Subtypes: Twice, Along, P'T'I'TT'I.
Product is a limit of Arrow category:
Covariant Functor from Arrow into Arrow (1/2 argument):
Covariant Functor from Arrow into Arrow (2/2 argument):
Covariant Functor from Kleisli Arrow into Kleisli Arrow (1/2 argument):
Covariant Functor from Kleisli Arrow into Kleisli Arrow (2/2 argument):
Covariant Functor from Arrow into Arrow with representing objects: