Re: All infinities are countable in ordinary mathematics

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Sujet : Re: All infinities are countable in ordinary mathematics
De : FTR (at) *nospam* nomail.afraid.org (FromTheRafters)
Groupes : sci.math
Date : 09. May 2025, 20:07:04
Autres entêtes
Organisation : Peripheral Visions
Message-ID : <vvljov$30031$1@dont-email.me>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14
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Julio Di Egidio formulated on Tuesday :
On 06/05/2025 14:10, Julio Di Egidio wrote:
On 06/05/2025 01:57, Julio Di Egidio wrote:
 
Speaking of which, what do you even think this thread is
about??  THERE IS NO SUCH THING AS THE EXTRA-ORDINARY,
in ordinary and/or concrete (foundational!) mathematics:
so in any mathematics!  That's eventually my thesis.
 The underlying presumption being that a mathematics that
cannot be instantiated is at best an exercise in futility.
 
Now try and give me a counter-example... that does not
rely on [i.e. assume] the real numbers being uncountable.
 You cannot, can you.  LOL
>
Here is a very interesting one [*], M. Rathjen,
This one?

Date Sujet#  Auteur
4 May 25 * All infinities are countable in ordinary mathematics23Julio Di Egidio
4 May 25 +* Re: All infinities are countable in ordinary mathematics20Julio Di Egidio
4 May 25 i`* Re: All infinities are countable in ordinary mathematics19Julio Di Egidio
4 May 25 i `* Re: All infinities are countable in ordinary mathematics18Ross Finlayson
4 May 25 i  `* Re: All infinities are countable in ordinary mathematics17Julio Di Egidio
5 May 25 i   `* Re: All infinities are countable in ordinary mathematics16Ross Finlayson
5 May 25 i    `* Re: All infinities are countable in ordinary mathematics15Julio Di Egidio
5 May 25 i     `* Re: All infinities are countable in ordinary mathematics14Julio Di Egidio
6 May 25 i      `* Re: All infinities are countable in ordinary mathematics13Julio Di Egidio
6 May 25 i       +- Re: All infinities are countable in ordinary mathematics1Julio Di Egidio
6 May 25 i       `* Re: All infinities are countable in ordinary mathematics11Julio Di Egidio
6 May 25 i        `* Re: All infinities are countable in ordinary mathematics10Julio Di Egidio
6 May 25 i         +* Re: All infinities are countable in ordinary mathematics8Julio Di Egidio
6 May 25 i         i`* Re: All infinities are countable in ordinary mathematics7Chris M. Thomasson
6 May 25 i         i `* Re: All infinities are countable in ordinary mathematics6FromTheRafters
8 May 25 i         i  `* Re: All infinities are countable in ordinary mathematics5Chris M. Thomasson
8 May 25 i         i   +- Re: All infinities are countable in ordinary mathematics1FromTheRafters
9 May 25 i         i   `* Re: All infinities are countable in ordinary mathematics3Ross Finlayson
9 May 25 i         i    `* Re: All infinities are countable in ordinary mathematics2Julio Di Egidio
9 May 25 i         i     `- Re: All infinities are countable in ordinary mathematics1Ross Finlayson
9 May 25 i         `- Re: All infinities are countable in ordinary mathematics1FromTheRafters
4 May 25 `* Re: All infinities are countable in ordinary mathematics2Chris M. Thomasson
4 May 25  `- Re: All infinities are countable in ordinary mathematics1Chris M. Thomasson

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