Timeline for Can the Boolean Algebra of regular open sets be isomorphic to ${\cal P}(\omega)/(\text{fin})$?
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 20, 2018 at 14:45 | comment | added | KP Hart | no separation axioms needed; that algebra is always complete: $\sup\mathcal{O}=\operatorname{int}\operatorname{cl}(\bigcup\mathcal{O})$. | |
| Sep 20, 2018 at 12:37 | history | answered | Tomasz Kania | CC BY-SA 4.0 |