On 09 Apr 2015, at 03:30, Bruce Kellett wrote:
meekerdb wrote:
On 4/8/2015 4:29 PM, Bruce Kellett wrote:
'Yes doctor' fails because the necessary starting conditions
cannot be realized for physical reasons.
This does not mean that one cannot create a physical computer that
completely models the human brain -- in other words, you could
create a conscious human-like entity. But you would necessarily
always create a /different/ person in this way, not a copy of an
existing person.
And not only because of initial conditions, but also because of
interaction with the environment. This can't be negligble, because
it is what makes the computations of the brain classical (or nearly
so) and besides the incidental interactions I think perception is
also necessary. Both of these will cause any replicated brain to
instantly diverge from it's original.
I think this is where Bruno appeals to FPI. But I think it is also
why you say that we need to simulate some or all of the environment
as well as the brain itself if we are to make sense of personal
survival.
At the moment, Bruno's dovetailer cannot do this because it picks
out only 'conscious moments' and does not find them only in
reproducible environments. There is no physics there, so Boltzmann
brains outnumber 'people' by infinity to one.
Proof?
If that is the cse, then computationalism is false. But you need more
than the 'number' of realization is arithmetic, you need to define the
"inside views" or the person points of view. This add the constraints
whioch up to now show that we have a non trivial physics. I guess I
might explain more on this later.
Bruno
Bruce
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