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On 1/30/25 4:14 AM, WM wrote:Show the first element that cannot be discarded without changing the union.On 29.01.2025 13:46, Richard Damon wrote:I did.
>We can in fact build an infinite set of infinite sets of FISONs whose union is the set of Natural Numbers,>
>
Do it. Build such a set. I will show that it fails because all FISONs are useless for reaching the aim.
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