simplified IsarThy.theorem_i;

--- a/src/HOL/Tools/recdef_package.ML	Thu Jan 10 01:10:58 2002 +0100
+++ b/src/HOL/Tools/recdef_package.ML	Thu Jan 10 01:11:43 2002 +0100
@@ -311,7 +311,7 @@
       error ("No termination condition #" ^ string_of_int i ^
         " in recdef definition of " ^ quote name);
   in
-    thy |> IsarThy.theorem_i Drule.internalK (None, [])
+    thy |> IsarThy.theorem_i Drule.internalK
       (((bname, atts), (HOLogic.mk_Trueprop tc, ([], []))), Comment.none) int
   end;
 

--- a/src/HOL/Tools/typedef_package.ML	Thu Jan 10 01:10:58 2002 +0100
+++ b/src/HOL/Tools/typedef_package.ML	Thu Jan 10 01:11:43 2002 +0100
@@ -247,8 +247,8 @@
       prepare_typedef prep_term true name typ set opt_morphs thy;
     val att = #1 o att_result;
   in
-    thy |> IsarThy.theorem_i Drule.internalK (None, [])
-      ((("", [att]), (goal, ([goal_pat], []))), comment) int
+    thy
+    |> IsarThy.theorem_i Drule.internalK ((("", [att]), (goal, ([goal_pat], []))), comment) int
   end;
 
 val typedef_proof = gen_typedef_proof read_term;

--- a/src/Pure/axclass.ML	Thu Jan 10 01:10:58 2002 +0100
+++ b/src/Pure/axclass.ML	Thu Jan 10 01:11:43 2002 +0100
@@ -423,7 +423,7 @@
 
 fun inst_proof mk_prop add_thms (sig_prop, comment) int thy =
   thy
-  |> IsarThy.theorem_i Drule.internalK (None, []) ((("", [inst_attribute add_thms]),
+  |> IsarThy.theorem_i Drule.internalK ((("", [inst_attribute add_thms]),
     (mk_prop (Theory.sign_of thy) sig_prop, ([], []))), comment) int;
 
 val instance_subclass_proof = inst_proof (mk_classrel oo read_classrel) add_classrel_thms;