[PLUG-TALK] "In the realm of the provable, name one infinite thing"

[Bill Barry]

The set of negative integers {-1,-2,-3,...} is infinite and countable
and can be put into a one to one correspondence with the non-negative
integers.

Bill

On Tue, Feb 10, 2009 at 3:32 PM, Andrew Becherer <andrew at becherer.org> wrote:
> The set consisting of all non-negative integers, {0,1,2,3,4,...}, is
> infinite (and countable). Anyone else?
>
> --
> Andrew
>
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