How can I show that the collection A composed of empty set and all cofinite subsets of X Is a sets whose complement is finite, form a topology on X. Can I call it the cofinite topology of X? Will the cofinite topology be Hausdorf?
How can I show that the collection A composed of empty set and all cofinite subsets of X Is a sets whose complement is finite, form a topology on X. Can I call it the cofinite topology of X? Will the cofinite topology be Hausdorf?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.1: Sets
Problem 26E
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How can I show that the collection A composed of empty set and all cofinite subsets of X Is a sets whose complement is finite, form a topology on X. Can I call it the cofinite topology of X? Will the cofinite topology be Hausdorf?
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