--- a/IntEx.thy Mon Nov 02 14:57:56 2009 +0100 +++ b/IntEx.thy Mon Nov 02 15:38:49 2009 +0100 @@ -19,7 +19,6 @@ where "ZERO \<equiv> (0::nat, 0::nat)" -thm ZERO_def quotient_def (for my_int) ONE::"my_int"