On 27 Feb 2012, at 17:11, marty684 wrote:
I've been reading The Origin of Physical Laws...and have a question
about the following quote:
"you can modify the device in such a way that the amount of physical
activity involved is
arbitrarily low, and even null for dreaming experience which has no
inputs and no outputs".
It seems to me that physical activity can never be arbitrarily low
or null because there will always be atomic motion going on, even in
But comp assumes a level where that activity is not relevant, and that
is enough for making the physical supervenience thesis absurd. If such
a level is relevant, then lower the comp subst level, until the
reasoning can be applied. If such a level does not exist, then matter
can exist primitively, OK, but you can no more believe that you will
survive an artificial brain transplant in virtue of the fact that it
enacts the right computation at some correct level.
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