On 6/25/2014 11:48 AM, Jason Resch wrote:
Now I know Bruno will say this is just choosing the wrong level, but the
point is
that it's not just the level which is sufficient for interaction with
neurons, but
also the level which captures interaction with 'external' or 'environmental'
variables, especially perceptions. Then we must contemplate not just
replacing some
brain components, but simulating some of the external world. So it seems
to me
there is a tradeoff.
This is why Bruno often says you can assume the whole milky-way galaxy. Which makes no
theoretical difference once you assume the laws of physics are computable. If you
emulate a large enough volume, then it takes some FTL effect beyond the past light cone
of the emulated volume to mess things up.
Exactly. But that's why I don't find step 8 convincing. If you have to simulate so much
that you've essentially created a simulated world, then all you've shown is that a
simulated consciousness can exist in a simulated world and this is indpendent of the
physical substrate. It does not show that a simulated consciousness can exist in THIS
world without being physically instantiated in this world's physics.
Brent
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