∀ (𝕜 : Type u) {ι : Type v} (E : ι → Type wE) {G : Type wG} [inst : NontriviallyNormedField 𝕜]
  [inst_1 : (i : ι) → SeminormedAddCommGroup (E i)] [inst_2 : (i : ι) → NormedSpace 𝕜 (E i)]
  [inst_3 : SeminormedAddCommGroup G] [inst_4 : NormedSpace 𝕜 G] [inst_5 : Fintype ι] [inst_6 : IsEmpty ι] (x : G),
  ‖ContinuousMultilinearMap.constOfIsEmpty 𝕜 E x‖ = ‖x‖