∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : HomotopicalAlgebra.ModelCategory C] {X Y : C}
  {f g : X ⟶ Y} [inst_2 : HomotopicalAlgebra.IsCofibrant X] (h : HomotopicalAlgebra.LeftHomotopyRel f g)
  (Q : HomotopicalAlgebra.PathObject Y) [inst_3 : Q.IsGood] (h_1 : ⋯.choose.LeftHomotopy f g) (h' : ⋯.choose.IsGood)
  (sq :
    CategoryTheory.CommSq (CategoryTheory.CategoryStruct.comp f Q.ι) ⋯.choose.i₀ Q.p
      (CategoryTheory.Limits.prod.lift (CategoryTheory.CategoryStruct.comp ⋯.choose.π f) h_1.h)),
  CategoryTheory.CategoryStruct.comp (CategoryTheory.CategoryStruct.comp ⋯.choose.i₁ sq.lift) Q.p₁ = g