On 1/22/2014 10:38 PM, LizR wrote:
On 23 January 2014 19:35, meekerdb <[email protected] <mailto:[email protected]>>
wrote:
On 1/22/2014 10:21 PM, LizR wrote:
The real world doesn't add raindrops, or most other things we think of
as
entities - adding raindrops isn't 1+1, nature is really adding
something like
10^25 atoms to another 10^25. But it _does_ add bosons in a BEC. Even
when the
constituents are indistinguishable, nature can perform simple
arithmetic with them.
I'd say *we* perform simple arithmetic to describe them - but only when we
correctly
recognize what is countable and what isn't. So the truth of Ax(x=/=x+1) is
in
Platonia.
Platonia? Where's that, then?
In our heads and in our language (and publications of the AMS).
Brent
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