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From: WM <wolfgang.mueckenheim@tha.de>
Newsgroups: sci.math
Subject: Re: The set of necessary FISONs
Date: Mon, 27 Jan 2025 12:13:38 +0100
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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