Re: Contradiction of bijections as a measure for infinite sets

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Sujet : Re: Contradiction of bijections as a measure for infinite sets
De : FTR (at) *nospam* nomail.afraid.org (FromTheRafters)
Groupes : sci.math
Date : 01. Apr 2024, 18:30:56
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Organisation : Peripheral Visions
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WM wrote on 4/1/2024 :
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.
So, that's not the way to show it.

Date Sujet#  Auteur
24 Mar 24 * V1414WM
24 Mar 24 +* Re: V20Chris M. Thomasson
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31 Mar 24 ii    i  i    `* Re: Contradiction of bijections as a measure for infinite sets1273WM
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