Timeline for Generalization of the club filter
Current License: CC BY-SA 2.5
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 1, 2019 at 1:30 | vote | accept | Noah Schweber | ||
| Dec 28, 2010 at 4:39 | comment | added | Jason | You may also want to tag this question with set-theory, axiom-of-choice, and ultrafilters to increase visibility. | |
| Dec 28, 2010 at 4:18 | answer | added | Jason | timeline score: 2 | |
| Dec 28, 2010 at 2:56 | answer | added | Andreas Blass | timeline score: 6 | |
| Dec 27, 2010 at 11:38 | comment | added | Amit Kumar Gupta | Also if choice fails, a countable union of countable sets might not even be countable I believe, and so the notion of "closed" might not even make sense in the generalized setting. | |
| Dec 27, 2010 at 11:35 | comment | added | Amit Kumar Gupta | In order for the clubs to form a filter, you need $\alpha$ to have uncountable cofinality. | |
| Dec 27, 2010 at 6:52 | history | asked | Noah Schweber | CC BY-SA 2.5 |