Timeline for Slightly finer topology on a connected space
Current License: CC BY-SA 4.0
7 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
Dec 11, 2018 at 23:17 | comment | added | Joel David Hamkins | Yes, that is right, this counterexample seems totally fine. | |
Dec 11, 2018 at 23:10 | comment | added | aposyndetic | but $S$ contains $0$ | |
Dec 11, 2018 at 22:39 | comment | added | aposyndetic | But isn't $(-\infty,0)\cup S$ open, with open complement? | |
Dec 11, 2018 at 18:35 | comment | added | aposyndetic | I think it is false because what if $X=\mathbb R$ in the usual topology and $S=\mathbb Q \cap (-\infty,0]$. | |
Dec 11, 2018 at 18:15 | review | Close votes | |||
Dec 12, 2018 at 20:36 | |||||
Dec 11, 2018 at 17:45 | review | First posts | |||
Dec 11, 2018 at 17:56 | |||||
Dec 11, 2018 at 17:42 | history | asked | aposyndetic | CC BY-SA 4.0 |