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Topic: How many real numbers are there?
Replies: 18   Last Post: Jul 9, 2006 3:00 PM

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Toni Lassila

Posts: 536
Registered: 12/13/04
Re: How many real numbers are there?
Posted: Jul 7, 2006 4:46 PM
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On 7 Jul 2006 13:30:05 -0700, "Nathan" <ntspam2@netscape.net> wrote:

>Mike Deeth wrote:
>

>> It's well-known that a countable union of finite sets is countable.
>
>Nope! You said you were working in ZF. This requires AC.


No it doesn't.



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