∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : HomotopicalAlgebra.ModelCategory C] {X Y : C}
  (f : X ⟶ Y) (h : HomotopicalAlgebra.CofibrantBrownFactorization f), HomotopicalAlgebra.WeakEquivalence h.s