kanovei at wminf2.math.uni-wuppertal.de
Mon Oct 5 12:08:30 EDT 1998
<if one is an ultrafinitist, one may flatly deny that proofs of
<sufficiently large finite size whose existence can be deduced formally
<(though they are in practice completely unsurveyable) even exist, much
<less prove anything.
Is there any example of a proof (concrete proof, I mean,
not a hypothesis of its existence), seriously denied
exactly by the reason that it is too long ?
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