fact: Definition O_monad_strength_natural (A A' B B' : Type) (f : A -> A') (g : B -> B') : O_functor (functor_prod f g) o O_monad_strength A B == O_monad_strength A' B' o functor_prod f (O_functor g).
imports: HoTT.Basics HoTT.Types Equiv.BiInv Extensions HProp HFiber NullHomotopy Limits.Pullback PathAny Colimits.Pushout