On 09 Aug 2016, at 23:30, John Clark wrote:
On Mon, Aug 8, 2016 at 8:51 PM, Brent Meeker <meeke...@verizon.net>
wrote:
> I think the default assumption is that consciousness
supervenes on the brain, so two different brains will realize two
different consciousnesses because they are at different locations
and perceiving different things.
But in general it's not true that they will perceiving
different things, if you were the identical copy and in a
symmetrical environment and facing your original the two of you
would see identical things, and if your position was instantaneously
exchanged with the original there would be no change in your
consciousness or of that of the original, neither of you could even
tell an exchange had occurred. So in that situation how could it
make sense to talk of "two different consciousnesses" when there
is clearly no difference between them?
And this shows that you agree (implicitly at least) that in the step 3
case, the two identical bodies interact with quite different
environment, and get their consciousness bifurcating/differentiating.
The "identical copies" could not predict the first person result of
the differentiation. That follows from question 1 and question 2,
notably, or question 1a and question 1b, + question 2, to take account
of a remark by Bruce.
Bruno
John K Clark
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