Sujet : Re: Replacement of Cardinality
De : richard (at) *nospam* damon-family.org (Richard Damon)
Groupes : sci.logic sci.mathDate : 16. Aug 2024, 17:08:33
Autres entêtes
Organisation : i2pn2 (i2pn.org)
Message-ID : <cf291f02a1393278b076b39122bffcaed5ec3f48@i2pn2.org>
References : 1 2 3 4 5 6 7 8 9 10 11
User-Agent : Mozilla Thunderbird
On 8/15/24 9:57 AM, WM wrote:
Le 14/08/2024 à 21:01, "Chris M. Thomasson" a écrit :
On 8/14/2024 5:28 AM, WM wrote:
The existence of a smallest unit fraction is the only alternative to the existence of more than one at a real point.
>
There is no smallest unit fraction,
There is a smallest one because all are separated:
∀n ∈ ℕ: 1/n - 1/(n+1) > 0
Regards, WM
Actually, that statement says that there is no smallest, as for every 1/n there exist a smaller 1/(n+1).
If n+1 didn't exist, then your statement wouldn't be true for all n.