∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : HomotopicalAlgebra.ModelCategory C] {A : C}
  (h :
    (HomotopicalAlgebra.cofibrations C).MapFactorizationData (HomotopicalAlgebra.trivialFibrations C)
      (CategoryTheory.Limits.codiag A)),
  (HomotopicalAlgebra.Cylinder.ofFactorizationData h).i = h.i