Liste des Groupes | Revenir à s logic |
On 27.11.2024 22:24, Richard Damon wrote:Which means that the "set of expressed numbers" has nothing to do with either actual or potential infinity, and thus not suitable to talk about here.On 11/27/24 3:55 PM, WM wrote:On 27.11.2024 15:19, Richard Damon wrote:
>Nope, EVERY unit fraction is expressible, by DEFINITION.But not in fact. In fact most are not expressible because there are infinitely many but only finitely many are expressible. Infinitely many minus finitely many are infinitely many.
>EVERY unit fraction is the recpircal of a natural number.No. There are infinitely many, but only finitely many can be expressed.
>
EVERY natural number is finitely expressable.>That is potential infinity. Actual or completed infinity is a fixed quantity larger than every natural number. The set of expressed numbers however remains finite in every instance.
There are an infinite number of finitly expressible numbers, since there is no fixed upper limit to the size of an expression to express it with.
Regards, WM
Les messages affichés proviennent d'usenet.