm.% o rpair (SOME t)) der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   848
         {cert = join_certificate1 (ct, th),
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   849
          tags = [],
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   850
          maxidx = Int.max (maxidx, maxt),
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   851
          shyps = Sorts.union sorts shyps,
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   852
          hyps = hyps,
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   853
          tpairs = tpairs,
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   854
          prop = Term.betapply (A, t)})
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   855
  | _ => raise THM ("forall_elim: not quantified", 0, [th]));
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   856
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   857
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   858
(* Equality *)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   859
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   860
(*Reflexivity
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   861
  t == t
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   862
*)
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   863
fun reflexive (Cterm {cert, t, T = _, maxidx, sorts}) =
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   864
  Thm (deriv_rule0 Proofterm.reflexive,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   865
   {cert = cert,
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   866
    tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   867
    maxidx = maxidx,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   868
    shyps = sorts,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   869
    hyps = [],
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   870
    tpairs = [],
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   871
    prop = Logic.mk_equals (t, t)});
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   872
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   873
(*Symmetry
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   874
  t == u
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   875
  ------
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   876
  u == t
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   877
*)
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   878
fun symmetric (th as Thm (der, {cert, maxidx, shyps, hyps, tpairs, prop, ...})) =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   879
  (case prop of
56245
84fc7dfa3cd4 more qualified names;
wenzelm
parents: 56052
diff changeset
   880
    (eq as Const ("Pure.eq", _)) $ t $ u =>
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   881
      Thm (deriv_rule1 Proofterm.symmetric der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   882
       {cert = cert,
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   883
        tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   884
        maxidx = maxidx,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   885
        shyps = shyps,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   886
        hyps = hyps,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   887
        tpairs = tpairs,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   888
        prop = eq $ u $ t})
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   889
    | _ => raise THM ("symmetric", 0, [th]));
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   890
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   891
(*Transitivity
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   892
  t1 == u    u == t2
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   893
  ------------------
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   894
       t1 == t2
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   895
*)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   896
fun transitive th1 th2 =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   897
  let
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   898
    val Thm (der1, {maxidx = max1, hyps = hyps1, shyps = shyps1, tpairs = tpairs1,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   899
      prop = prop1, ...}) = th1
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   900
    and Thm (der2, {maxidx = max2, hyps = hyps2, shyps = shyps2, tpairs = tpairs2,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   901
      prop = prop2, ...}) = th2;
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   902
    fun err msg = raise THM ("transitive: " ^ msg, 0, [th1, th2]);
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   903
  in
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   904
    case (prop1, prop2) of
56245
84fc7dfa3cd4 more qualified names;
wenzelm
parents: 56052
diff changeset
   905
      ((eq as Const ("Pure.eq", Type (_, [T, _]))) $ t1 $ u, Const ("Pure.eq", _) $ u' $ t2) =>
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   906
        if not (u aconv u') then err "middle term"
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   907
        else
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   908
          Thm (deriv_rule2 (Proofterm.transitive u T) der1 der2,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   909
           {cert = join_certificate2 (th1, th2),
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   910
            tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   911
            maxidx = Int.max (max1, max2),
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   912
            shyps = Sorts.union shyps1 shyps2,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   913
            hyps = union_hyps hyps1 hyps2,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   914
            tpairs = union_tpairs tpairs1 tpairs2,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   915
            prop = eq $ t1 $ t2})
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   916
     | _ =>  err "premises"
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   917
  end;
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   918
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   919
(*Beta-conversion
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
   920
  (%x. t)(u) == t[u/x]
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   921
  fully beta-reduces the term if full = true
10416
5b33e732e459 - Moved rewriting functions to meta_simplifier.ML
berghofe
parents: 10348
diff changeset
   922
*)
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   923
fun beta_conversion full (Cterm {cert, t, T = _, maxidx, sorts}) =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   924
  let val t' =
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   925
    if full then Envir.beta_norm t
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   926
    else
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   927
      (case t of Abs (_, _, bodt) $ u => subst_bound (u, bodt)
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   928
      | _ => raise THM ("beta_conversion: not a redex", 0, []));
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   929
  in
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   930
    Thm (deriv_rule0 Proofterm.reflexive,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   931
     {cert = cert,
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   932
      tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   933
      maxidx = maxidx,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   934
      shyps = sorts,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   935
      hyps = [],
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   936
      tpairs = [],
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   937
      prop = Logic.mk_equals (t, t')})
10416
5b33e732e459 - Moved rewriting functions to meta_simplifier.ML
berghofe
parents: 10348
diff changeset
   938
  end;
5b33e732e459 - Moved rewriting functions to meta_simplifier.ML
berghofe
parents: 10348
diff changeset
   939
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   940
fun eta_conversion (Cterm {cert, t, T = _, maxidx, sorts}) =
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   941
  Thm (deriv_rule0 Proofterm.reflexive,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   942
   {cert = cert,
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   943
    tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   944
    maxidx = maxidx,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   945
    shyps = sorts,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   946
    hyps = [],
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   947
    tpairs = [],
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   948
    prop = Logic.mk_equals (t, Envir.eta_contract t)});
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   949
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   950
fun eta_long_conversion (Cterm {cert, t, T = _, maxidx, sorts}) =
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   951
  Thm (deriv_rule0 Proofterm.reflexive,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   952
   {cert = cert,
23493
a056eefb76e5 added eta_long_conversion;
wenzelm
parents: 23296
diff changeset
   953
    tags = [],
a056eefb76e5 added eta_long_conversion;
wenzelm
parents: 23296
diff changeset
   954
    maxidx = maxidx,
a056eefb76e5 added eta_long_conversion;
wenzelm
parents: 23296
diff changeset
   955
    shyps = sorts,
a056eefb76e5 added eta_long_conversion;
wenzelm
parents: 23296
diff changeset
   956
    hyps = [],
a056eefb76e5 added eta_long_conversion;
wenzelm
parents: 23296
diff changeset
   957
    tpairs = [],
52131
366fa32ee2a3 tuned signature;
wenzelm
parents: 51604
diff changeset
   958
    prop = Logic.mk_equals (t, Envir.eta_long [] t)});
23493
a056eefb76e5 added eta_long_conversion;
wenzelm
parents: 23296
diff changeset
   959
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   960
(*The abstraction rule.  The Free or Var x must not be free in the hypotheses.
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   961
  The bound variable will be named "a" (since x will be something like x320)
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   962
      t == u
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   963
  --------------
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   964
  %x. t == %x. u
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   965
*)
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   966
fun abstract_rule a
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   967
    (Cterm {t = x, T, sorts, ...})
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   968
    (th as Thm (der, {cert, maxidx, hyps, shyps, tpairs, prop, ...})) =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   969
  let
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   970
    val (t, u) = Logic.dest_equals prop
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   971
      handle TERM _ => raise THM ("abstract_rule: premise not an equality", 0, [th]);
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   972
    val result =
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
   973
      Thm (deriv_rule1 (Proofterm.abstract_rule x a) der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
   974
       {cert = cert,
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
   975
        tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   976
        maxidx = maxidx,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   977
        shyps = Sorts.union sorts shyps,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   978
        hyps = hyps,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   979
        tpairs = tpairs,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   980
        prop = Logic.mk_equals
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
   981
          (Abs (a, T, abstract_over (x, t)), Abs (a, T, abstract_over (x, u)))});
21798
a1399df6ecf3 tuned error messages;
wenzelm
parents: 21646
diff changeset
   982
    fun check_occs a x ts =
16847
8fc160b12e73 invoke_oracle: do not keep theory value, but theory_ref;
wenzelm
parents: 16725
diff changeset
   983
      if exists (fn t => Logic.occs (x, t)) ts then
21798
a1399df6ecf3 tuned error messages;
wenzelm
parents: 21646
diff changeset
   984
        raise THM ("abstract_rule: variable " ^ quote a ^ " free in assumptions", 0, [th])
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   985
      else ();
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   986
  in
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
   987
    (case x of
21798
a1399df6ecf3 tuned error messages;
wenzelm
parents: 21646
diff changeset
   988
      Free (a, _) => (check_occs a x hyps; check_occs a x (terms_of_tpairs tpairs); result)
a1399df6ecf3 tuned error messages;
wenzelm
parents: 21646
diff changeset
   989
    | Var ((a, _), _) => (check_occs a x (terms_of_tpairs tpairs); result)
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
   990
    | _ => raise THM ("abstract_rule: not a variable", 0, [th]))
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   991
  end;
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   992
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   993
(*The combination rule
3529
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
   994
  f == g  t == u
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
   995
  --------------
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   996
    f t == g u
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
   997
*)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   998
fun combination th1 th2 =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
   999
  let
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1000
    val Thm (der1, {maxidx = max1, shyps = shyps1, hyps = hyps1, tpairs = tpairs1,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1001
      prop = prop1, ...}) = th1
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1002
    and Thm (der2, {maxidx = max2, shyps = shyps2, hyps = hyps2, tpairs = tpairs2,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1003
      prop = prop2, ...}) = th2;
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1004
    fun chktypes fT tT =
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1005
      (case fT of
32784
1a5dde5079ac eliminated redundant bindings;
wenzelm
parents: 32726
diff changeset
  1006
        Type ("fun", [T1, _]) =>
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1007
          if T1 <> tT then
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1008
            raise THM ("combination: types", 0, [th1, th2])
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1009
          else ()
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1010
      | _ => raise THM ("combination: not function type", 0, [th1, th2]));
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1011
  in
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1012
    (case (prop1, prop2) of
56245
84fc7dfa3cd4 more qualified names;
wenzelm
parents: 56052
diff changeset
  1013
      (Const ("Pure.eq", Type ("fun", [fT, _])) $ f $ g,
84fc7dfa3cd4 more qualified names;
wenzelm
parents: 56052
diff changeset
  1014
       Const ("Pure.eq", Type ("fun", [tT, _])) $ t $ u) =>
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1015
        (chktypes fT tT;
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
  1016
          Thm (deriv_rule2 (Proofterm.combination f g t u fT) der1 der2,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1017
           {cert = join_certificate2 (th1, th2),
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
  1018
            tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1019
            maxidx = Int.max (max1, max2),
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1020
            shyps = Sorts.union shyps1 shyps2,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1021
            hyps = union_hyps hyps1 hyps2,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1022
            tpairs = union_tpairs tpairs1 tpairs2,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1023
            prop = Logic.mk_equals (f $ t, g $ u)}))
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1024
     | _ => raise THM ("combination: premises", 0, [th1, th2]))
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1025
  end;
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1026
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1027
(*Equality introduction
3529
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
  1028
  A ==> B  B ==> A
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
  1029
  ----------------
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
  1030
       A == B
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
  1031
*)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1032
fun equal_intr th1 th2 =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1033
  let
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1034
    val Thm (der1, {maxidx = max1, shyps = shyps1, hyps = hyps1, tpairs = tpairs1,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1035
      prop = prop1, ...}) = th1
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1036
    and Thm (der2, {maxidx = max2, shyps = shyps2, hyps = hyps2, tpairs = tpairs2,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1037
      prop = prop2, ...}) = th2;
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1038
    fun err msg = raise THM ("equal_intr: " ^ msg, 0, [th1, th2]);
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1039
  in
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1040
    (case (prop1, prop2) of
56245
84fc7dfa3cd4 more qualified names;
wenzelm
parents: 56052
diff changeset
  1041
      (Const("Pure.imp", _) $ A $ B, Const("Pure.imp", _) $ B' $ A') =>
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1042
        if A aconv A' andalso B aconv B' then
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
  1043
          Thm (deriv_rule2 (Proofterm.equal_intr A B) der1 der2,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1044
           {cert = join_certificate2 (th1, th2),
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
  1045
            tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1046
            maxidx = Int.max (max1, max2),
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1047
            shyps = Sorts.union shyps1 shyps2,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1048
            hyps = union_hyps hyps1 hyps2,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1049
            tpairs = union_tpairs tpairs1 tpairs2,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1050
            prop = Logic.mk_equals (A, B)})
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1051
        else err "not equal"
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1052
    | _ =>  err "premises")
1529
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1053
  end;
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1054
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1055
(*The equal propositions rule
3529
31186470665f tuned warning;
wenzelm
parents: 3410
diff changeset
  1056
  A == B  A
1529
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1057
  ---------
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1058
      B
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1059
*)
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1060
fun equal_elim th1 th2 =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1061
  let
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1062
    val Thm (der1, {maxidx = max1, shyps = shyps1, hyps = hyps1,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1063
      tpairs = tpairs1, prop = prop1, ...}) = th1
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1064
    and Thm (der2, {maxidx = max2, shyps = shyps2, hyps = hyps2,
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1065
      tpairs = tpairs2, prop = prop2, ...}) = th2;
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1066
    fun err msg = raise THM ("equal_elim: " ^ msg, 0, [th1, th2]);
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1067
  in
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1068
    (case prop1 of
56245
84fc7dfa3cd4 more qualified names;
wenzelm
parents: 56052
diff changeset
  1069
      Const ("Pure.eq", _) $ A $ B =>
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1070
        if prop2 aconv A then
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
  1071
          Thm (deriv_rule2 (Proofterm.equal_elim A B) der1 der2,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1072
           {cert = join_certificate2 (th1, th2),
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
  1073
            tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1074
            maxidx = Int.max (max1, max2),
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1075
            shyps = Sorts.union shyps1 shyps2,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1076
            hyps = union_hyps hyps1 hyps2,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1077
            tpairs = union_tpairs tpairs1 tpairs2,
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1078
            prop = B})
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1079
        else err "not equal"
52789
wenzelm
parents: 52788
diff changeset
  1080
     | _ =>  err "major premise")
1529
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1081
  end;
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1082
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
  1083
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
  1084
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1085
(**** Derived rules ****)
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1086
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1087
(*Smash unifies the list of term pairs leaving no flex-flex pairs.
24143
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
  1088
  Instantiates the theorem and deletes trivial tpairs.  Resulting
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
  1089
  sequence may contain multiple elements if the tpairs are not all
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
  1090
  flex-flex.*)
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1091
fun flexflex_rule opt_ctxt (th as Thm (der, {cert, maxidx, shyps, hyps, tpairs, prop, ...})) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1092
  Unify.smash_unifiers (make_context [th] opt_ctxt cert) tpairs (Envir.empty maxidx)
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1093
  |> Seq.map (fn env =>
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1094
      if Envir.is_empty env then th
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1095
      else
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1096
        let
59058
a78612c67ec0 renamed "pairself" to "apply2", in accordance to @{apply 2};
wenzelm
parents: 58950
diff changeset
  1097
          val tpairs' = tpairs |> map (apply2 (Envir.norm_term env))
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1098
            (*remove trivial tpairs, of the form t==t*)
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1099
            |> filter_out (op aconv);
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1100
          val der' = deriv_rule1 (Proofterm.norm_proof' env) der;
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1101
          val prop' = Envir.norm_term env prop;
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1102
          val maxidx = maxidx_tpairs tpairs' (maxidx_of_term prop');
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1103
          val shyps = Envir.insert_sorts env shyps;
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1104
        in
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1105
          Thm (der', {cert = cert, tags = [], maxidx = maxidx,
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1106
            shyps = shyps, hyps = hyps, tpairs = tpairs', prop = prop'})
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 52709
diff changeset
  1107
        end);
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1108
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1109
19910
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1110
(*Generalization of fixed variables
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1111
           A
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1112
  --------------------
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1113
  A[?'a/'a, ?x/x, ...]
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1114
*)
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1115
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1116
fun generalize ([], []) _ th = th
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1117
  | generalize (tfrees, frees) idx th =
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1118
      let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1119
        val Thm (der, {cert, maxidx, shyps, hyps, tpairs, prop, ...}) = th;
19910
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1120
        val _ = idx <= maxidx andalso raise THM ("generalize: bad index", idx, [th]);
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1121
33697
wenzelm
parents: 33522
diff changeset
  1122
        val bad_type =
wenzelm
parents: 33522
diff changeset
  1123
          if null tfrees then K false
wenzelm
parents: 33522
diff changeset
  1124
          else Term.exists_subtype (fn TFree (a, _) => member (op =) tfrees a | _ => false);
19910
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1125
        fun bad_term (Free (x, T)) = bad_type T orelse member (op =) frees x
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1126
          | bad_term (Var (_, T)) = bad_type T
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1127
          | bad_term (Const (_, T)) = bad_type T
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1128
          | bad_term (Abs (_, T, t)) = bad_type T orelse bad_term t
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1129
          | bad_term (t $ u) = bad_term t orelse bad_term u
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1130
          | bad_term (Bound _) = false;
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1131
        val _ = exists bad_term hyps andalso
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1132
          raise THM ("generalize: variable free in assumptions", 0, [th]);
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1133
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31947
diff changeset
  1134
        val gen = Term_Subst.generalize (tfrees, frees) idx;
19910
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1135
        val prop' = gen prop;
59058
a78612c67ec0 renamed "pairself" to "apply2", in accordance to @{apply 2};
wenzelm
parents: 58950
diff changeset
  1136
        val tpairs' = map (apply2 gen) tpairs;
19910
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1137
        val maxidx' = maxidx_tpairs tpairs' (maxidx_of_term prop');
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1138
      in
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
  1139
        Thm (deriv_rule1 (Proofterm.generalize (tfrees, frees) idx) der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1140
         {cert = cert,
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
  1141
          tags = [],
19910
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1142
          maxidx = maxidx',
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1143
          shyps = shyps,
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1144
          hyps = hyps,
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1145
          tpairs = tpairs',
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1146
          prop = prop'})
19910
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1147
      end;
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1148
2b4a222fef3c added generalize rule;
wenzelm
parents: 19881
diff changeset
  1149
22584
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
  1150
(*Instantiation of schematic variables
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1151
           A
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1152
  --------------------
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1153
  A[t1/v1, ..., tn/vn]
1220
3b0b8408fc5f MAJOR changes:
wenzelm
parents: 1195
diff changeset
  1154
*)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1155
6928
9b4cd97b459d improved error msgs of instantiate;
wenzelm
parents: 6899
diff changeset
  1156
local
9b4cd97b459d improved error msgs of instantiate;
wenzelm
parents: 6899
diff changeset
  1157
26939
1035c89b4c02 moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents: 26832
diff changeset
  1158
fun pretty_typing thy t T = Pretty.block
1035c89b4c02 moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents: 26832
diff changeset
  1159
  [Syntax.pretty_term_global thy t, Pretty.str " ::", Pretty.brk 1, Syntax.pretty_typ_global thy T];
15797
a63605582573 - Eliminated nodup_vars check.
berghofe
parents: 15672
diff changeset
  1160
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1161
fun add_inst (v as (_, T), cu) (cert, sorts) =
6928
9b4cd97b459d improved error msgs of instantiate;
wenzelm
parents: 6899
diff changeset
  1162
  let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1163
    val Cterm {t = u, T = U, cert = cert2, sorts = sorts_u, maxidx = maxidx_u, ...} = cu;
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1164
    val cert' = Context.join_certificate (cert, cert2);
16884
1678a796b6b2 tuned instantiate (avoid subst_atomic, subst_atomic_types);
wenzelm
parents: 16847
diff changeset
  1165
    val sorts' = Sorts.union sorts_u sorts;
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3895
diff changeset
  1166
  in
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1167
    if T = U then ((v, (u, maxidx_u)), (cert', sorts'))
60642
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
  1168
    else
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1169
      let
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1170
        val msg =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1171
          (case cert' of
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1172
            Context.Certificate thy' =>
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1173
              Pretty.string_of (Pretty.block
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1174
               [Pretty.str "instantiate: type conflict",
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1175
                Pretty.fbrk, pretty_typing thy' (Var v) T,
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1176
                Pretty.fbrk, pretty_typing thy' u U])
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1177
          | Context.Certificate_Id _ => "instantiate: type conflict");
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1178
      in raise TYPE (msg, [T, U], [Var v, u]) end
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1179
  end;
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1180
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1181
fun add_instT (v as (_, S), cU) (cert, sorts) =
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1182
  let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1183
    val Ctyp {T = U, cert = cert2, sorts = sorts_U, maxidx = maxidx_U, ...} = cU;
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1184
    val cert' = Context.join_certificate (cert, cert2);
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
  1185
    val thy' = Context.certificate_theory cert'
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
  1186
      handle ERROR msg => raise CONTEXT (msg, [cU], [], [], NONE);
16884
1678a796b6b2 tuned instantiate (avoid subst_atomic, subst_atomic_types);
wenzelm
parents: 16847
diff changeset
  1187
    val sorts' = Sorts.union sorts_U sorts;
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1188
  in
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1189
    if Sign.of_sort thy' (U, S) then ((v, (U, maxidx_U)), (cert', sorts'))
60642
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60638
diff changeset
  1190
    else raise TYPE ("Type not of sort " ^ Syntax.string_of_sort_global thy' S, [U], [])
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1191
  end;
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1192
6928
9b4cd97b459d improved error msgs of instantiate;
wenzelm
parents: 6899
diff changeset
  1193
in
9b4cd97b459d improved error msgs of instantiate;
wenzelm
parents: 6899
diff changeset
  1194
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1195
(*Left-to-right replacements: ctpairs = [..., (vi, ti), ...].
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1196
  Instantiates distinct Vars by terms of same type.
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1197
  Does NOT normalize the resulting theorem!*)
1529
09d9ad015269 Addition of proof objects
paulson
parents: 1517
diff changeset
  1198
fun instantiate ([], []) th = th
16884
1678a796b6b2 tuned instantiate (avoid subst_atomic, subst_atomic_types);
wenzelm
parents: 16847
diff changeset
  1199
  | instantiate (instT, inst) th =
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1200
      let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1201
        val Thm (der, {cert, hyps, shyps, tpairs, prop, ...}) = th;
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1202
        val (inst', (instT', (cert', shyps'))) =
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
  1203
          (cert, shyps) |> fold_map add_inst inst ||> fold_map add_instT instT
61053
wenzelm
parents: 61051
diff changeset
  1204
            handle CONTEXT (msg, cTs, cts, ths, context) =>
wenzelm
parents: 61051
diff changeset
  1205
              raise CONTEXT (msg, cTs, cts, th :: ths, context);
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31947
diff changeset
  1206
        val subst = Term_Subst.instantiate_maxidx (instT', inst');
20512
a041c2afb52e ctyp: maintain maxidx;
wenzelm
parents: 20348
diff changeset
  1207
        val (prop', maxidx1) = subst prop ~1;
a041c2afb52e ctyp: maintain maxidx;
wenzelm
parents: 20348
diff changeset
  1208
        val (tpairs', maxidx') =
a041c2afb52e ctyp: maintain maxidx;
wenzelm
parents: 20348
diff changeset
  1209
          fold_map (fn (t, u) => fn i => subst t i ||>> subst u) tpairs maxidx1;
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1210
      in
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
  1211
        Thm (deriv_rule1
37309
38ce84c83738 eliminated ML structure alias;
wenzelm
parents: 37297
diff changeset
  1212
          (fn d => Proofterm.instantiate (map (apsnd #1) instT', map (apsnd #1) inst') d) der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1213
         {cert = cert',
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
  1214
          tags = [],
20545
4c1068697159 instantiate: omit has_duplicates check, which is irrelevant for soundness;
wenzelm
parents: 20512
diff changeset
  1215
          maxidx = maxidx',
4c1068697159 instantiate: omit has_duplicates check, which is irrelevant for soundness;
wenzelm
parents: 20512
diff changeset
  1216
          shyps = shyps',
4c1068697159 instantiate: omit has_duplicates check, which is irrelevant for soundness;
wenzelm
parents: 20512
diff changeset
  1217
          hyps = hyps,
4c1068697159 instantiate: omit has_duplicates check, which is irrelevant for soundness;
wenzelm
parents: 20512
diff changeset
  1218
          tpairs = tpairs',
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1219
          prop = prop'})
16656
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1220
      end
18b0cb22057d ctyp: added 'sorts' field;
wenzelm
parents: 16601
diff changeset
  1221
      handle TYPE (msg, _, _) => raise THM (msg, 0, [th]);
6928
9b4cd97b459d improved error msgs of instantiate;
wenzelm
parents: 6899
diff changeset
  1222
22584
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
  1223
fun instantiate_cterm ([], []) ct = ct
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
  1224
  | instantiate_cterm (instT, inst) ct =
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
  1225
      let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1226
        val Cterm {cert, t, T, sorts, ...} = ct;
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1227
        val (inst', (instT', (cert', sorts'))) =
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1228
          (cert, sorts) |> fold_map add_inst inst ||> fold_map add_instT instT;
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31947
diff changeset
  1229
        val subst = Term_Subst.instantiate_maxidx (instT', inst');
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31947
diff changeset
  1230
        val substT = Term_Subst.instantiateT_maxidx instT';
22584
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
  1231
        val (t', maxidx1) = subst t ~1;
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
  1232
        val (T', maxidx') = substT T maxidx1;
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1233
      in Cterm {cert = cert', t = t', T = T', sorts = sorts', maxidx = maxidx'} end
22584
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
  1234
      handle TYPE (msg, _, _) => raise CTERM (msg, [ct]);
d0f0f37ec346 improved exception CTERM;
wenzelm
parents: 22573
diff changeset
  1235
6928
9b4cd97b459d improved error msgs of instantiate;
wenzelm
parents: 6899
diff changeset
  1236
end;
9b4cd97b459d improved error msgs of instantiate;
wenzelm
parents: 6899
diff changeset
  1237
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1238
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1239
(*The trivial implication A ==> A, justified by assume and forall rules.
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1240
  A can contain Vars, not so for assume!*)
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1241
fun trivial (Cterm {cert, t = A, T, maxidx, sorts}) =
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1242
  if T <> propT then
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1243
    raise THM ("trivial: the term must have type prop", 0, [])
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1244
  else
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
  1245
    Thm (deriv_rule0 (Proofterm.AbsP ("H", NONE, Proofterm.PBound 0)),
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1246
     {cert = cert,
21646
c07b5b0e8492 thm/prf: separate official name vs. additional tags;
wenzelm
parents: 21576
diff changeset
  1247
      tags = [],
16601
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1248
      maxidx = maxidx,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1249
      shyps = sorts,
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1250
      hyps = [],
ee8eefade568 more efficient treatment of shyps and hyps (use ordered lists);
wenzelm
parents: 16425
diff changeset
  1251
      tpairs = [],
28321
9f4499bf9384 type thm: fully internal derivation, no longer exported;
wenzelm
parents: 28290
diff changeset
  1252
      prop = Logic.mk_implies (A, A)});
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
  1253
31944
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1254
(*Axiom-scheme reflecting signature contents
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1255
        T :: c
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1256
  -------------------
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1257
  OFCLASS(T, c_class)
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1258
*)
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1259
fun of_class (cT, raw_c) =
24143
90a9a6fe0d01 replaced Theory.self_ref by Theory.check_thy, which now produces a checked ref;
wenzelm
parents: 23781
diff changeset
  1260
  let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1261
    val Ctyp {cert, T, ...} = cT;
61051
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
  1262
    val thy = Context.certificate_theory cert
310cf33d5481 clarified exceptions;
wenzelm
parents: 61050
diff changeset
  1263
      handle ERROR msg => raise CONTEXT (msg, [cT], [], [], NONE);
31903
c5221dbc40f6 added pro-forma proof constructor Inclass;
wenzelm
parents: 30717
diff changeset
  1264
    val c = Sign.certify_class thy raw_c;
59621
291934bac95e Thm.cterm_of and Thm.ctyp_of operate on local context;
wenzelm
parents: 59591
diff changeset
  1265
    val Cterm {t = prop, maxidx, sorts, ...} = global_cterm_of thy (Logic.mk_of_class (T, c));
399
86cc2b98f9e0 added class_triv: theory -> class -> thm (for axclasses);
wenzelm
parents: 387
diff changeset
  1266
  in
31944
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1267
    if Sign.of_sort thy (T, [c]) then
52487
48bc24467008 backout dedd7952a62c: static "proofs" value within theory prevents later inferencing with different configuration;
wenzelm
parents: 52470
diff changeset
  1268
      Thm (deriv_rule0 (Proofterm.OfClass (T, c)),
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1269
       {cert = cert,
31944
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1270
        tags = [],
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1271
        maxidx = maxidx,
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1272
        shyps = sorts,
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1273
        hyps = [],
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1274
        tpairs = [],
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1275
        prop = prop})
c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
wenzelm
parents: 31943
diff changeset
  1276
    else raise THM ("of_class: type not of class " ^ Syntax.string_of_sort_global thy [c], 0, [])
399
86cc2b98f9e0 added class_triv: theory -> class -> thm (for axclasses);
wenzelm
parents: 387
diff changeset
  1277
  end;
86cc2b98f9e0 added class_triv: theory -> class -> thm (for axclasses);
wenzelm
parents: 387
diff changeset
  1278
36614
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1279
(*Remove extra sorts that are witnessed by type signature information*)
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1280
fun strip_shyps (thm as Thm (_, {shyps = [], ...})) = thm
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1281
  | strip_shyps (thm as Thm (der, {cert, tags, maxidx, shyps, hyps, tpairs, prop})) =
36614
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1282
      let
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1283
        val thy = theory_of_thm thm;
36621
2fd4e2c76636 proof terms for strip_shyps, based on the version by krauss/schropp with some notable differences:
wenzelm
parents: 36619
diff changeset
  1284
        val algebra = Sign.classes_of thy;
2fd4e2c76636 proof terms for strip_shyps, based on the version by krauss/schropp with some notable differences:
wenzelm
parents: 36619
diff changeset
  1285
2fd4e2c76636 proof terms for strip_shyps, based on the version by krauss/schropp with some notable differences:
wenzelm
parents: 36619
diff changeset
  1286
        val present = (fold_terms o fold_types o fold_atyps_sorts) (insert (eq_fst op =)) thm [];
36614
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1287
        val extra = fold (Sorts.remove_sort o #2) present shyps;
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1288
        val witnessed = Sign.witness_sorts thy present extra;
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1289
        val extra' = fold (Sorts.remove_sort o #2) witnessed extra
36621
2fd4e2c76636 proof terms for strip_shyps, based on the version by krauss/schropp with some notable differences:
wenzelm
parents: 36619
diff changeset
  1290
          |> Sorts.minimal_sorts algebra;
36614
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1291
        val shyps' = fold (Sorts.insert_sort o #2) present extra';
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1292
      in
37309
38ce84c83738 eliminated ML structure alias;
wenzelm
parents: 37297
diff changeset
  1293
        Thm (deriv_rule_unconditional
38ce84c83738 eliminated ML structure alias;
wenzelm
parents: 37297
diff changeset
  1294
          (Proofterm.strip_shyps_proof algebra present witnessed extra') der,
61044
b7af255dd200 more abstract theory certificate, which is not necessarily the full theory;
wenzelm
parents: 61042
diff changeset
  1295
         {cert = cert, tags = tags, maxidx = maxidx,
36614
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1296
          shyps = shyps', hyps = hyps, tpairs = tpairs, prop = prop})
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1297
      end;
b6c031ad3690 minor tuning of Thm.strip_shyps -- no longer pervasive;
wenzelm
parents: 36613
diff changeset
  1298
36769
b6b88bf695b3 Thm.unconstrainT based on Logic.unconstrainT -- no proofterm yet;
wenzelm
parents: 36768
diff changeset
  1299
(*Internalize sort constraints of type variables*)
36883
4ed0d72def50 added Proofterm.unconstrain_thm_proof for Thm.unconstrainT -- loosely based on the version by krauss/schropp;
wenzelm
parents: 36882
diff changeset
  1300
fun unconstrainT (thm as Thm (der, args)) =
19505
0b345cf953c4 added unconstrainT;
w