Re: The set of necessary FISONs

On 14.02.2025 20:48, Jim Burns wrote:

On 2/14/2025 8:02 AM, WM wrote:

The set of rows and the set of columns
are both the size of ⋃{F} and each other.

>
Yes, that is potentially infinite.

 The set of rows, the set of columns, and ⋃{F}
do not change.

Then it would need to contain ℕ, as an infinite FISON.

Bob is not anywhere he has swapped to.

Then your logic allows lossless exchanges with losses. Not acceptable.
Regards, WM