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From: joes <noreply@example.org>
Newsgroups: sci.math
Subject: Re: The set of necessary FISONs
Date: Tue, 18 Feb 2025 16:45:39 -0000 (UTC)
Organization: i2pn2 (i2pn.org)
Message-ID: <1c8c4e43283da583e55f14e9b54c0d8f07864c88@i2pn2.org>
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Am Tue, 18 Feb 2025 16:34:20 +0100 schrieb WM:
> On 18.02.2025 16:28, joes wrote:
>> Am Tue, 18 Feb 2025 16:18:52 +0100 schrieb WM:
>>> On 18.02.2025 11:09, joes wrote:
>>>> Am Tue, 18 Feb 2025 09:54:02 +0100 schrieb WM:
>>>
>>>>> Therefore I gave you an example that you should be able to
>>>>> understand:
>>>>> If every human has ended, then the human race has ended.
>>>>> Analogously: If every FISON has been removed without changing the
>>>>> union,
>>>>> then the set {F(1), F(2), F(3), ...} has been removed without
>>>>> changing the union.
>>>> But the union has changed from a nonempty set to an empty one.
>>> That's the proof. Nice that you now understand it.
>> Um, that proves that you cannot remove everything without changing the
>> union. What else could you have meant by that?
> We can remove every FISON without changing the *assumed* union ℕ.
It doesn’t matter what you assume the union to be. You quite sensibly
denied that it is empty, yet you claim it would (not? I’m confused)
change. 

-- 
Am Sat, 20 Jul 2024 12:35:31 +0000 schrieb WM in sci.math:
It is not guaranteed that n+1 exists for every n.