On 26 Mar 2014, at 22:30, Stathis Papaioannou wrote:
On Thursday, March 27, 2014, Russell Standish
<[email protected]> wrote:
On Wed, Mar 26, 2014 at 05:06:46PM +1100, Stathis Papaioannou wrote:
>
> The engineering tolerance of the brain must be finite (and far
higher than the Planck level) if we are to survive from moment to
moment, and that implies there are only a finite number of possible
brains and hence mental states.
>
Steady on, I don't think it does that at all, unless you constrain the
physical world to be bounded somehow in both space and time.
I think you were just trying to say that the space of brains (and
mental states) is discrete, something I could agree with.
Unless you allow brains to grow infinitely big, there are only a
finite number of possible brains even in an infinite universe.
Assuming comp. If the brain is defined by its "material" quantum
state, and assuming electron position is a continuous observable, then
we can have an infinity of brains, even when limiting their size.
Bruno
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Stathis Papaioannou
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