A Compactification with <i>θ</i>-Continuous Lifting Property
A Compactification with <i>θ</i>-Continuous Lifting Property
1. Let X be a topological space, and let X ′ be the set of all non-convergent ultrafilters on X . If A ⊆ X , let , and A * = A ∪ A ′. If is a filter on X such that for all , then let. be …