theorem PiBase.Homeomorph.seqDiscreteSpace {X : Type u_1} {Y : Type u_2} [TopologicalSpace X] [TopologicalSpace Y] [h : SeqDiscreteSpace X] (f : X ≃ₜ Y) : SeqDiscreteSpace Y

theorem PiBase.WellDefined.seqDiscreteSpace : WellDefined SeqDiscreteSpace