∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Abelian C]
  [inst_2 : CategoryTheory.IsGrothendieckAbelian.{w, v, u} C] {X Y : C} (f : X ⟶ Y),
  CategoryTheory.Mono (CategoryTheory.IsGrothendieckAbelian.monoMapFactorizationDataRlp f).i