∀ {τ : Type u_1} [inst : AddMonoid τ] [inst_1 : TopologicalSpace τ] [inst_2 : ContinuousAdd τ] {α : Type u_2}
  [inst_3 : TopologicalSpace α] {ϕ₁ ϕ₂ : Flow τ α}, (∀ (t : τ) (x : α), ϕ₁.toFun t x = ϕ₂.toFun t x) → ϕ₁ = ϕ₂