On 17 Jan 2014, at 01:34, Stathis Papaioannou wrote:
On 17 January 2014 01:17, Jason Resch <[email protected]> wrote:
On Jan 16, 2014, at 2:11 AM, Stathis Papaioannou
<[email protected]> wrote:
On 16 January 2014 16:26, Jason Resch <[email protected]> wrote:
The computational metaphor in the sense of the brain works like
the Intel
CPU inside the box on your desk is clearly misleading, but the
sense that
a
computer can in theory do everything your brain can do is almost
certainly
correct. It is not that the brain is like a computer, but rather,
that a
computer can be like almost anything, including your brain or
body, or
entire planet and all the people on it.
Jason
I think neuroscientists have, over decades, used the computational
metaphor in too literal a way. It is obviously not true that the
brain
is a digital computer, just as it is not true that the weather is a
digital computer. But a digital computer can simulate the
behaviour of
any physical process in the universe (if physics is computable),
including the behaviour of weather or the human brain. That means
that, at least, it would be possible to make a philosophical zombie
using a computer.
How does this follow? Personally I don't find the notion that
philosophical
zombies make logical sense at all.
I meant that if the physics of the brain is computable it follows as a
straighforward deduction that it would *at least* be possible to make
a philosophical zombie. It is then a further argument to show that it
would not be a zombie but a conscious being.
Right. You don't need the assumption that the physics of the brain is
computable. If nature can do a non computable brain and process it, we
might find in nature a way to imititate in a "natural" machine, so
that you can say yes to some non-comp doctor.
Your own argument work for your quite general functionalism!
p-zombie are logically conceivable, and I would say, some already
exist in some local sense, like sexual dolls in Japan, or fake
policeman on the roads.
With comp, the notion of zombie does not make sense, because, by
definition consciousness will supervene on a computation done at the
right level.
Zombie are logically conceivable, like comp can be logically conceived
to be false.
Bruno
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Stathis Papaioannou
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