Drexel dragonThe Math ForumDonate to the Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.

Math Forum » Discussions » sci.math.* » sci.math

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

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]

Posts: 8,833
Registered: 1/6/11
Re: (infinity) A real story
Posted: Oct 12, 2013 5:42 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

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


Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2015. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.