[FOM] Proving FLT in PA
Ben Crowell
fomcrowell06 at lightandmatter.com
Mon Feb 27 11:41:21 EST 2006
Harvey Friedman wrote:
>Here are two possible explanations. [...]
>1. These mathematicians are truly entirely comfortable with the present
>situation, in that they are true believers in quite strong forms of
>Platonism. In particular, they see nothing at all problematic about
>Grothendieck universes, strongly inaccessible cardinals, and the like. They
>are no less problematic, for them, than the ring of integers.
>2. They are trying to thumb their nose deliberately at the very idea that
>mathematics need be formalized in any sense - or would even benefit from
>being formalized in any sense.[...]
How about:
3. They're convinced that the proof could be reworked so that it would
only use ZFC, but they see it as a waste of time to carry out the
routine steps that would be necessary. This would be like publishing
a proof using infinitesimals, knowing that it could be rewritten
using limits, and not feeling that anything would be gained by
the rewrite.
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