On 29 Dec 2011, at 18:16, Evgenii Rudnyi wrote:
On 29.12.2011 16:48 Bruno Marchal said the following:
On 28 Dec 2011, at 21:57, meekerdb wrote:
...
Another question would be if such a car could be considered as an
observer in quantum
I don't know whether it's a Lobian machine or not; I guess that
depends on its program. But I'm pretty sure that being a big
macroscopic thing with lots of degrees of freedom and interaction
with the environment it will "collapse" wave functions.
Yes. From its first person point of view. It is a good idea to put
"collapse" in quotes. But I am not sure it needs to be macroscopic
for "collapsing" the wave. It needs to be macroscopic only for making
a de-collapsing impossible in practice. If information leaked to much
in the environment, we can no more erase it, and get back to the
initial pure state. But if QM is correct, even a black hole cannot
erase information, and that seems to explain some observable black
hole feature.
Well, some time ago Rex posted a quote about the rock:
http://blog.rudnyi.ru/2011/02/rock-and-information.html
In this respect, a question would be what is the difference between
a self-driving car and a rock. Both have a lot of degrees of freedom
and both interact.
Bruno, what do you mean by the first person view? Does a self-
driving car has it? Does a rock has it?
In the UDA, a first person point of view is described by the content
of its personal (but still sharable in some sense) diary.
In AUDA the first person discourse is defined by what is both
justifiable and true (it is a notion of rational knowledge, but it can
and must be extended to inferable and true in some self-transforming
context).
So a self-driving car is probably much more close to have a first
person view than a rock, especially if you make it possible for the
car to memorize its short term instances of computation (sensing,
planning, etc.) into a "long scenario involving herself".
The singularity point here will be when self-driving car will drink
alcohol and do crazy irresponsible moves on the road to impress other
cars.
The rock? It is not even an object, with comp, but a stable pattern in
a continuum of computational histories, that you don't have to reify.
*IF* you reify them, you might say that a rock is composed of
infinities of universal machine histories, including all universal
dovetailing, and it that sense the rock instantiate consciousness, but
even in that case, it does not make the perceptual rock object into a
person.
I more or less agree also with Chalmers' conclusions.The physical rock
(if we knew what that could be) is not known to physically implement
arbitrary complex computations. There is a statistical repetition in
rock and crystal which prevent turing universal grow. Consciousness
seems to incarnate person relatively to us only near in-equilibrium.
We might miss something about rock, of course. May be some rock are
alien disguised into rock, but then it is up to you to show me their
personal diaries. Are there still rock also?
Without unifying gravitation and the quantum; we can only say that we
still don't know what a rock is, and there are no evidence, in the
common everyday sense, for seeing a rock like a person (despite the
strong and perhaps deep poetical appeal of the idea).
Some Penrose pavements have a Turing universal grow, and they seem to
hide interesting von Neumann algebra. So I would already be far more
cautious with enough big quasi-crystals, and a long time ago, I
thought understanding that some star might collapse into exotic
quantum state of matter through elaborate internal quantum
computations. So to negate consciousness to some "outside body like
object" is always difficult, but in practice, we are interested only
in the doing or the possibility of sharing experiences with some
other. can we share something with that entity?
And with comp, the situation is worst. That's sharing is all we have.
And we have to derive what matter is from that first person sharing,
and explain what that unification of physical laws is all about, if
even possible, to have an idea of what a rock is.
In fine, the real question is do you accept your daughter marry a
rock? Does rock feels pain and should we create a committee to defend
the right of rocks? Can rock votes? It is more easy to understand that
this might make much more sense for the elaborate self-moving machines
of some futures, than for rocks. ... Self-driving cars rocks :)
Bruno
Evgenii
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