∀ (𝕜 : Type u_2) (E : Type u_3) (F : Type u_1) (ι : Type u_4) [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] (x : F),
  (fun f => f 0) (ContinuousAlternatingMap.constOfIsEmpty 𝕜 E ι x) = x