{X Y : SSet} →
  {A : X.Subcomplex} →
    {B : Y.Subcomplex} →
      {φ : A.toSSet ⟶ B.toSSet} →
        {motive : SSet.RelativeMorphism A B φ → Sort u_1} →
          (t : SSet.RelativeMorphism A B φ) →
            ((map : X ⟶ Y) →
                (comm : CategoryTheory.CategoryStruct.comp A.ι map = CategoryTheory.CategoryStruct.comp φ B.ι) →
                  motive { map := map, comm := comm }) →
              motive t