wenzelm@18620
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(* Title: Pure/Isar/specification.ML
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wenzelm@18620
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Author: Makarius
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wenzelm@18620
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wenzelm@21036
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Derived local theory specifications --- with type-inference and
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wenzelm@18810
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toplevel polymorphism.
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wenzelm@18620
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*)
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wenzelm@18620
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wenzelm@18620
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signature SPECIFICATION =
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wenzelm@18620
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sig
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wenzelm@20890
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val print_consts: local_theory -> (string * typ -> bool) -> (string * typ) list -> unit
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wenzelm@30484
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val check_spec:
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wenzelm@30484
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(binding * typ option * mixfix) list -> (Attrib.binding * term) list -> Proof.context ->
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wenzelm@30484
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(((binding * typ) * mixfix) list * (Attrib.binding * term) list) * Proof.context
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wenzelm@30484
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val read_spec:
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wenzelm@30484
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(binding * string option * mixfix) list -> (Attrib.binding * string) list -> Proof.context ->
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wenzelm@30484
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(((binding * typ) * mixfix) list * (Attrib.binding * term) list) * Proof.context
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wenzelm@30484
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val check_free_spec:
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wenzelm@30484
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(binding * typ option * mixfix) list -> (Attrib.binding * term) list -> Proof.context ->
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wenzelm@30484
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(((binding * typ) * mixfix) list * (Attrib.binding * term) list) * Proof.context
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wenzelm@30484
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val read_free_spec:
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wenzelm@30484
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(binding * string option * mixfix) list -> (Attrib.binding * string) list -> Proof.context ->
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wenzelm@30484
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(((binding * typ) * mixfix) list * (Attrib.binding * term) list) * Proof.context
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haftmann@29581
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val check_specification: (binding * typ option * mixfix) list ->
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wenzelm@30484
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(Attrib.binding * term list) list -> Proof.context ->
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haftmann@29581
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(((binding * typ) * mixfix) list * (Attrib.binding * term list) list) * Proof.context
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haftmann@29581
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val read_specification: (binding * string option * mixfix) list ->
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wenzelm@28084
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(Attrib.binding * string list) list -> Proof.context ->
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haftmann@29581
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(((binding * typ) * mixfix) list * (Attrib.binding * term list) list) * Proof.context
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haftmann@29581
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val axiomatization: (binding * typ option * mixfix) list ->
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wenzelm@28114
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(Attrib.binding * term list) list -> theory ->
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wenzelm@33703
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(term list * thm list list) * theory
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haftmann@29581
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val axiomatization_cmd: (binding * string option * mixfix) list ->
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wenzelm@28114
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(Attrib.binding * string list) list -> theory ->
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wenzelm@33703
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(term list * thm list list) * theory
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wenzelm@18954
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val definition:
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haftmann@29581
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(binding * typ option * mixfix) option * (Attrib.binding * term) ->
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wenzelm@28080
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local_theory -> (term * (string * thm)) * local_theory
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wenzelm@24927
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val definition_cmd:
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haftmann@29581
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(binding * string option * mixfix) option * (Attrib.binding * string) ->
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wenzelm@28080
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local_theory -> (term * (string * thm)) * local_theory
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haftmann@29581
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val abbreviation: Syntax.mode -> (binding * typ option * mixfix) option * term ->
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wenzelm@21532
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local_theory -> local_theory
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haftmann@29581
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val abbreviation_cmd: Syntax.mode -> (binding * string option * mixfix) option * string ->
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wenzelm@21532
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local_theory -> local_theory
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wenzelm@35418
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val type_notation: bool -> Syntax.mode -> (typ * mixfix) list -> local_theory -> local_theory
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wenzelm@35418
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val type_notation_cmd: bool -> Syntax.mode -> (string * mixfix) list -> local_theory -> local_theory
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wenzelm@24949
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val notation: bool -> Syntax.mode -> (term * mixfix) list -> local_theory -> local_theory
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wenzelm@24949
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val notation_cmd: bool -> Syntax.mode -> (string * mixfix) list -> local_theory -> local_theory
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wenzelm@28080
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val theorems: string ->
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wenzelm@28084
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(Attrib.binding * (thm list * Attrib.src list) list) list ->
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wenzelm@28080
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local_theory -> (string * thm list) list * local_theory
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wenzelm@26336
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val theorems_cmd: string ->
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wenzelm@28084
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(Attrib.binding * (Facts.ref * Attrib.src list) list) list ->
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wenzelm@28080
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local_theory -> (string * thm list) list * local_theory
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wenzelm@24986
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val theorem: string -> Method.text option ->
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wenzelm@28084
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(thm list list -> local_theory -> local_theory) -> Attrib.binding ->
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ballarin@28710
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Element.context_i list -> Element.statement_i ->
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wenzelm@24927
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bool -> local_theory -> Proof.state
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wenzelm@24986
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val theorem_cmd: string -> Method.text option ->
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wenzelm@28084
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(thm list list -> local_theory -> local_theory) -> Attrib.binding ->
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ballarin@28710
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Element.context list -> Element.statement ->
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berghofe@24452
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bool -> local_theory -> Proof.state
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berghofe@24452
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val add_theorem_hook: (bool -> Proof.state -> Proof.state) -> Context.generic -> Context.generic
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wenzelm@18620
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end;
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wenzelm@18620
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wenzelm@18620
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structure Specification: SPECIFICATION =
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wenzelm@18620
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struct
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wenzelm@18620
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wenzelm@20890
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(* diagnostics *)
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wenzelm@20890
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wenzelm@20890
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fun print_consts _ _ [] = ()
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wenzelm@33389
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| print_consts ctxt pred cs = Pretty.writeln (Proof_Display.pretty_consts ctxt pred cs);
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wenzelm@20914
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wenzelm@19664
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wenzelm@18620
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(* prepare specification *)
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wenzelm@18620
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wenzelm@24724
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local
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wenzelm@24724
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wenzelm@24724
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fun close_forms ctxt i xs As =
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wenzelm@24724
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let
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wenzelm@24724
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fun add_free (Free (x, _)) = if Variable.is_fixed ctxt x then I else insert (op =) x
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wenzelm@24724
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| add_free _ = I;
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wenzelm@24724
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wenzelm@24724
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val commons = map #1 xs;
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wenzelm@24724
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val _ =
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wenzelm@24724
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(case duplicates (op =) commons of [] => ()
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wenzelm@24724
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| dups => error ("Duplicate local variables " ^ commas_quote dups));
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wenzelm@24724
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val frees = rev ((fold o fold_aterms) add_free As (rev commons));
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wenzelm@24848
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val types = map (TypeInfer.param i o rpair []) (Name.invents Name.context Name.aT (length frees));
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wenzelm@24724
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val uniform_typing = the o AList.lookup (op =) (frees ~~ types);
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wenzelm@24724
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wenzelm@24724
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fun abs_body lev y (Abs (x, T, b)) = Abs (x, T, abs_body (lev + 1) y b)
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wenzelm@24724
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| abs_body lev y (t $ u) = abs_body lev y t $ abs_body lev y u
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wenzelm@24724
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| abs_body lev y (t as Free (x, T)) =
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wenzelm@24724
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if x = y then TypeInfer.constrain (uniform_typing x) (TypeInfer.constrain T (Bound lev))
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wenzelm@24724
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else t
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wenzelm@24724
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| abs_body _ _ a = a;
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wenzelm@24724
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fun close (y, U) B =
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wenzelm@24724
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let val B' = abs_body 0 y (Term.incr_boundvars 1 B)
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wenzelm@24724
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in if Term.loose_bvar1 (B', 0) then Term.all dummyT $ Abs (y, U, B') else B end;
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wenzelm@24724
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fun close_form A =
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wenzelm@24724
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let
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wenzelm@24724
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val occ_frees = rev (fold_aterms add_free A []);
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wenzelm@24724
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val bounds = xs @ map (rpair dummyT) (subtract (op =) commons occ_frees);
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wenzelm@24724
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in fold_rev close bounds A end;
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wenzelm@24724
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in map close_form As end;
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wenzelm@24724
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wenzelm@30484
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fun prepare prep_vars parse_prop prep_att do_close raw_vars raw_specss ctxt =
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wenzelm@18620
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let
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wenzelm@18670
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val thy = ProofContext.theory_of ctxt;
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wenzelm@18620
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wenzelm@18670
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val (vars, vars_ctxt) = ctxt |> prep_vars raw_vars;
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wenzelm@30770
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val (xs, params_ctxt) = vars_ctxt |> ProofContext.add_fixes vars;
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wenzelm@18620
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wenzelm@24724
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val Asss = (map o map) (map (parse_prop params_ctxt) o snd) raw_specss;
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wenzelm@24734
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val names = Variable.names_of (params_ctxt |> (fold o fold o fold) Variable.declare_term Asss)
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wenzelm@24734
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|> fold Name.declare xs;
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wenzelm@24734
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val Asss' = #1 ((fold_map o fold_map o fold_map) Term.free_dummy_patterns Asss names);
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wenzelm@24734
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val idx = (fold o fold o fold) Term.maxidx_term Asss' ~1 + 1;
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wenzelm@24724
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val specs =
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wenzelm@24724
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(if do_close then
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wenzelm@24734
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#1 (fold_map
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wenzelm@24734
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(fn Ass => fn i => (burrow (close_forms params_ctxt i []) Ass, i + 1)) Asss' idx)
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wenzelm@24734
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else Asss')
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wenzelm@24724
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|> flat |> burrow (Syntax.check_props params_ctxt);
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wenzelm@24724
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val specs_ctxt = params_ctxt |> (fold o fold) Variable.declare_term specs;
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wenzelm@24724
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wenzelm@28080
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val Ts = specs_ctxt |> fold_map ProofContext.inferred_param xs |> fst;
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wenzelm@28080
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val params = map2 (fn (b, _, mx) => fn T => ((b, T), mx)) vars Ts;
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wenzelm@24724
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val name_atts = map (fn ((name, atts), _) => (name, map (prep_att thy) atts)) (flat raw_specss);
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wenzelm@24724
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in ((params, name_atts ~~ specs), specs_ctxt) end;
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wenzelm@18620
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wenzelm@30484
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wenzelm@30484
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fun single_spec (a, prop) = [(a, [prop])];
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wenzelm@30484
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fun the_spec (a, [prop]) = (a, prop);
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wenzelm@30484
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wenzelm@30484
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fun prep_spec prep_vars parse_prop prep_att do_close vars specs =
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wenzelm@30484
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prepare prep_vars parse_prop prep_att do_close
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wenzelm@30484
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vars (map single_spec specs) #>> apsnd (map the_spec);
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wenzelm@30484
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wenzelm@24724
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in
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wenzelm@24724
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wenzelm@30484
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fun check_spec x = prep_spec ProofContext.cert_vars (K I) (K I) true x;
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wenzelm@30484
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fun read_spec x = prep_spec ProofContext.read_vars Syntax.parse_prop Attrib.intern_src true x;
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wenzelm@30484
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wenzelm@30484
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fun check_free_spec x = prep_spec ProofContext.cert_vars (K I) (K I) false x;
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wenzelm@30484
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fun read_free_spec x = prep_spec ProofContext.read_vars Syntax.parse_prop Attrib.intern_src false x;
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wenzelm@30484
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wenzelm@30484
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fun check_specification vars specs =
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wenzelm@30484
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prepare ProofContext.cert_vars (K I) (K I) true vars [specs];
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wenzelm@30484
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wenzelm@30484
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fun read_specification vars specs =
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wenzelm@30484
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prepare ProofContext.read_vars Syntax.parse_prop Attrib.intern_src true vars [specs];
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wenzelm@24724
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wenzelm@24724
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end;
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wenzelm@18620
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wenzelm@18620
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wenzelm@28114
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(* axiomatization -- within global theory *)
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wenzelm@18620
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wenzelm@28114
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fun gen_axioms do_print prep raw_vars raw_specs thy =
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wenzelm@18620
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let
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wenzelm@30484
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val ((vars, specs), _) = prep raw_vars raw_specs (ProofContext.init thy);
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wenzelm@30588
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val xs = map (fn ((b, T), _) => (Name.of_binding b, T)) vars;
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wenzelm@28114
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wenzelm@28114
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(*consts*)
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wenzelm@33173
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val (consts, consts_thy) = thy |> fold_map Theory.specify_const vars;
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wenzelm@28114
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val subst = Term.subst_atomic (map Free xs ~~ consts);
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wenzelm@28114
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wenzelm@28114
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(*axioms*)
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wenzelm@30476
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val (axioms, axioms_thy) = (specs, consts_thy) |-> fold_map (fn ((b, atts), props) =>
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wenzelm@30476
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fold_map Thm.add_axiom
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wenzelm@30476
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(map (apfst (fn a => Binding.map_name (K a) b))
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wenzelm@30588
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(PureThy.name_multi (Name.of_binding b) (map subst props)))
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wenzelm@33703
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#>> (fn ths => ((b, atts), [(ths, [])])));
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wenzelm@30476
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wenzelm@30476
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(*facts*)
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wenzelm@33703
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val (facts, facts_lthy) = axioms_thy
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wenzelm@33703
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|> Theory_Target.init NONE
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wenzelm@33703
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|> Spec_Rules.add Spec_Rules.Unknown (consts, maps (maps #1 o #2) axioms)
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wenzelm@33703
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|> Local_Theory.notes axioms;
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wenzelm@30476
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wenzelm@26595
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val _ =
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wenzelm@26595
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if not do_print then ()
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wenzelm@33703
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else print_consts facts_lthy (K false) xs;
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wenzelm@33703
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in ((consts, map #2 facts), Local_Theory.exit_global facts_lthy) end;
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wenzelm@18786
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wenzelm@26595
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val axiomatization = gen_axioms false check_specification;
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wenzelm@26595
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val axiomatization_cmd = gen_axioms true read_specification;
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wenzelm@18620
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wenzelm@18786
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wenzelm@18786
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(* definition *)
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wenzelm@18786
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wenzelm@30484
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fun gen_def do_print prep (raw_var, raw_spec) lthy =
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wenzelm@18786
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let
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wenzelm@30484
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val (vars, [((raw_name, atts), prop)]) = fst (prep (the_list raw_var) [raw_spec] lthy);
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wenzelm@21705
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val (((x, T), rhs), prove) = LocalDefs.derived_def lthy true prop;
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wenzelm@30448
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val var as (b, _) =
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wenzelm@28080
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(case vars of
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haftmann@28965
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[] => (Binding.name x, NoSyn)
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wenzelm@28080
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200 |
| [((b, _), mx)] =>
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wenzelm@28080
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let
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wenzelm@30588
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202 |
val y = Name.of_binding b;
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wenzelm@28080
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203 |
val _ = x = y orelse
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wenzelm@28080
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204 |
error ("Head of definition " ^ quote x ^ " differs from declaration " ^ quote y ^
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haftmann@28939
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205 |
Position.str_of (Binding.pos_of b));
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wenzelm@28080
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in (b, mx) end);
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wenzelm@30448
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val name = Thm.def_binding_optional b raw_name;
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wenzelm@33461
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val ((lhs, (_, raw_th)), lthy2) = lthy
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wenzelm@33811
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|> Local_Theory.define (var, ((Binding.suffix_name "_raw" name, []), rhs));
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wenzelm@33461
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210 |
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wenzelm@33461
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211 |
val th = prove lthy2 raw_th;
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wenzelm@33461
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212 |
val lthy3 = lthy2 |> Spec_Rules.add Spec_Rules.Equational ([lhs], [th]);
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wenzelm@33461
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213 |
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wenzelm@33672
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214 |
val ([(def_name, [th'])], lthy4) = lthy3
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wenzelm@33673
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215 |
|> Local_Theory.notes_kind Thm.definitionK
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bulwahn@33756
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216 |
[((name, Code.add_default_eqn_attrib :: atts), [([th], [])])];
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wenzelm@18786
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217 |
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wenzelm@33673
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218 |
val lhs' = Morphism.term (Local_Theory.target_morphism lthy4) lhs;
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wenzelm@26595
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219 |
val _ =
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wenzelm@26595
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220 |
if not do_print then ()
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wenzelm@33461
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221 |
else print_consts lthy4 (member (op =) (Term.add_frees lhs' [])) [(x, T)];
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wenzelm@33461
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222 |
in ((lhs, (def_name, th')), lthy4) end;
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wenzelm@18786
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223 |
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wenzelm@30484
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224 |
val definition = gen_def false check_free_spec;
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wenzelm@30484
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225 |
val definition_cmd = gen_def true read_free_spec;
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wenzelm@18786
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226 |
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wenzelm@19080
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227 |
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wenzelm@19080
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228 |
(* abbreviation *)
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wenzelm@19080
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229 |
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wenzelm@26595
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230 |
fun gen_abbrev do_print prep mode (raw_var, raw_prop) lthy =
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wenzelm@19080
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let
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wenzelm@30484
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232 |
val ((vars, [(_, prop)]), _) =
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wenzelm@30484
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233 |
prep (the_list raw_var) [(Attrib.empty_binding, raw_prop)]
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wenzelm@24676
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(lthy |> ProofContext.set_mode ProofContext.mode_abbrev);
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wenzelm@21705
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235 |
val ((x, T), rhs) = LocalDefs.abs_def (#2 (LocalDefs.cert_def lthy prop));
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wenzelm@28080
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236 |
val var =
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wenzelm@28080
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237 |
(case vars of
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haftmann@28965
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238 |
[] => (Binding.name x, NoSyn)
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wenzelm@28080
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239 |
| [((b, _), mx)] =>
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wenzelm@28080
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240 |
let
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wenzelm@30588
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241 |
val y = Name.of_binding b;
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wenzelm@28080
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242 |
val _ = x = y orelse
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wenzelm@28080
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243 |
error ("Head of abbreviation " ^ quote x ^ " differs from declaration " ^ quote y ^
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haftmann@28939
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244 |
Position.str_of (Binding.pos_of b));
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wenzelm@28080
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245 |
in (b, mx) end);
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wenzelm@21705
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246 |
val lthy' = lthy
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wenzelm@24986
|
247 |
|> ProofContext.set_syntax_mode mode (* FIXME ?!? *)
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wenzelm@33673
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248 |
|> Local_Theory.abbrev mode (var, rhs) |> snd
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wenzelm@21705
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249 |
|> ProofContext.restore_syntax_mode lthy;
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wenzelm@24724
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250 |
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wenzelm@26595
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251 |
val _ = if not do_print then () else print_consts lthy' (K false) [(x, T)];
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wenzelm@21532
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252 |
in lthy' end;
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wenzelm@19080
|
253 |
|
wenzelm@30484
|
254 |
val abbreviation = gen_abbrev false check_free_spec;
|
wenzelm@30484
|
255 |
val abbreviation_cmd = gen_abbrev true read_free_spec;
|
wenzelm@19080
|
256 |
|
wenzelm@19664
|
257 |
|
wenzelm@21230
|
258 |
(* notation *)
|
wenzelm@19664
|
259 |
|
wenzelm@35418
|
260 |
local
|
wenzelm@35418
|
261 |
|
wenzelm@35418
|
262 |
fun gen_type_notation prep_type add mode args lthy =
|
wenzelm@35418
|
263 |
lthy |> Local_Theory.type_notation add mode (map (apfst (prep_type lthy)) args);
|
wenzelm@35418
|
264 |
|
wenzelm@24949
|
265 |
fun gen_notation prep_const add mode args lthy =
|
wenzelm@33673
|
266 |
lthy |> Local_Theory.notation add mode (map (apfst (prep_const lthy)) args);
|
wenzelm@19664
|
267 |
|
wenzelm@35418
|
268 |
in
|
wenzelm@35418
|
269 |
|
wenzelm@35418
|
270 |
val type_notation = gen_type_notation (K I);
|
wenzelm@35418
|
271 |
val type_notation_cmd = gen_type_notation (fn ctxt => ProofContext.read_type_name ctxt false);
|
wenzelm@35418
|
272 |
|
wenzelm@24927
|
273 |
val notation = gen_notation (K I);
|
wenzelm@35399
|
274 |
val notation_cmd = gen_notation (fn ctxt => ProofContext.read_const ctxt false);
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wenzelm@19664
|
275 |
|
wenzelm@35418
|
276 |
end;
|
wenzelm@35418
|
277 |
|
wenzelm@20914
|
278 |
|
wenzelm@21036
|
279 |
(* fact statements *)
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wenzelm@20914
|
280 |
|
wenzelm@26345
|
281 |
fun gen_theorems prep_fact prep_att kind raw_facts lthy =
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wenzelm@20914
|
282 |
let
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wenzelm@20914
|
283 |
val attrib = prep_att (ProofContext.theory_of lthy);
|
wenzelm@20914
|
284 |
val facts = raw_facts |> map (fn ((name, atts), bs) =>
|
wenzelm@20914
|
285 |
((name, map attrib atts),
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wenzelm@26345
|
286 |
bs |> map (fn (b, more_atts) => (prep_fact lthy b, map attrib more_atts))));
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wenzelm@33673
|
287 |
val (res, lthy') = lthy |> Local_Theory.notes_kind kind facts;
|
wenzelm@33389
|
288 |
val _ = Proof_Display.print_results true lthy' ((kind, ""), res);
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wenzelm@20914
|
289 |
in (res, lthy') end;
|
wenzelm@20914
|
290 |
|
wenzelm@24927
|
291 |
val theorems = gen_theorems (K I) (K I);
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wenzelm@26345
|
292 |
val theorems_cmd = gen_theorems ProofContext.get_fact Attrib.intern_src;
|
wenzelm@20914
|
293 |
|
wenzelm@21036
|
294 |
|
wenzelm@21230
|
295 |
(* complex goal statements *)
|
wenzelm@21036
|
296 |
|
wenzelm@21036
|
297 |
local
|
wenzelm@21036
|
298 |
|
wenzelm@21236
|
299 |
fun prep_statement prep_att prep_stmt elems concl ctxt =
|
wenzelm@21236
|
300 |
(case concl of
|
wenzelm@21236
|
301 |
Element.Shows shows =>
|
wenzelm@21230
|
302 |
let
|
ballarin@28880
|
303 |
val (propp, elems_ctxt) = prep_stmt elems (map snd shows) ctxt;
|
wenzelm@30478
|
304 |
val prems = Assumption.local_prems_of elems_ctxt ctxt;
|
wenzelm@21450
|
305 |
val stmt = Attrib.map_specs prep_att (map fst shows ~~ propp);
|
wenzelm@21370
|
306 |
val goal_ctxt = fold (fold (Variable.auto_fixes o fst)) propp elems_ctxt;
|
wenzelm@32856
|
307 |
in ((prems, stmt, NONE), goal_ctxt) end
|
wenzelm@21236
|
308 |
| Element.Obtains obtains =>
|
wenzelm@21230
|
309 |
let
|
haftmann@28862
|
310 |
val case_names = obtains |> map_index (fn (i, (b, _)) =>
|
wenzelm@30588
|
311 |
if Binding.is_empty b then string_of_int (i + 1) else Name.of_binding b);
|
wenzelm@21236
|
312 |
val constraints = obtains |> map (fn (_, (vars, _)) =>
|
ballarin@28710
|
313 |
Element.Constrains
|
wenzelm@30588
|
314 |
(vars |> map_filter (fn (x, SOME T) => SOME (Name.of_binding x, T) | _ => NONE)));
|
wenzelm@21036
|
315 |
|
wenzelm@21236
|
316 |
val raw_propp = obtains |> map (fn (_, (_, props)) => map (rpair []) props);
|
ballarin@28880
|
317 |
val (propp, elems_ctxt) = prep_stmt (elems @ constraints) raw_propp ctxt;
|
wenzelm@21236
|
318 |
|
wenzelm@33386
|
319 |
val thesis = ObjectLogic.fixed_judgment (ProofContext.theory_of ctxt) Auto_Bind.thesisN;
|
wenzelm@21236
|
320 |
|
wenzelm@21236
|
321 |
fun assume_case ((name, (vars, _)), asms) ctxt' =
|
wenzelm@21230
|
322 |
let
|
wenzelm@28080
|
323 |
val bs = map fst vars;
|
wenzelm@30588
|
324 |
val xs = map Name.of_binding bs;
|
wenzelm@21236
|
325 |
val props = map fst asms;
|
wenzelm@28080
|
326 |
val (Ts, _) = ctxt'
|
wenzelm@21236
|
327 |
|> fold Variable.declare_term props
|
wenzelm@21236
|
328 |
|> fold_map ProofContext.inferred_param xs;
|
wenzelm@28080
|
329 |
val asm = Term.list_all_free (xs ~~ Ts, Logic.list_implies (props, thesis));
|
wenzelm@21236
|
330 |
in
|
wenzelm@30770
|
331 |
ctxt' |> (snd o ProofContext.add_fixes (map (fn b => (b, NONE, NoSyn)) bs));
|
wenzelm@21370
|
332 |
ctxt' |> Variable.auto_fixes asm
|
wenzelm@21236
|
333 |
|> ProofContext.add_assms_i Assumption.assume_export
|
wenzelm@33369
|
334 |
[((name, [Context_Rules.intro_query NONE]), [(asm, [])])]
|
wenzelm@21236
|
335 |
|>> (fn [(_, [th])] => th)
|
wenzelm@21236
|
336 |
end;
|
wenzelm@21036
|
337 |
|
wenzelm@21658
|
338 |
val atts = map (Attrib.internal o K)
|
wenzelm@33368
|
339 |
[Rule_Cases.consumes (~ (length obtains)), Rule_Cases.case_names case_names];
|
wenzelm@30478
|
340 |
val prems = Assumption.local_prems_of elems_ctxt ctxt;
|
haftmann@28965
|
341 |
val stmt = [((Binding.empty, atts), [(thesis, [])])];
|
wenzelm@21236
|
342 |
|
wenzelm@21236
|
343 |
val (facts, goal_ctxt) = elems_ctxt
|
wenzelm@33386
|
344 |
|> (snd o ProofContext.add_fixes [(Binding.name Auto_Bind.thesisN, NONE, NoSyn)])
|
wenzelm@21236
|
345 |
|> fold_map assume_case (obtains ~~ propp)
|
wenzelm@33644
|
346 |
|-> (fn ths =>
|
wenzelm@33644
|
347 |
ProofContext.note_thmss "" [((Binding.name Obtain.thatN, []), [(ths, [])])] #>
|
wenzelm@33644
|
348 |
#2 #> pair ths);
|
wenzelm@32856
|
349 |
in ((prems, stmt, SOME facts), goal_ctxt) end);
|
wenzelm@21036
|
350 |
|
wenzelm@33519
|
351 |
structure TheoremHook = Generic_Data
|
berghofe@24452
|
352 |
(
|
berghofe@24452
|
353 |
type T = ((bool -> Proof.state -> Proof.state) * stamp) list;
|
berghofe@24452
|
354 |
val empty = [];
|
berghofe@24452
|
355 |
val extend = I;
|
wenzelm@33519
|
356 |
fun merge hooks : T = Library.merge (eq_snd op =) hooks;
|
berghofe@24452
|
357 |
);
|
berghofe@24452
|
358 |
|
wenzelm@21036
|
359 |
fun gen_theorem prep_att prep_stmt
|
wenzelm@28858
|
360 |
kind before_qed after_qed (name, raw_atts) raw_elems raw_concl int lthy =
|
wenzelm@21036
|
361 |
let
|
wenzelm@33673
|
362 |
val _ = Local_Theory.affirm lthy;
|
wenzelm@28858
|
363 |
val thy = ProofContext.theory_of lthy;
|
wenzelm@21036
|
364 |
|
wenzelm@21435
|
365 |
val attrib = prep_att thy;
|
wenzelm@21435
|
366 |
val atts = map attrib raw_atts;
|
ballarin@28710
|
367 |
val elems = raw_elems |> map (Element.map_ctxt_attrib attrib);
|
wenzelm@21450
|
368 |
val ((prems, stmt, facts), goal_ctxt) =
|
ballarin@28880
|
369 |
prep_statement attrib prep_stmt elems raw_concl lthy;
|
wenzelm@21036
|
370 |
|
wenzelm@21036
|
371 |
fun after_qed' results goal_ctxt' =
|
wenzelm@21602
|
372 |
let val results' =
|
wenzelm@21602
|
373 |
burrow (map Goal.norm_result o ProofContext.export goal_ctxt' lthy) results
|
wenzelm@21602
|
374 |
in
|
wenzelm@21036
|
375 |
lthy
|
wenzelm@33673
|
376 |
|> Local_Theory.notes_kind kind
|
wenzelm@33672
|
377 |
(map2 (fn (a, _) => fn ths => (a, [(ths, [])])) stmt results')
|
wenzelm@21036
|
378 |
|> (fn (res, lthy') =>
|
haftmann@28965
|
379 |
if Binding.is_empty name andalso null atts then
|
wenzelm@33389
|
380 |
(Proof_Display.print_results true lthy' ((kind, ""), res); lthy')
|
wenzelm@28080
|
381 |
else
|
wenzelm@28080
|
382 |
let
|
wenzelm@28080
|
383 |
val ([(res_name, _)], lthy'') = lthy'
|
wenzelm@33673
|
384 |
|> Local_Theory.notes_kind kind [((name, atts), [(maps #2 res, [])])];
|
wenzelm@33389
|
385 |
val _ = Proof_Display.print_results true lthy' ((kind, res_name), res);
|
wenzelm@28080
|
386 |
in lthy'' end)
|
wenzelm@21036
|
387 |
|> after_qed results'
|
wenzelm@21036
|
388 |
end;
|
wenzelm@21036
|
389 |
in
|
wenzelm@21036
|
390 |
goal_ctxt
|
wenzelm@33644
|
391 |
|> ProofContext.note_thmss "" [((Binding.name Auto_Bind.assmsN, []), [(prems, [])])]
|
wenzelm@21450
|
392 |
|> snd
|
wenzelm@21435
|
393 |
|> Proof.theorem_i before_qed after_qed' (map snd stmt)
|
wenzelm@32856
|
394 |
|> (case facts of NONE => I | SOME ths => Proof.refine_insert ths)
|
wenzelm@24542
|
395 |
|> Library.apply (map (fn (f, _) => f int) (rev (TheoremHook.get (Context.Proof goal_ctxt))))
|
wenzelm@21036
|
396 |
end;
|
wenzelm@21036
|
397 |
|
wenzelm@21230
|
398 |
in
|
wenzelm@21230
|
399 |
|
ballarin@29249
|
400 |
val theorem = gen_theorem (K I) Expression.cert_statement;
|
ballarin@29249
|
401 |
val theorem_cmd = gen_theorem Attrib.intern_src Expression.read_statement;
|
wenzelm@21036
|
402 |
|
berghofe@24452
|
403 |
fun add_theorem_hook f = TheoremHook.map (cons (f, stamp ()));
|
berghofe@24452
|
404 |
|
wenzelm@18620
|
405 |
end;
|
wenzelm@21036
|
406 |
|
wenzelm@21036
|
407 |
end;
|