∀ {𝕂 : Type u_1} {𝔸 : Type u_2} [inst : Field 𝕂] [inst_1 : Ring 𝔸] [inst_2 : Algebra 𝕂 𝔸] [inst_3 : TopologicalSpace 𝔸]
  [inst_4 : IsTopologicalRing 𝔸] (a a_1 : 𝕂),
  a = a_1 → ∀ (b b_1 : 𝕂), b = b_1 → ∀ (c c_1 : 𝕂), c = c_1 → ∀ (x x_1 : 𝔸), x = x_1 → ₂F₁ a b c x = ₂F₁ a_1 b_1 c_1 x_1