author | wenzelm |
Sun, 28 Dec 1997 14:56:44 +0100 | |
changeset 4487 | 9b4c1db5aca1 |
parent 4258 | f2ca5a87f0a7 |
child 4498 | a088ec3e4f5e |
permissions | -rw-r--r-- |
3987 | 1 |
(* Title: Pure/pure_thy.ML |
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ID: $Id$ |
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Author: Markus Wenzel, TU Muenchen |
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Init 'theorems' data. The Pure theories. |
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*) |
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signature BASIC_PURE_THY = |
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sig |
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val get_thm: theory -> xstring -> thm |
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val get_thms: theory -> xstring -> thm list |
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val thms_of: theory -> (string * thm) list |
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end |
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signature PURE_THY = |
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sig |
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include BASIC_PURE_THY |
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val thms_containing: theory -> string list -> (string * thm) list |
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val store_thms: (bstring * thm) list -> theory -> theory |
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val store_thmss: (bstring * thm list) list -> theory -> theory |
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val smart_store_thm: (bstring * thm) -> thm |
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val add_store_axioms: (bstring * string) list -> theory -> theory |
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val add_store_axioms_i: (bstring * term) list -> theory -> theory |
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val add_store_defs: (bstring * string) list -> theory -> theory |
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val add_store_defs_i: (bstring * term) list -> theory -> theory |
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val proto_pure: theory |
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val pure: theory |
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val cpure: theory |
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end; |
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structure PureThy: PURE_THY = |
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struct |
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(*** init theorems data ***) |
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(** data kind theorems **) |
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val theoremsK = "theorems"; |
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exception Theorems of |
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{space: NameSpace.T, |
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thms_tab: thm list Symtab.table, |
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const_idx: int * (int * thm) list Symtab.table} ref; |
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(* methods *) |
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local |
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fun mk_empty _ = |
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Theorems (ref {space = NameSpace.empty, |
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thms_tab = Symtab.empty, const_idx = (0, Symtab.empty)}); |
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fun print sg (Theorems (ref {space, thms_tab, const_idx = _})) = |
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let |
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val prt_thm = Pretty.quote o Display.pretty_thm o Thm.transfer_sg sg; |
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fun prt_thms (name, [th]) = |
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Pretty.block [Pretty.str (name ^ ":"), Pretty.brk 1, prt_thm th] |
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| prt_thms (name, ths) = Pretty.big_list (name ^ ":") (map prt_thm ths); |
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fun extrn name = |
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if ! long_names then name else NameSpace.extern space name; |
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val thmss = sort_wrt fst (map (apfst extrn) (Symtab.dest thms_tab)); |
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in |
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Pretty.writeln (Pretty.strs ("theorem name space:" :: map quote (NameSpace.dest space))); |
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Pretty.writeln (Pretty.big_list "theorems:" (map prt_thms thmss)) |
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end; |
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in |
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val theorems_data: string * (object * (object -> object) * |
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(object * object -> object) * (Sign.sg -> object -> unit)) = |
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(theoremsK, (mk_empty (), mk_empty, mk_empty, print)); |
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end; |
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(* get data record *) |
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fun get_theorems_sg sg = |
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(case Sign.get_data sg theoremsK of |
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Theorems r => r |
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| _ => sys_error "get_theorems_sg"); |
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val get_theorems = get_theorems_sg o sign_of; |
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(** retrieve theorems **) |
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fun local_thms thy name = |
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let |
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val ref {space, thms_tab, ...} = get_theorems thy; |
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val full_name = NameSpace.intern space name; |
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in Symtab.lookup (thms_tab, full_name) end; |
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fun all_local_thms [] _ = None |
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| all_local_thms (thy :: thys) name = |
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(case local_thms thy name of |
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None => all_local_thms thys name |
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| some => some); |
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(* get_thm(s) *) |
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fun get_thms thy name = |
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(case all_local_thms (thy :: Theory.ancestors_of thy) name of |
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None => raise THEORY ("Theorems " ^ quote name ^ " not stored in theory", [thy]) |
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| Some thms => thms); |
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fun get_thm thy name = |
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(case get_thms thy name of |
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[thm] => thm |
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| _ => raise THEORY ("Singleton list of theorems expected " ^ quote name, [thy])); |
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(* thms_of *) |
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fun attach_name thm = (Thm.name_of_thm thm, thm); |
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fun thms_of thy = |
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let val ref {thms_tab, ...} = get_theorems thy in |
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map attach_name (flat (map snd (Symtab.dest thms_tab))) |
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end; |
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(** theorems indexed by constants **) |
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(* make index *) |
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val ignore = ["Trueprop", "all", "==>", "=="]; |
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fun add_const_idx ((next, table), thm) = |
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let |
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val {hyps, prop, ...} = Thm.rep_thm thm; |
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val consts = |
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foldr add_term_consts (hyps, add_term_consts (prop, [])) \\ ignore; |
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fun add (tab, c) = |
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Symtab.update ((c, (next, thm) :: Symtab.lookup_multi (tab, c)), tab); |
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in (next + 1, foldl add (table, consts)) end; |
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fun make_const_idx thm_tab = |
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foldl (foldl add_const_idx) ((0, Symtab.empty), map snd (Symtab.dest thm_tab)); |
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(* lookup index *) |
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(*search locally*) |
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fun containing [] thy = thms_of thy |
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| containing consts thy = |
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let |
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fun int ([], _) = [] |
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| int (_, []) = [] |
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| int (xxs as ((x as (i:int, _)) :: xs), yys as ((y as (j, _)) :: ys)) = |
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if i = j then x :: int (xs, ys) |
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else if i > j then int (xs, yys) |
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else int (xxs, ys); |
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fun ints [xs] = xs |
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| ints xss = if exists null xss then [] else foldl int (hd xss, tl xss); |
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val ref {const_idx = (_, ctab), ...} = get_theorems thy; |
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val ithmss = map (fn c => Symtab.lookup_multi (ctab, c)) consts; |
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167 |
in |
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map (attach_name o snd) (ints ithmss) |
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end; |
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(*search globally*) |
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fun thms_containing thy consts = |
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flat (map (containing (consts \\ ignore)) (thy :: Theory.ancestors_of thy)); |
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(** store theorems **) (*DESTRUCTIVE*) |
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fun warn_overwrite name = |
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warning ("Replaced old copy of theorems " ^ quote name); |
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181 |
||
182 |
fun warn_same name = |
|
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warning ("Theorem database already contains a copy of " ^ quote name); |
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184 |
||
185 |
fun enter_thms sg single (raw_name, thms) = |
|
186 |
let |
|
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val len = length thms; |
|
188 |
val name = Sign.full_name sg raw_name; |
|
189 |
val names = |
|
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if single then replicate len name |
|
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else map (fn i => name ^ "_" ^ string_of_int i) (0 upto (len - 1)); |
|
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val named_thms = ListPair.map Thm.name_thm (names, thms); |
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193 |
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val eq_thms = ListPair.all Thm.eq_thm; |
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195 |
|
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val r as ref {space, thms_tab, const_idx} = get_theorems_sg sg; |
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197 |
|
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val overwrite = |
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(case Symtab.lookup (thms_tab, name) of |
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None => false |
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201 |
| Some thms' => |
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if length thms' = len andalso eq_thms (thms', named_thms) then |
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(warn_same name; false) |
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else (warn_overwrite name; true)); |
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205 |
|
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val space' = NameSpace.extend (space, [name]); |
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val thms_tab' = Symtab.update ((name, named_thms), thms_tab); |
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val const_idx' = |
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if overwrite then make_const_idx thms_tab' |
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else foldl add_const_idx (const_idx, named_thms); |
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in |
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r := {space = space', thms_tab = thms_tab', const_idx = const_idx'}; |
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named_thms |
214 |
end; |
|
215 |
||
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fun do_enter_thms sg single thms = (enter_thms sg single thms; ()); |
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|
218 |
||
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fun store_thmss thmss thy = |
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(seq (do_enter_thms (sign_of thy) false) thmss; thy); |
221 |
||
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fun store_thms thms thy = |
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(seq (do_enter_thms (sign_of thy) true) (map (apsnd (fn th => [th])) thms); thy); |
224 |
||
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fun smart_store_thm (name, thm) = |
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let val [named_thm] = enter_thms (Thm.sign_of_thm thm) true (name, [thm]) |
227 |
in named_thm end; |
|
228 |
||
229 |
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(* store axioms as theorems *) |
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231 |
|
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232 |
fun add_store add named_axs thy = |
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233 |
let |
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234 |
val thy' = add named_axs thy; |
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val named_thms = map (fn (name, _) => (name, get_axiom thy' name)) named_axs; |
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236 |
in store_thms named_thms thy' end; |
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237 |
|
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238 |
val add_store_axioms = add_store Theory.add_axioms; |
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|
239 |
val add_store_axioms_i = add_store Theory.add_axioms_i; |
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240 |
val add_store_defs = add_store Theory.add_defs; |
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|
241 |
val add_store_defs_i = add_store Theory.add_defs_i; |
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|
242 |
|
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|
243 |
|
3987 | 244 |
|
245 |
(** the Pure theories **) |
|
246 |
||
247 |
val proto_pure = |
|
248 |
Theory.pre_pure |
|
4049 | 249 |
|> Theory.init_data [theorems_data] |
3987 | 250 |
|> Theory.add_types |
251 |
(("fun", 2, NoSyn) :: |
|
252 |
("prop", 0, NoSyn) :: |
|
253 |
("itself", 1, NoSyn) :: |
|
254 |
Syntax.pure_types) |
|
255 |
|> Theory.add_classes_i [(logicC, [])] |
|
256 |
|> Theory.add_defsort_i logicS |
|
257 |
|> Theory.add_arities_i |
|
258 |
[("fun", [logicS, logicS], logicS), |
|
259 |
("prop", [], logicS), |
|
260 |
("itself", [logicS], logicS)] |
|
261 |
|> Theory.add_syntax Syntax.pure_syntax |
|
262 |
|> Theory.add_modesyntax ("symbols", true) Syntax.pure_sym_syntax |
|
263 |
|> Theory.add_trfuns Syntax.pure_trfuns |
|
264 |
|> Theory.add_trfunsT Syntax.pure_trfunsT |
|
265 |
|> Theory.add_syntax |
|
266 |
[("==>", "[prop, prop] => prop", Delimfix "op ==>")] |
|
267 |
|> Theory.add_consts |
|
268 |
[("==", "['a::{}, 'a] => prop", InfixrName ("==", 2)), |
|
269 |
("=?=", "['a::{}, 'a] => prop", InfixrName ("=?=", 2)), |
|
270 |
("==>", "[prop, prop] => prop", Mixfix ("(_/ ==> _)", [2, 1], 1)), |
|
271 |
("all", "('a => prop) => prop", Binder ("!!", 0, 0)), |
|
272 |
("TYPE", "'a itself", NoSyn)] |
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273 |
|> Theory.add_path "ProtoPure" |
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274 |
|> add_store_defs [("flexpair_def", "(t =?= u) == (t == u::'a::{})")] |
3987 | 275 |
|> Theory.add_name "ProtoPure"; |
276 |
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277 |
val pure = |
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|
278 |
Theory.prep_ext_merge [proto_pure] |
3987 | 279 |
|> Theory.add_syntax Syntax.pure_appl_syntax |
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280 |
|> Theory.add_path "Pure" |
3987 | 281 |
|> Theory.add_name "Pure"; |
282 |
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|
283 |
val cpure = |
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284 |
Theory.prep_ext_merge [proto_pure] |
3987 | 285 |
|> Theory.add_syntax Syntax.pure_applC_syntax |
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|
286 |
|> Theory.add_path "CPure" |
3987 | 287 |
|> Theory.add_name "CPure"; |
288 |
||
289 |
||
290 |
end; |
|
291 |
||
292 |
||
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293 |
structure BasicPureThy: BASIC_PURE_THY = PureThy; |
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|
294 |
open BasicPureThy; |
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295 |
|
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|
296 |
|
3987 | 297 |
|
298 |
(** theory structures **) |
|
299 |
||
300 |
structure ProtoPure = |
|
301 |
struct |
|
302 |
val thy = PureThy.proto_pure; |
|
303 |
val flexpair_def = get_axiom thy "flexpair_def"; |
|
304 |
end; |
|
305 |
||
306 |
structure Pure = struct val thy = PureThy.pure end; |
|
307 |
structure CPure = struct val thy = PureThy.cpure end; |