∀ {A : Type u_1} [inst : AddGroup A] [inst_1 : TopologicalSpace A] [ContinuousAdd A] {B : Type u_2}
  [inst_3 : AddGroup B] [inst_4 : TopologicalSpace B] {F : Type u_3} [inst_5 : FunLike F A B] [AddMonoidHomClass F A B]
  {φ : F}, Topology.IsQuotientMap ⇑φ → IsOpenQuotientMap ⇑φ