∀ (𝕜 : Type u_4) (E : Type u_2) (F : Type u_3) (ι : Type u_1) [inst : NontriviallyNormedField 𝕜]
  [inst_1 : SeminormedAddCommGroup E] [inst_2 : NormedSpace 𝕜 E] [inst_3 : SeminormedAddCommGroup F]
  [inst_4 : NormedSpace 𝕜 F] [inst_5 : IsEmpty ι] (f g : F),
  ContinuousAlternatingMap.constOfIsEmpty 𝕜 E ι (f + g) = ContinuousAlternatingMap.constOfIsEmpty 𝕜 E ι (f + g)