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From: Richard Damon <richard@damon-family.org>
Newsgroups: sci.math
Subject: Re: The set of necessary FISONs
Date: Tue, 28 Jan 2025 23:07:19 -0500
Organization: i2pn2 (i2pn.org)
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On 1/28/25 10:22 AM, WM wrote:
> On 28.01.2025 13:45, Richard Damon wrote:
>> On 1/28/25 4:21 AM, WM wrote:
>>> On 28.01.2025 00:32, Richard Damon wrote:
>>>> On 1/27/25 9:33 AM, WM wrote:
>>>
>>>>> Also an infinite set needs a first element. But no FISON is 
>>>>> necessary or sufficient.
>>>
>>>> Which means the set of "necessary FISONs" doesn't exist.
>>>
>>> The set of useful FISONs does not exist. Otherwise name the first one.
>>
>> You need to define "useful".
> 
> A FISON is useful if its removal changes the union.
> 
> Regards, WM

So, you agree then that you whole concept of FISONs are not useful when 
you start from the infinite set of them.

OF course, the start of your problem is that your logic can't make that 
infinite set in the first place to work at removing any from the set.

Sorry, you are just proving your stupidity.