∀ {𝕜 : Type u_1} [inst : NontriviallyNormedField 𝕜] {E : Type u_2} [inst_1 : NormedAddCommGroup E]
  [inst_2 : NormedSpace 𝕜 E] {F : Type u_3} [inst_3 : NormedAddCommGroup F] [inst_4 : NormedSpace 𝕜 F] {G : Type u_4}
  [inst_5 : NormedAddCommGroup G] [inst_6 : NormedSpace 𝕜 G] {m : ℕ} (q : FormalMultilinearSeries 𝕜 F G)
  (p : FormalMultilinearSeries 𝕜 E F) (c : OrderedFinpartition m),
  (q.compAlongOrderedFinpartition p (c.extend none)).curryLeft =
    ((OrderedFinpartition.compAlongOrderedFinpartitionL 𝕜 E F G c).flipMultilinear fun i => p (c.partSize i)).comp
      ((q (c.length + 1)).curryLeft.comp ((continuousMultilinearCurryFin1 𝕜 E F) (p 1)))