src/Pure/Isar/obtain.ML
changeset 74269 f084d599bb44
parent 74266 612b7e0d6721
child 74282 c2ee8d993d6a
equal deleted inserted replaced
74268:d01920a8b082 74269:f084d599bb44
   103 
   103 
   104 fun mk_all_internal ctxt (y, z) t =
   104 fun mk_all_internal ctxt (y, z) t =
   105   let
   105   let
   106     val frees = Frees.build (t |> Term.fold_aterms (fn Free v => Frees.add_set v | _ => I));
   106     val frees = Frees.build (t |> Term.fold_aterms (fn Free v => Frees.add_set v | _ => I));
   107     val T =
   107     val T =
   108       (case Frees.get_first (fn ((x, T), ()) => if x = z then SOME T else NONE) frees of
   108       (case Frees.get_first (fn ((x, T), _) => if x = z then SOME T else NONE) frees of
   109         SOME T => T
   109         SOME T => T
   110       | NONE => the_default dummyT (Variable.default_type ctxt z));
   110       | NONE => the_default dummyT (Variable.default_type ctxt z));
   111   in Logic.all_const T $ Term.lambda_name (y, Free (z, T)) t end;
   111   in Logic.all_const T $ Term.lambda_name (y, Free (z, T)) t end;
   112 
   112 
   113 fun prepare_clause prep_var parse_prop mk_all ctxt thesis raw_vars raw_props =
   113 fun prepare_clause prep_var parse_prop mk_all ctxt thesis raw_vars raw_props =