Hi Norman,

> At last, I may be getting a glimmering of understanding of your point of
> view (which doesn't mean that I agree with you).  Thanks for your
> You seem to be saying that it is irrelevant if a Turing Machine, even one
> that operates at the speed of light, takes a billion years to simulate one
> second of a cubic meter of space.  The fact that it CAN simulate the cubic
> meter for one second, irrespective of the time it takes to do so, means
> the computationalist hypothesis is true.
> But, as you point out, this isn't a ''bona fide'' simulation because it's
> not in "real time."
> My problem is that if it's not bona fide then it's imaginary - a Harry
> Potter universe - and I don't understand how this imaginary happening can
> a proof of the computationalist hypothesis, or of anything else in the
> universe.

The observer living in the simulated universe perceives his universe in the
same way as we perceive our uiverse. He experiences the simulated time, not
our time. Because we are simulating our laws of physics, the simulated
observer won't be able to detect any deviations in the laws of physics in
any experiment. Only some boundary condistions, such as the size of the
observable part of his universe could be different because of the
fundamental limitations on simulations.


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