∀ {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} {M : Type u_4}
  [inst_4 : TopologicalSpace M] [inst_5 : ChartedSpace H M] {F : Type u_8} [inst_6 : NormedAddCommGroup F]
  [inst_7 : NormedSpace 𝕜 F] {G : Type u_9} [inst_8 : TopologicalSpace G] {J : ModelWithCorners 𝕜 F G} {N : Type u_10}
  [inst_9 : TopologicalSpace N] [inst_10 : ChartedSpace G N] {n : WithTop ℕ∞}, ContMDiff (I.prod J) J n Prod.snd