On 7/8/2011 2:59 PM, Stephen P. King wrote:
On 7/8/2011 2:44 PM, meekerdb wrote:
On 7/8/2011 5:46 AM, Craig Weinberg wrote:
That's what I thought he said. But I see no reason to suppose a UD is
> running, much less running without physics. We don't know of any
> computation that occurs immaterially.
All computation occurs materially and immaterially. An abacus doesn't
count itself. You ultimately have to have a conscious interpreter to
signify any particular text as quantitatively meaningful. Unplug all
monitors from all computers and what do you have left? Expensive
paperweights.
But the question is what makes a conscious interpreter conscious.
Would replacing part of your brain by artificial circuits that are
computationally equivalent preserve your consciousness? Your example
of computers without monitors makes a good point, but one I think
different from your intention. Computation must have some meaning,
at least implicitly. Meaning is conferred by interaction with the
world. Computers with monitors interact rather narrowly via humans.
But consider a computer that runs the utilities in a hospital or
flies an airliner. They don't need humans to look at a screen to
give meaning to their computation.
Brent
Hi Brent,
I found the papers of Marius Buliga
<http://arxiv.org/find/math/1/au:+Buliga_M/0/1/0/all/0/1> (For
example: http://arxiv.org/abs/1103.6007 )offer an interesting solution
to this problem! The point is that a model or map of a computer
becomes the territory of a model of the original model, so we break
the map vs. territory dichotomy. This bypasses the substitution
question completely, I think.
Onward!
Stephen
--
This post focuses on the question:
http://chorasimilarity.wordpress.com/2011/06/06/the-cartesian-theater-philosophy-of-mind-versus-aerography/
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