Sujet : Re: because g⤨(g⁻¹(x)) = g(y) [1/2] Re: how
De : wolfgang.mueckenheim (at) *nospam* tha.de (WM)
Groupes : sci.mathDate : 10. May 2024, 13:24:53
Autres entêtes
Organisation : Nemoweb
Message-ID : <shJNB8FAGhCaf3FJPKI8hS55Ycs@jntp>
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Le 09/05/2024 à 03:11, Moebius a écrit :
X\ℕ n ℕ = {}
or even
X\Y n Y = {}.
What an incredible insight!
Obviously more than you can grasp. The fact is this:
When removing elements of ℕ_def individually, then always ℵo elements remain.
When removing elements of ℕ collectively, then it is possible that no elements remain.
Regards, WM