On Fri, Jan 23, 2015 at 10:15 PM, meekerdb <[email protected]> wrote:

>  On 1/23/2015 8:16 AM, Jason Resch wrote:
>
>
>
> On Friday, January 23, 2015, John Clark <[email protected]> wrote:
> >
> > On Thu, Jan 22, 2015 at 4:46 PM, Jason Resch <[email protected]>
> wrote
> >
> >>> >> Do we know that? Do we know that such a digit exists?
> >>
> >> > It follows from the axioms that there is a certain definite digit.
> >
> > They show you how to generate terms in a sequence and if you add up
> enough of them you'd get the the 10^(10^(10^100))th decimal digit of pi;
> but it assumes that there is no barrier that makes doing that impossible
> and states that assumption with 3 little dots (...).  I don't know for
> certain but those 3 little dots *might* be saying something that is logical
> nonsense,  I do know for certain that the first mathematicians who used
> those 3 little dots knew nothing about quantum mechanics or the
> computational limit of the universe, and that gives me pause.
> >
>
> What I explained is that if you think there is a largest number *that* is
> what definitely leads to logical nonsense.
>
> Say there is a largest number N, such that N+1 is not a bigger number, but
> is still N. That means N+0 = N+1. Now subtract N from both sides.
>
>
> Why should subtraction of the biggest number not obey special rules, e.g.
> Subtracting N from any normal number yields -N.  Subtracting N from any Big
> number yields zero.
>

I still don't know if that would escape the problems. Let's say M is the
number right before the biggest number (or any "Big numbers"). Then using
your rules you find that:

M - (M+1) = 0     --- or is it -N?
but
(M - M) + 1 = 1

It might be possible to come up with axioms that allow you to have a
biggest number that operates in a consistent way, but I think it would be
very difficult, and probably not very useful. Nor do I see the point of
hobbling a theory (supposedly about the infinite natural numbers) by
declaring some aspects of that theory to be strictly off limits and beyond
the possibility of discussion.

Jason

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