theorem PiBase.Homeomorph.cardLeContinuum {X : Type u} {Y : Type v} [TopologicalSpace X] [TopologicalSpace Y] [h : CardLeContinuum X] (f : X ≃ₜ Y) : CardLeContinuum Y

theorem PiBase.WellDefined.cardLeContinuum : WellDefined fun (X : Type u) [TopologicalSpace X] => CardLeContinuum X