Sujet : Re: How many different unit fractions are lessorequal than all unit fractions? (infinitary)
De : invalid (at) *nospam* example.invalid (Moebius)
Groupes : sci.mathDate : 17. Oct 2024, 19:44:51
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <verlv3$2s4o7$1@dont-email.me>
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Am 17.10.2024 um 20:39 schrieb Alan Mackenzie:
In actual infinity we double ℕ and obtain neither ℕ or a subset of ℕ.
All of these "rules" are so loosely and ambiguously formulated, that they
don't actually say anything at all - they are meaningless.
Not so. He claims that (in the context of o u r math/set theory)
{2n : n e IN} c IN
does NOT hold! :-)