Norman K. McPhail wrote:
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> Don Mikulecky wrote:
> >
> > Don Mikulecky replies:
> >
> > Well I was trying to get him to come right out and say that he was heading
> > towards
> > the Universal Turing machine. The answer to you is yes. If You can
disretize
> > the
> > sets...go from analog to digital...there is no problem... With the Turing
> > machine we
> > get into the infinite tape problem...it is NOT realizable!
> > Don
> >
>
> Don:
>
> I want to make sure I understand what you are saying here. Is it just
> that our machine will always get bound up in the infinite tape problem.
> We would interpret this to mean that it is NOT a truly universal
> simulator or model maker? So whether our machine is using analog or
> digital, sequential or parallels processing makes no difference. It may
> be a spectacular super computer, but it can never duplicate a thing like
> life.
>
> I've found that a good way to think about this fallacy is in terms of
> Frank Tipler's immortality machine. Recall he predicts that we will all
> live again and be immortal in some future all powerful super computer.
> See THE PHYSICS OF IMMORTALITY.
>
> In contrast, what we're saying here is that this is NOT realizable in a
> machine no matter how powerful it is. So we ought not to expect that at
> some point in the future we will all become immortal as Tipler predicts
> and live our lives forever in a machine. This is just another way of
> saying that a machine can't ever come close to mapping qualities that
> emerge from the modeling relation.
>
> Norm
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