Liste des Groupes | Revenir à s math |
On 25/06/2024 21:18, WM wrote:
A more interesting question; suppose a set containing an infinite number of 9's.If the nines are not different by some indices, then the set has only one element.
Now copy that set and add a 2.Of course, since it contains every element of the first set and one more element.
Is the second set bigger than the first set?
Les messages affichés proviennent d'usenet.