∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {A : C}
  [inst_1 : HomotopicalAlgebra.CategoryWithWeakEquivalences C] {P : HomotopicalAlgebra.Cylinder A}
  [inst_2 : CategoryTheory.Limits.HasBinaryCoproduct A A] [inst_3 : HomotopicalAlgebra.CategoryWithCofibrations C],
  autoParam (HomotopicalAlgebra.Cofibration P.i) HomotopicalAlgebra.Cylinder.IsGood.cofibration_i._autoParam → P.IsGood