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From: WM <wolfgang.mueckenheim@tha.de>
Newsgroups: sci.math
Subject: Re: The set of necessary FISONs
Date: Sun, 23 Feb 2025 15:36:58 +0100
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On 23.02.2025 12:45, joes wrote:

> No, there are infinitely many FISONs. Why not?

Because ∀n ∈ U(F): |ℕ \ {1, 2, 3, ..., n}| = ℵo.

Regards, WM
>