Re: Contradiction of bijections as a measure for infinite sets

Liste des GroupesRevenir à physics 
Sujet : Re: Contradiction of bijections as a measure for infinite sets
De : wolfgang.mueckenheim (at) *nospam* tha.de (WM)
Groupes : sci.math
Date : 01. Apr 2024, 16:37:44
Autres entêtes
Organisation : Nemoweb
Message-ID : <nVHZfuyg7O6FHCXZXigDgC2s8EU@jntp>
References : 1 2 3 4 5 6 7 8 9 10
User-Agent : Nemo/0.999a
Le 31/03/2024 à 20:18, Richard Damon a écrit :
On 3/31/24 8:15 AM, WM wrote:

And, it can be shown that ℕ and ℚ are the same size.
>
That is believed by some stupids who are too dense to understand logic. The Os in the matrix
XOOO...
XOOO...
XOOO...
XOOO...
..
cannot disappear by exchange with Xs.
>
So?
>
That isn't the Bijection we are looking for.
 It is true for every mapping.
 Nope, only if you try to biject WITH a set, and not between two DIFFERENT sets.
The different sets are ℕ and ℚ. The bijection with the first column does not change that.
Regards, WM

Date Sujet#  Auteur
23 Dec 24 o 

Haut de la page

Les messages affichés proviennent d'usenet.

NewsPortal