Definition FNodd (p : float) := Fodd (Fnormalize radix b precision p).Definition FNeven (p : float) := Feven (Fnormalize radix b precision p).

Theorem FNEvenD : forall p : float, Fbounded b p -> FNeven p -> exists q : float, Fbounded b q /\ p = (2%nat * q)%R :>R.