src/Pure/assumption.ML
changeset 54883 dd04a8b654fc
parent 54740 91f54d386680
child 54984 da70ab8531f4
equal deleted inserted replaced
54882:61276a7fc369 54883:dd04a8b654fc
     7 signature ASSUMPTION =
     7 signature ASSUMPTION =
     8 sig
     8 sig
     9   type export = bool -> cterm list -> (thm -> thm) * (term -> term)
     9   type export = bool -> cterm list -> (thm -> thm) * (term -> term)
    10   val assume_export: export
    10   val assume_export: export
    11   val presume_export: export
    11   val presume_export: export
    12   val assume: cterm -> thm
    12   val assume: Proof.context -> cterm -> thm
    13   val all_assms_of: Proof.context -> cterm list
    13   val all_assms_of: Proof.context -> cterm list
    14   val all_prems_of: Proof.context -> thm list
    14   val all_prems_of: Proof.context -> thm list
    15   val check_hyps: Proof.context -> thm -> thm
    15   val check_hyps: Proof.context -> thm -> thm
    16   val local_assms_of: Proof.context -> Proof.context -> cterm list
    16   val local_assms_of: Proof.context -> Proof.context -> cterm list
    17   val local_prems_of: Proof.context -> Proof.context -> thm list
    17   val local_prems_of: Proof.context -> Proof.context -> thm list
    46   -------
    46   -------
    47   A ==> B
    47   A ==> B
    48 *)
    48 *)
    49 fun presume_export _ = assume_export false;
    49 fun presume_export _ = assume_export false;
    50 
    50 
    51 val assume = Raw_Simplifier.norm_hhf o Thm.assume;
    51 fun assume ctxt = Raw_Simplifier.norm_hhf ctxt o Thm.assume;
    52 
    52 
    53 
    53 
    54 
    54 
    55 (** local context data **)
    55 (** local context data **)
    56 
    56 
    95   drop (length (all_prems_of outer)) (all_prems_of inner);
    95   drop (length (all_prems_of outer)) (all_prems_of inner);
    96 
    96 
    97 
    97 
    98 (* add assumptions *)
    98 (* add assumptions *)
    99 
    99 
   100 fun add_assms export new_asms =
   100 fun add_assms export new_asms ctxt =
   101   let val new_prems = map assume new_asms in
   101   let val new_prems = map (assume ctxt) new_asms in
   102     map_data (fn (asms, prems) => (asms @ [(export, new_asms)], prems @ new_prems)) #>
   102     ctxt
   103     pair new_prems
   103     |> map_data (fn (asms, prems) => (asms @ [(export, new_asms)], prems @ new_prems))
       
   104     |> pair new_prems
   104   end;
   105   end;
   105 
   106 
   106 val add_assumes = add_assms assume_export;
   107 val add_assumes = add_assms assume_export;
   107 
   108 
   108 
   109 
   109 (* export *)
   110 (* export *)
   110 
   111 
   111 fun export is_goal inner outer =
   112 fun export is_goal inner outer =
   112   Raw_Simplifier.norm_hhf_protect #>
   113   Raw_Simplifier.norm_hhf_protect inner #>
   113   fold_rev (fn (e, As) => #1 (e is_goal As)) (local_assumptions_of inner outer) #>
   114   fold_rev (fn (e, As) => #1 (e is_goal As)) (local_assumptions_of inner outer) #>
   114   Raw_Simplifier.norm_hhf_protect;
   115   Raw_Simplifier.norm_hhf_protect outer;
   115 
   116 
   116 fun export_term inner outer =
   117 fun export_term inner outer =
   117   fold_rev (fn (e, As) => #2 (e false As)) (local_assumptions_of inner outer);
   118   fold_rev (fn (e, As) => #2 (e false As)) (local_assumptions_of inner outer);
   118 
   119 
   119 fun export_morphism inner outer =
   120 fun export_morphism inner outer =