Timeline for Prove that $ℕ^n$ is countable for every n∈ℕ.
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 17, 2014 at 6:54 | comment | added | P Vanchinathan | @ Stella Biderman. I don't deserve the credit. Not my original. Read it in American Math Monthly (don't know the author) 25 years ago. That proof was for rational numbers where $1/2$ is read as a base 11 integer treating the slash as digit 10. I reused for this case. | |
| Mar 17, 2014 at 3:55 | comment | added | Stella Biderman | Never seen that before! That's pretty clever :) | |
| Mar 17, 2014 at 1:37 | history | answered | P Vanchinathan | CC BY-SA 3.0 |