Re: All infinities are countable in ordinary mathematics

On 05/09/2025 06:21 AM, Julio Di Egidio wrote:

On 09/05/2025 02:26, Ross Finlayson wrote:

On 05/08/2025 12:45 PM, Chris M. Thomasson wrote:

On 5/6/2025 1:59 PM, FromTheRafters wrote:

Chris M. Thomasson explained :

On 5/6/2025 7:48 AM, Julio Di Egidio wrote:

On 06/05/2025 16:31, Julio Di Egidio wrote:

On 06/05/2025 14:10, Julio Di Egidio wrote:

>

Or, as we say around here, `lim_{n->oo} n = oo`,
aka "the point at infinity".

>
Aka "(infinity is) the point at infinity".

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Wrt projection we can create a finite point in space and just call it
a point at infinity. However it is not infinity?... ;^)

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That depends upon the space selected. :)

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It's kind of like choosing a "really" large number wrt the naturals.
Say, okay, for our purposes, this is infinity, even though its not?

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https://www.youtube.com/watch?v=9r-HbQZDkU0&list=PLb7rLSBiE7F4_E-POURNmVLwp-dyzjYr-&index=29
>
>
"Logos 2000: natural infinities"

>
Before I call you sons of bitches names, can I
please ask you:
>
On 06/05/2025 16:31, I have posted a message with
links to articles that starts with "Here is a very
interesting one"?
>
Can you see that message at all?
>
Julio
>

It was about "fixed-point", with regards to fixed-point theorems,
it's a sort of usual thing then with regards to "point at infinity".
It seemed not saying much, ....