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Am Tue, 19 Nov 2024 16:24:52 +0100 schrieb WM:
A true bijection between two sets proves that both sets have the same number of elements.Why? Because only potential infinity is involved. True bijections proveWhat is a "true" bijection?
equinumerosity.
It is "infinitely many" like Aleph_0.The number of ℕ \ {1} is 1 less than ℕ.And what, pray tell, is Aleph_0 - 1 ?
Then the numbers of elements would be identical.> There is a bijection.All of them do.
Only between numbers which have more successors than predecessors,
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