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Topic: (infinity) A real story
Replies: 9   Last Post: Oct 16, 2013 9:08 PM

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Virgil

Posts: 7,021
Registered: 1/6/11
Re: (infinity) A real story
Posted: Oct 12, 2013 5:42 PM
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In article <a93aa07c-8477-479d-a4ab-00c10433b175@googlegroups.com>,
mueckenh@rz.fh-augsburg.de wrote:

> On Saturday, 12 October 2013 20:39:48 UTC+2, Julio Di Egidio wrote:
>

> > Note that the diagonal is in 1-to-1 correspondence with the last line, in
> > the finite as in the infinite: plain geometry.

>
> Correct. But there is no line with aleph_0 elements


But there are columns with aleph_0 many elements
and no last element. And any column is as much a set as any row.
>
> 1
> 2, 1
> 3, 2, 1
> ...
>
> Regards, WM

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