Timeline for The cardinal of the closure of a set in a topological space
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 29, 2020 at 11:39 | comment | added | bof | And (assuming $A$ is infinite) the bound is attained by the Cantor space $2^{2^A}$ which has a dense subset with the same cardinality as $A$, e,g., the set of all functions $f:2^A\to2$ such that $f(x)$ depends on only finitely many coordinates of $x\in2^A$. | |
| Oct 29, 2020 at 9:42 | history | answered | YCor | CC BY-SA 4.0 |