∀ {𝕜 : Type u_3} [inst : NontriviallyNormedField 𝕜] {E : Type u_4} [inst_1 : NormedAddCommGroup E]
  [inst_2 : NormedSpace 𝕜 E] {H : Type u_5} [inst_3 : TopologicalSpace H] {I : ModelWithCorners 𝕜 E H} {N : Type u_2}
  [inst_4 : TopologicalSpace N] [inst_5 : ChartedSpace H N] {n : WithTop ℕ∞} {V : Type u_1}
  [inst_6 : NormedAddCommGroup V] [inst_7 : NormedSpace 𝕜 V] (c₁ c₂ : ContMDiffMap I (modelWithCornersSelf 𝕜 𝕜) N 𝕜 n)
  (f : ContMDiffMap I (modelWithCornersSelf 𝕜 V) N V n), (c₁ + c₂) • f = c₁ • f + c₂ • f