On 26 June 2014 09:08, meekerdb <meeke...@verizon.net> wrote:

>  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.
>

Not quite. If you assume no zombies, then you've shown that an *actual*
consciousness can exist in a simulated world.

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