{𝕜 : Type u_1} →
  [inst : NontriviallyNormedField 𝕜] →
    {E : Type u_2} →
      [inst_1 : NormedAddCommGroup E] →
        [inst_2 : NormedSpace 𝕜 E] →
          {H : Type u_3} →
            [inst_3 : TopologicalSpace H] →
              (I : ModelWithCorners 𝕜 E H) →
                (n : ℕ∞) →
                  Diffeomorph I.tangent (I.prod (modelWithCornersSelf 𝕜 E)) (TangentBundle I H) (ModelProd H E) ↑n