changeset 28724 | 4656aacba2bc |
parent 28661 | a287d0e8aa9d |
child 28952 | 15a4b2cf8c34 |
--- a/src/HOL/Int.thy Fri Nov 07 08:57:15 2008 +0100 +++ b/src/HOL/Int.thy Mon Nov 10 08:18:56 2008 +0100 @@ -782,11 +782,11 @@ instantiation int :: number_ring begin -definition - int_number_of_def [code del]: "number_of w = (of_int w \<Colon> int)" +definition int_number_of_def [code del]: + "number_of w = (of_int w \<Colon> int)" -instance - by intro_classes (simp only: int_number_of_def) +instance proof +qed (simp only: int_number_of_def) end