{α : Type u_2} →
  [inst : TopologicalSpace α] →
    {x : α} →
      {motive : TopologicalSpace.OpenNhdsOf x → Sort u} →
        ((toOpens : TopologicalSpace.Opens α) →
            (mem' : x ∈ toOpens.carrier) → motive { toOpens := toOpens, mem' := mem' }) →
          (t : TopologicalSpace.OpenNhdsOf x) → motive t