Re: How many different unit fractions are lessorequal than all unit fractions? (infinitary)

On 10/27/24 3:38 AM, WM wrote:

Am 26.10.2024 um 21:35 schrieb Chris M. Thomasson:

On 10/26/2024 9:04 AM, WM wrote:

On 26.10.2024 05:21, Jim Burns wrote:

On 10/25/2024 3:15 PM, WM wrote:

>

Mainly, among other points, the claim that
all unit fractions can be defined and the claim that
a Bob can disappear in lossless exchanges.

>
The proof that all unit fractions can be defined
is to define them
as reciprocals of positive countable.to.from.0 numbers.
>
That describes all of them and only them.

>
No, you falsely assume that all natnumbers can be defined.

>
Huh? Confusing to me. Humm... Are you trying to suggest that a natural number can _not_ be a natural number?

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No. But most natnumbers cannot be defined. This can best be understood by the unit fractions.

 So, what is the line between the DEFINED natural numbers and the "not defined"?