∀ (𝕜 : Type u_1) (G : Type u_2) (G' : Type u_3) [inst : NontriviallyNormedField 𝕜] [inst_1 : NormedAddCommGroup G]
  [inst_2 : NormedSpace 𝕜 G] [inst_3 : NormedAddCommGroup G'] [inst_4 : NormedSpace 𝕜 G']
  (x x_1 : ContinuousMultilinearMap 𝕜 (fun i => G) G'), (x + x_1).curry0 = (x + x_1).curry0