import Language.Symantic.Lib.Integral (tyIntegral)
-- * Class 'Sym_Ratio'
-type instance Sym (Proxy Ratio) = Sym_Ratio
+type instance Sym Ratio = Sym_Ratio
class Sym_Ratio term where
ratio :: Integral a => term a -> term a -> term (Ratio a)
numerator :: term (Ratio a) -> term a