src/HOL/Codatatype/Tools/bnf_util.ML
author traytel
Tue, 18 Sep 2012 09:15:53 +0200
changeset 50449 433dc7e028c8
parent 50440 f27f83f71e94
child 50478 83ac281bcdc2
permissions -rw-r--r--
separated registration of BNFs from bnf_def (BNFs are now stored only for bnf_def and (co)data commands)
     1 (*  Title:      HOL/Codatatype/Tools/bnf_util.ML
     2     Author:     Dmitriy Traytel, TU Muenchen
     3     Copyright   2012
     4 
     5 Library for bounded natural functors.
     6 *)
     7 
     8 signature BNF_UTIL =
     9 sig
    10   val map3: ('a -> 'b -> 'c -> 'd) -> 'a list -> 'b list -> 'c list -> 'd list
    11   val map4: ('a -> 'b -> 'c -> 'd -> 'e) -> 'a list -> 'b list -> 'c list -> 'd list -> 'e list
    12   val map5: ('a -> 'b -> 'c -> 'd -> 'e -> 'f) ->
    13     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list
    14   val map6: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g) ->
    15     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g list
    16   val map7: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g -> 'h) ->
    17     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g list -> 'h list
    18   val map8: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g -> 'h -> 'i) ->
    19     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g list -> 'h list -> 'i list
    20   val map9: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g -> 'h -> 'i -> 'j) ->
    21     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g list -> 'h list ->
    22     'i list -> 'j list
    23   val map10: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g -> 'h -> 'i -> 'j -> 'k) ->
    24     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g list -> 'h list ->
    25     'i list -> 'j list -> 'k list
    26   val map11: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g -> 'h -> 'i -> 'j -> 'k -> 'l) ->
    27     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g list -> 'h list ->
    28     'i list -> 'j list -> 'k list -> 'l list
    29   val map12: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g -> 'h -> 'i -> 'j -> 'k -> 'l -> 'm) ->
    30     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g list -> 'h list ->
    31     'i list -> 'j list -> 'k list -> 'l list -> 'm list
    32   val fold_map2: ('a -> 'b -> 'c -> 'd * 'c) -> 'a list -> 'b list -> 'c -> 'd list * 'c
    33   val fold_map3: ('a -> 'b -> 'c -> 'd -> 'e * 'd) ->
    34     'a list -> 'b list -> 'c list -> 'd -> 'e list * 'd
    35   val fold_map4: ('a -> 'b -> 'c -> 'd -> 'e -> 'f * 'e) ->
    36     'a list -> 'b list -> 'c list -> 'd list -> 'e -> 'f list * 'e
    37   val fold_map5: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g * 'f) ->
    38     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f -> 'g list * 'f
    39   val fold_map6: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g -> 'h * 'g) ->
    40     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g -> 'h list * 'g
    41   val fold_map7: ('a -> 'b -> 'c -> 'd -> 'e -> 'f -> 'g -> 'h -> 'i * 'h) ->
    42     'a list -> 'b list -> 'c list -> 'd list -> 'e list -> 'f list -> 'g list -> 'h -> 'i list * 'h
    43   val interleave: 'a list -> 'a list -> 'a list
    44   val transpose: 'a list list -> 'a list list
    45   val seq_conds: (bool -> 'a -> 'b) -> int -> int -> 'a list -> 'b list
    46 
    47   val mk_fresh_names: Proof.context -> int -> string -> string list * Proof.context
    48   val mk_TFrees: int -> Proof.context -> typ list * Proof.context
    49   val mk_TFreess: int list -> Proof.context -> typ list list * Proof.context
    50   val mk_TFrees': sort list -> Proof.context -> typ list * Proof.context
    51   val mk_Frees: string -> typ list -> Proof.context -> term list * Proof.context
    52   val mk_Freess: string -> typ list list -> Proof.context -> term list list * Proof.context
    53   val mk_Freesss: string -> typ list list list -> Proof.context ->
    54     term list list list * Proof.context
    55   val mk_Freessss: string -> typ list list list list -> Proof.context ->
    56     term list list list list * Proof.context
    57   val mk_Frees': string -> typ list -> Proof.context ->
    58     (term list * (string * typ) list) * Proof.context
    59   val mk_Freess': string -> typ list list -> Proof.context ->
    60     (term list list * (string * typ) list list) * Proof.context
    61   val nonzero_string_of_int: int -> string
    62 
    63   val strip_typeN: int -> typ -> typ list * typ
    64 
    65   val mk_optionT: typ -> typ
    66   val mk_relT: typ * typ -> typ
    67   val dest_relT: typ -> typ * typ
    68   val mk_sumT: typ * typ -> typ
    69 
    70   val ctwo: term
    71   val fst_const: typ -> term
    72   val snd_const: typ -> term
    73   val Id_const: typ -> term
    74 
    75   val mk_Ball: term -> term -> term
    76   val mk_Bex: term -> term -> term
    77   val mk_Card_order: term -> term
    78   val mk_Field: term -> term
    79   val mk_Gr: term -> term -> term
    80   val mk_IfN: typ -> term list -> term list -> term
    81   val mk_Trueprop_eq: term * term -> term
    82   val mk_UNION: term -> term -> term
    83   val mk_Union: typ -> term
    84   val mk_card_binop: string -> (typ * typ -> typ) -> term -> term -> term
    85   val mk_card_of: term -> term
    86   val mk_card_order: term -> term
    87   val mk_ccexp: term -> term -> term
    88   val mk_cexp: term -> term -> term
    89   val mk_cinfinite: term -> term
    90   val mk_collect: term list -> typ -> term
    91   val mk_converse: term -> term
    92   val mk_cprod: term -> term -> term
    93   val mk_csum: term -> term -> term
    94   val mk_dir_image: term -> term -> term
    95   val mk_image: term -> term
    96   val mk_in: term list -> term list -> typ -> term
    97   val mk_ordLeq: term -> term -> term
    98   val mk_rel_comp: term * term -> term
    99   val mk_subset: term -> term -> term
   100   val mk_wpull: term -> term -> term -> term -> term -> (term * term) option -> term -> term -> term
   101 
   102   val list_all_free: term list -> term -> term
   103   val list_exists_free: term list -> term -> term
   104 
   105   (*parameterized terms*)
   106   val mk_nthN: int -> term -> int -> term
   107 
   108   (*parameterized thms*)
   109   val mk_Un_upper: int -> int -> thm
   110   val mk_conjIN: int -> thm
   111   val mk_conjunctN: int -> int -> thm
   112   val conj_dests: int -> thm -> thm list
   113   val mk_disjIN: int -> int -> thm
   114   val mk_nthI: int -> int -> thm
   115   val mk_nth_conv: int -> int -> thm
   116   val mk_ordLeq_csum: int -> int -> thm -> thm
   117   val mk_UnIN: int -> int -> thm
   118 
   119   val ctrans: thm
   120   val o_apply: thm
   121   val mk_sym: thm -> thm
   122   val mk_trans: thm -> thm -> thm
   123   val mk_unabs_def: int -> thm -> thm
   124 
   125   val mk_permute: ''a list -> ''a list -> 'b list -> 'b list
   126   val find_indices: ''a list -> ''a list -> int list
   127 
   128   val certifyT: Proof.context -> typ -> ctyp
   129   val certify: Proof.context -> term -> cterm
   130 
   131   val parse_binding_colon: Token.T list -> binding * Token.T list
   132   val parse_opt_binding_colon: Token.T list -> binding * Token.T list
   133 
   134   val typedef: bool -> binding option -> binding * (string * sort) list * mixfix -> term ->
   135     (binding * binding) option -> tactic -> local_theory -> (string * Typedef.info) * local_theory
   136 
   137   val WRAP: ('a -> tactic) -> ('a -> tactic) -> 'a list -> tactic -> tactic
   138   val WRAP': ('a -> int -> tactic) -> ('a -> int -> tactic) -> 'a list -> (int -> tactic) -> int ->
   139     tactic
   140   val CONJ_WRAP_GEN: tactic -> ('a -> tactic) -> 'a list -> tactic
   141   val CONJ_WRAP_GEN': (int -> tactic) -> ('a -> int -> tactic) -> 'a list -> int -> tactic
   142   val CONJ_WRAP: ('a -> tactic) -> 'a list -> tactic
   143   val CONJ_WRAP': ('a -> int -> tactic) -> 'a list -> int -> tactic
   144 end;
   145 
   146 structure BNF_Util : BNF_UTIL =
   147 struct
   148 
   149 (* Library proper *)
   150 
   151 fun map3 _ [] [] [] = []
   152   | map3 f (x1::x1s) (x2::x2s) (x3::x3s) = f x1 x2 x3 :: map3 f x1s x2s x3s
   153   | map3 _ _ _ _ = raise ListPair.UnequalLengths;
   154 
   155 fun map4 _ [] [] [] [] = []
   156   | map4 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) = f x1 x2 x3 x4 :: map4 f x1s x2s x3s x4s
   157   | map4 _ _ _ _ _ = raise ListPair.UnequalLengths;
   158 
   159 fun map5 _ [] [] [] [] [] = []
   160   | map5 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s) =
   161     f x1 x2 x3 x4 x5 :: map5 f x1s x2s x3s x4s x5s
   162   | map5 _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   163 
   164 fun map6 _ [] [] [] [] [] [] = []
   165   | map6 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s) (x6::x6s) =
   166     f x1 x2 x3 x4 x5 x6 :: map6 f x1s x2s x3s x4s x5s x6s
   167   | map6 _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   168 
   169 fun map7 _ [] [] [] [] [] [] [] = []
   170   | map7 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s) (x6::x6s) (x7::x7s) =
   171     f x1 x2 x3 x4 x5 x6 x7 :: map7 f x1s x2s x3s x4s x5s x6s x7s
   172   | map7 _ _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   173 
   174 fun map8 _ [] [] [] [] [] [] [] [] = []
   175   | map8 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s) (x6::x6s) (x7::x7s) (x8::x8s) =
   176     f x1 x2 x3 x4 x5 x6 x7 x8 :: map8 f x1s x2s x3s x4s x5s x6s x7s x8s
   177   | map8 _ _ _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   178 
   179 fun map9 _ [] [] [] [] [] [] [] [] [] = []
   180   | map9 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s)
   181       (x6::x6s) (x7::x7s) (x8::x8s) (x9::x9s) =
   182     f x1 x2 x3 x4 x5 x6 x7 x8 x9 :: map9 f x1s x2s x3s x4s x5s x6s x7s x8s x9s
   183   | map9 _ _ _ _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   184 
   185 fun map10 _ [] [] [] [] [] [] [] [] [] [] = []
   186   | map10 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s)
   187       (x6::x6s) (x7::x7s) (x8::x8s) (x9::x9s) (x10::x10s) =
   188     f x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 :: map10 f x1s x2s x3s x4s x5s x6s x7s x8s x9s x10s
   189   | map10 _ _ _ _ _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   190 
   191 fun map11 _ [] [] [] [] [] [] [] [] [] [] [] = []
   192   | map11 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s)
   193       (x6::x6s) (x7::x7s) (x8::x8s) (x9::x9s) (x10::x10s) (x11::x11s) =
   194     f x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 :: map11 f x1s x2s x3s x4s x5s x6s x7s x8s x9s x10s x11s
   195   | map11 _ _ _ _ _ _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   196 
   197 fun map12 _ [] [] [] [] [] [] [] [] [] [] [] [] = []
   198   | map12 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s)
   199       (x6::x6s) (x7::x7s) (x8::x8s) (x9::x9s) (x10::x10s) (x11::x11s) (x12::x12s) =
   200     f x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 ::
   201       map12 f x1s x2s x3s x4s x5s x6s x7s x8s x9s x10s x11s x12s
   202   | map12 _ _ _ _ _ _ _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   203 
   204 fun fold_map2 _ [] [] acc = ([], acc)
   205   | fold_map2 f (x1::x1s) (x2::x2s) acc =
   206     let
   207       val (x, acc') = f x1 x2 acc;
   208       val (xs, acc'') = fold_map2 f x1s x2s acc';
   209     in (x :: xs, acc'') end
   210   | fold_map2 _ _ _ _ = raise ListPair.UnequalLengths;
   211 
   212 fun fold_map3 _ [] [] [] acc = ([], acc)
   213   | fold_map3 f (x1::x1s) (x2::x2s) (x3::x3s) acc =
   214     let
   215       val (x, acc') = f x1 x2 x3 acc;
   216       val (xs, acc'') = fold_map3 f x1s x2s x3s acc';
   217     in (x :: xs, acc'') end
   218   | fold_map3 _ _ _ _ _ = raise ListPair.UnequalLengths;
   219 
   220 fun fold_map4 _ [] [] [] [] acc = ([], acc)
   221   | fold_map4 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) acc =
   222     let
   223       val (x, acc') = f x1 x2 x3 x4 acc;
   224       val (xs, acc'') = fold_map4 f x1s x2s x3s x4s acc';
   225     in (x :: xs, acc'') end
   226   | fold_map4 _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   227 
   228 fun fold_map5 _ [] [] [] [] [] acc = ([], acc)
   229   | fold_map5 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s) acc =
   230     let
   231       val (x, acc') = f x1 x2 x3 x4 x5 acc;
   232       val (xs, acc'') = fold_map5 f x1s x2s x3s x4s x5s acc';
   233     in (x :: xs, acc'') end
   234   | fold_map5 _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   235 
   236 fun fold_map6 _ [] [] [] [] [] [] acc = ([], acc)
   237   | fold_map6 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s) (x6::x6s) acc =
   238     let
   239       val (x, acc') = f x1 x2 x3 x4 x5 x6 acc;
   240       val (xs, acc'') = fold_map6 f x1s x2s x3s x4s x5s x6s acc';
   241     in (x :: xs, acc'') end
   242   | fold_map6 _ _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   243 
   244 fun fold_map7 _ [] [] [] [] [] [] [] acc = ([], acc)
   245   | fold_map7 f (x1::x1s) (x2::x2s) (x3::x3s) (x4::x4s) (x5::x5s) (x6::x6s) (x7::x7s) acc =
   246     let
   247       val (x, acc') = f x1 x2 x3 x4 x5 x6 x7 acc;
   248       val (xs, acc'') = fold_map7 f x1s x2s x3s x4s x5s x6s x7s acc';
   249     in (x :: xs, acc'') end
   250   | fold_map7 _ _ _ _ _ _ _ _ _ = raise ListPair.UnequalLengths;
   251 
   252 (*stolen from ~~/src/HOL/Tools/SMT/smt_utils.ML*)
   253 fun certify ctxt = Thm.cterm_of (Proof_Context.theory_of ctxt);
   254 fun certifyT ctxt = Thm.ctyp_of (Proof_Context.theory_of ctxt);
   255 
   256 val parse_binding_colon = Parse.binding --| @{keyword ":"};
   257 val parse_opt_binding_colon = Scan.optional parse_binding_colon Binding.empty;
   258 
   259 (*TODO: is this really different from Typedef.add_typedef_global?*)
   260 fun typedef def opt_name typ set opt_morphs tac lthy =
   261   let
   262     val ((name, info), (lthy, lthy_old)) =
   263       lthy
   264       |> Typedef.add_typedef def opt_name typ set opt_morphs tac
   265       ||> `Local_Theory.restore;
   266     val phi = Proof_Context.export_morphism lthy_old lthy;
   267   in
   268     ((name, Typedef.transform_info phi info), lthy)
   269   end;
   270 
   271 (*Tactical WRAP surrounds a static given tactic (core) with two deterministic chains of tactics*)
   272 fun WRAP gen_before gen_after xs core_tac =
   273   fold_rev (fn x => fn tac => gen_before x THEN tac THEN gen_after x) xs core_tac;
   274 
   275 fun WRAP' gen_before gen_after xs core_tac =
   276   fold_rev (fn x => fn tac => gen_before x THEN' tac THEN' gen_after x) xs core_tac;
   277 
   278 fun CONJ_WRAP_GEN conj_tac gen_tac xs =
   279   let val (butlast, last) = split_last xs;
   280   in WRAP (fn thm => conj_tac THEN gen_tac thm) (K all_tac) butlast (gen_tac last) end;
   281 
   282 fun CONJ_WRAP_GEN' conj_tac gen_tac xs =
   283   let val (butlast, last) = split_last xs;
   284   in WRAP' (fn thm => conj_tac THEN' gen_tac thm) (K (K all_tac)) butlast (gen_tac last) end;
   285 
   286 (*not eta-converted because of monotype restriction*)
   287 fun CONJ_WRAP gen_tac = CONJ_WRAP_GEN (rtac conjI 1) gen_tac;
   288 fun CONJ_WRAP' gen_tac = CONJ_WRAP_GEN' (rtac conjI) gen_tac;
   289 
   290 
   291 
   292 (* Term construction *)
   293 
   294 (** Fresh variables **)
   295 
   296 fun nonzero_string_of_int 0 = ""
   297   | nonzero_string_of_int n = string_of_int n;
   298 
   299 val mk_TFrees' = apfst (map TFree) oo Variable.invent_types;
   300 
   301 fun mk_TFrees n = mk_TFrees' (replicate n HOLogic.typeS);
   302 val mk_TFreess = fold_map mk_TFrees;
   303 
   304 fun mk_names n x = if n = 1 then [x] else map (fn i => x ^ string_of_int i) (1 upto n);
   305 
   306 fun mk_fresh_names ctxt = (fn xs => Variable.variant_fixes xs ctxt) oo mk_names;
   307 fun mk_Frees x Ts ctxt = mk_fresh_names ctxt (length Ts) x |>> (fn xs => map2 (curry Free) xs Ts);
   308 fun mk_Freess x Tss = fold_map2 mk_Frees (mk_names (length Tss) x) Tss;
   309 fun mk_Freesss x Tsss = fold_map2 mk_Freess (mk_names (length Tsss) x) Tsss;
   310 fun mk_Freessss x Tssss = fold_map2 mk_Freesss (mk_names (length Tssss) x) Tssss;
   311 fun mk_Frees' x Ts ctxt = mk_fresh_names ctxt (length Ts) x |>> (fn xs => `(map Free) (xs ~~ Ts));
   312 fun mk_Freess' x Tss = fold_map2 mk_Frees' (mk_names (length Tss) x) Tss #>> split_list;
   313 
   314 
   315 (** Types **)
   316 
   317 fun strip_typeN 0 T = ([], T)
   318   | strip_typeN n (Type (@{type_name fun}, [T, T'])) = strip_typeN (n - 1) T' |>> cons T
   319   | strip_typeN n T = raise TYPE ("strip_typeN", [T], []);
   320 
   321 fun mk_optionT T = Type (@{type_name option}, [T]);
   322 val mk_relT = HOLogic.mk_setT o HOLogic.mk_prodT;
   323 val dest_relT = HOLogic.dest_prodT o HOLogic.dest_setT;
   324 fun mk_sumT (LT, RT) = Type (@{type_name Sum_Type.sum}, [LT, RT]);
   325 fun mk_partial_funT (ranT, domT) = domT --> mk_optionT ranT;
   326 
   327 
   328 (** Constants **)
   329 
   330 fun fst_const T = Const (@{const_name fst}, T --> fst (HOLogic.dest_prodT T));
   331 fun snd_const T = Const (@{const_name snd}, T --> snd (HOLogic.dest_prodT T));
   332 fun Id_const T = Const (@{const_name Id}, mk_relT (T, T));
   333 
   334 
   335 (** Operators **)
   336 
   337 val mk_Trueprop_eq = HOLogic.mk_Trueprop o HOLogic.mk_eq;
   338 
   339 fun mk_IfN _ _ [t] = t
   340   | mk_IfN T (c :: cs) (t :: ts) =
   341     Const (@{const_name If}, HOLogic.boolT --> T --> T --> T) $ c $ t $ mk_IfN T cs ts;
   342 
   343 fun mk_converse R =
   344   let
   345     val RT = dest_relT (fastype_of R);
   346     val RST = mk_relT (snd RT, fst RT);
   347   in Const (@{const_name converse}, fastype_of R --> RST) $ R end;
   348 
   349 fun mk_rel_comp (R, S) =
   350   let
   351     val RT = fastype_of R;
   352     val ST = fastype_of S;
   353     val RST = mk_relT (fst (dest_relT RT), snd (dest_relT ST));
   354   in Const (@{const_name relcomp}, RT --> ST --> RST) $ R $ S end;
   355 
   356 fun mk_Gr A f =
   357   let val ((AT, BT), FT) = `dest_funT (fastype_of f);
   358   in Const (@{const_name Gr}, HOLogic.mk_setT AT --> FT --> mk_relT (AT, BT)) $ A $ f end;
   359 
   360 fun mk_image f =
   361   let val (T, U) = dest_funT (fastype_of f);
   362   in Const (@{const_name image},
   363     (T --> U) --> (HOLogic.mk_setT T) --> (HOLogic.mk_setT U)) $ f end;
   364 
   365 fun mk_Ball X f =
   366   Const (@{const_name Ball}, fastype_of X --> fastype_of f --> HOLogic.boolT) $ X $ f;
   367 
   368 fun mk_Bex X f =
   369   Const (@{const_name Bex}, fastype_of X --> fastype_of f --> HOLogic.boolT) $ X $ f;
   370 
   371 fun mk_UNION X f =
   372   let val (T, U) = dest_funT (fastype_of f);
   373   in Const (@{const_name SUPR}, fastype_of X --> (T --> U) --> U) $ X $ f end;
   374 
   375 fun mk_Union T =
   376   Const (@{const_name Sup}, HOLogic.mk_setT (HOLogic.mk_setT T) --> HOLogic.mk_setT T);
   377 
   378 fun mk_Field r =
   379   let val T = fst (dest_relT (fastype_of r));
   380   in Const (@{const_name Field}, mk_relT (T, T) --> HOLogic.mk_setT T) $ r end;
   381 
   382 fun mk_card_order bd =
   383   let
   384     val T = fastype_of bd;
   385     val AT = fst (dest_relT T);
   386   in
   387     Const (@{const_name card_order_on}, HOLogic.mk_setT AT --> T --> HOLogic.boolT) $
   388       (HOLogic.mk_UNIV AT) $ bd
   389   end;
   390 
   391 fun mk_Card_order bd =
   392   let
   393     val T = fastype_of bd;
   394     val AT = fst (dest_relT T);
   395   in
   396     Const (@{const_name card_order_on}, HOLogic.mk_setT AT --> T --> HOLogic.boolT) $
   397       mk_Field bd $ bd
   398   end;
   399 
   400 fun mk_cinfinite bd =
   401   Const (@{const_name cinfinite}, fastype_of bd --> HOLogic.boolT) $ bd;
   402 
   403 fun mk_ordLeq t1 t2 =
   404   HOLogic.mk_mem (HOLogic.mk_prod (t1, t2),
   405     Const (@{const_name ordLeq}, mk_relT (fastype_of t1, fastype_of t2)));
   406 
   407 fun mk_card_of A =
   408   let
   409     val AT = fastype_of A;
   410     val T = HOLogic.dest_setT AT;
   411   in
   412     Const (@{const_name card_of}, AT --> mk_relT (T, T)) $ A
   413   end;
   414 
   415 fun mk_dir_image r f =
   416   let val (T, U) = dest_funT (fastype_of f);
   417   in Const (@{const_name dir_image}, mk_relT (T, T) --> (T --> U) --> mk_relT (U, U)) $ r $ f end;
   418 
   419 (*FIXME: "x"?*)
   420 (*(nth sets i) must be of type "T --> 'ai set"*)
   421 fun mk_in As sets T =
   422   let
   423     fun in_single set A =
   424       let val AT = fastype_of A;
   425       in Const (@{const_name less_eq},
   426         AT --> AT --> HOLogic.boolT) $ (set $ Free ("x", T)) $ A end;
   427   in
   428     if length sets > 0
   429     then HOLogic.mk_Collect ("x", T, foldr1 (HOLogic.mk_conj) (map2 in_single sets As))
   430     else HOLogic.mk_UNIV T
   431   end;
   432 
   433 fun mk_wpull A B1 B2 f1 f2 pseudo p1 p2 =
   434   let
   435     val AT = fastype_of A;
   436     val BT1 = fastype_of B1;
   437     val BT2 = fastype_of B2;
   438     val FT1 = fastype_of f1;
   439     val FT2 = fastype_of f2;
   440     val PT1 = fastype_of p1;
   441     val PT2 = fastype_of p2;
   442     val T1 = HOLogic.dest_setT BT1;
   443     val T2 = HOLogic.dest_setT BT2;
   444     val domP = domain_type PT1;
   445     val ranF = range_type FT1;
   446     val _ = if is_some pseudo orelse
   447                (HOLogic.dest_setT AT = domP andalso
   448                domain_type FT1 = T1 andalso
   449                domain_type FT2 = T2 andalso
   450                domain_type PT2 = domP andalso
   451                range_type PT1 = T1 andalso
   452                range_type PT2 = T2 andalso
   453                range_type FT2 = ranF)
   454       then () else raise TYPE ("mk_wpull", [BT1, BT2, FT1, FT2, PT1, PT2], []);
   455   in
   456     (case pseudo of
   457       NONE => Const (@{const_name wpull},
   458         AT --> BT1 --> BT2 --> FT1 --> FT2 --> PT1 --> PT2 --> HOLogic.boolT) $
   459         A $ B1 $ B2 $ f1 $ f2 $ p1 $ p2
   460     | SOME (e1, e2) => Const (@{const_name wppull},
   461         AT --> BT1 --> BT2 --> FT1 --> FT2 --> fastype_of e1 --> fastype_of e2 -->
   462           PT1 --> PT2 --> HOLogic.boolT) $
   463         A $ B1 $ B2 $ f1 $ f2 $ e1 $ e2 $ p1 $ p2)
   464   end;
   465 
   466 fun mk_subset t1 t2 =
   467   Const (@{const_name less_eq}, (fastype_of t1) --> (fastype_of t2) --> HOLogic.boolT) $ t1 $ t2;
   468 
   469 fun mk_card_binop binop typop t1 t2 =
   470   let
   471     val (T1, relT1) = `(fst o dest_relT) (fastype_of t1);
   472     val (T2, relT2) = `(fst o dest_relT) (fastype_of t2);
   473   in
   474     Const (binop, relT1 --> relT2 --> mk_relT (typop (T1, T2), typop (T1, T2))) $ t1 $ t2
   475   end;
   476 
   477 val mk_csum = mk_card_binop @{const_name csum} mk_sumT;
   478 val mk_cprod = mk_card_binop @{const_name cprod} HOLogic.mk_prodT;
   479 val mk_cexp = mk_card_binop @{const_name cexp} mk_partial_funT;
   480 val mk_ccexp = mk_card_binop @{const_name ccexp} mk_partial_funT;
   481 val ctwo = @{term ctwo};
   482 
   483 fun mk_collect xs defT =
   484   let val T = (case xs of [] => defT | (x::_) => fastype_of x);
   485   in Const (@{const_name collect}, HOLogic.mk_setT T --> T) $ (HOLogic.mk_set T xs) end;
   486 
   487 fun mk_permute src dest xs = map (nth xs o (fn x => find_index ((curry op =) x) src)) dest;
   488 
   489 val list_all_free =
   490   fold_rev (fn free => fn P =>
   491     let val (x, T) = Term.dest_Free free;
   492     in HOLogic.all_const T $ Term.absfree (x, T) P end);
   493 
   494 val list_exists_free =
   495   fold_rev (fn free => fn P =>
   496     let val (x, T) = Term.dest_Free free;
   497     in HOLogic.exists_const T $ Term.absfree (x, T) P end);
   498 
   499 fun find_indices xs ys = map_filter I
   500   (map_index (fn (i, y) => if member (op =) xs y then SOME i else NONE) ys);
   501 
   502 fun mk_trans thm1 thm2 = trans OF [thm1, thm2];
   503 fun mk_sym thm = sym OF [thm];
   504 
   505 (*TODO: antiquote heavily used theorems once*)
   506 val ctrans = @{thm ordLeq_transitive};
   507 val o_apply = @{thm o_apply};
   508 
   509 fun mk_nthN 1 t 1 = t
   510   | mk_nthN _ t 1 = HOLogic.mk_fst t
   511   | mk_nthN 2 t 2 = HOLogic.mk_snd t
   512   | mk_nthN n t m = mk_nthN (n - 1) (HOLogic.mk_snd t) (m - 1);
   513 
   514 fun mk_nth_conv n m =
   515   let
   516     fun thm b = if b then @{thm fst_snd} else @{thm snd_snd}
   517     fun mk_nth_conv _ 1 1 = refl
   518       | mk_nth_conv _ _ 1 = @{thm fst_conv}
   519       | mk_nth_conv _ 2 2 = @{thm snd_conv}
   520       | mk_nth_conv b _ 2 = @{thm snd_conv} RS thm b
   521       | mk_nth_conv b n m = mk_nth_conv false (n - 1) (m - 1) RS thm b;
   522   in mk_nth_conv (not (m = n)) n m end;
   523 
   524 fun mk_nthI 1 1 = @{thm TrueE[OF TrueI]}
   525   | mk_nthI n m = fold (curry op RS) (replicate (m - 1) @{thm sndI})
   526     (if m = n then @{thm TrueE[OF TrueI]} else @{thm fstI});
   527 
   528 fun mk_conjunctN 1 1 = @{thm TrueE[OF TrueI]}
   529   | mk_conjunctN _ 1 = conjunct1
   530   | mk_conjunctN 2 2 = conjunct2
   531   | mk_conjunctN n m = conjunct2 RS (mk_conjunctN (n - 1) (m - 1));
   532 
   533 fun conj_dests n thm = map (fn k => thm RS mk_conjunctN n k) (1 upto n);
   534 
   535 fun mk_conjIN 1 = @{thm TrueE[OF TrueI]}
   536   | mk_conjIN n = mk_conjIN (n - 1) RSN (2, conjI);
   537 
   538 fun mk_disjIN 1 1 = @{thm TrueE[OF TrueI]}
   539   | mk_disjIN _ 1 = disjI1
   540   | mk_disjIN 2 2 = disjI2
   541   | mk_disjIN n m = (mk_disjIN (n - 1) (m - 1)) RS disjI2;
   542 
   543 fun mk_ordLeq_csum 1 1 thm = thm
   544   | mk_ordLeq_csum _ 1 thm = @{thm ordLeq_transitive} OF [thm, @{thm ordLeq_csum1}]
   545   | mk_ordLeq_csum 2 2 thm = @{thm ordLeq_transitive} OF [thm, @{thm ordLeq_csum2}]
   546   | mk_ordLeq_csum n m thm = @{thm ordLeq_transitive} OF
   547     [mk_ordLeq_csum (n - 1) (m - 1) thm, @{thm ordLeq_csum2[OF Card_order_csum]}];
   548 
   549 local
   550   fun mk_Un_upper' 0 = subset_refl
   551     | mk_Un_upper' 1 = @{thm Un_upper1}
   552     | mk_Un_upper' k = Library.foldr (op RS o swap)
   553       (replicate (k - 1) @{thm subset_trans[OF Un_upper1]}, @{thm Un_upper1});
   554 in
   555   fun mk_Un_upper 1 1 = subset_refl
   556     | mk_Un_upper n 1 = mk_Un_upper' (n - 2) RS @{thm subset_trans[OF Un_upper1]}
   557     | mk_Un_upper n m = mk_Un_upper' (n - m) RS @{thm subset_trans[OF Un_upper2]};
   558 end;
   559 
   560 local
   561   fun mk_UnIN' 0 = @{thm UnI2}
   562     | mk_UnIN' m = mk_UnIN' (m - 1) RS @{thm UnI1};
   563 in
   564   fun mk_UnIN 1 1 = @{thm TrueE[OF TrueI]}
   565     | mk_UnIN n 1 = Library.foldr1 (op RS o swap) (replicate (n - 1) @{thm UnI1})
   566     | mk_UnIN n m = mk_UnIN' (n - m)
   567 end;
   568 
   569 fun interleave xs ys = flat (map2 (fn x => fn y => [x, y]) xs ys);
   570 
   571 fun transpose [] = []
   572   | transpose ([] :: xss) = transpose xss
   573   | transpose xss = map hd xss :: transpose (map tl xss);
   574 
   575 fun seq_conds f n k xs =
   576   if k = n then
   577     map (f false) (take (k - 1) xs)
   578   else
   579     let val (negs, pos) = split_last (take k xs) in
   580       map (f false) negs @ [f true pos]
   581     end;
   582 
   583 fun mk_unabs_def 0 thm = thm
   584   | mk_unabs_def n thm = mk_unabs_def (n - 1) thm RS @{thm spec[OF iffD1[OF fun_eq_iff]]};
   585 
   586 end;