∀ {V : Type v} [inst : CategoryTheory.Category.{w, v} V] [inst_1 : CategoryTheory.MonoidalCategory V] {C : Type u₁}
  [inst_2 : CategoryTheory.EnrichedCategory V C] {D : Type u₂} [inst_3 : CategoryTheory.EnrichedCategory V D]
  {F G : CategoryTheory.EnrichedFunctor V C D} (h : F.forget ≅ G.forget),
  (CategoryTheory.EnrichedFunctor.isoMk h).inv.out = h.inv