Re: The set of necessary FISONs

On 26.01.2025 20:06, joes wrote:

Am Sun, 26 Jan 2025 19:08:08 +0100 schrieb WM:

But no actually infinite set is possible.
{1}
{2, 1}
{3, 2, 1}
...
The length of the first column gives the cardinality.

The length? You gave an infinite list. Every column is infinite.

No row is infinite. No column is longer than all rows. All rows and
columns belong to potentially infinite collections.

All columns are infinite.

No column is greater than all rows. All rows are finite. No column is actually infinite, i.e., has length |ℕ|.
Regards, WM