--- a/src/HOL/ex/ExecutableContent.thy Wed Apr 02 15:58:36 2008 +0200 +++ b/src/HOL/ex/ExecutableContent.thy Wed Apr 02 15:58:37 2008 +0200 @@ -21,6 +21,7 @@ Nat_Infinity NatPair Nested_Environment + Option_ord Permutation Primes Product_ord