On 17 Aug 2012, at 22:57, Roger wrote:
I donb't seem to be able to convince Stanley Salthe of this, but
I think that life must have two irreplaceable qualities:
1) Autonomous intelligence, that intelligence of nature found in
our fine-tuned world.
2) What amounts to the same thing, the freedom to pick and choose -
usually what one desires.
(self-determination, not exactly free will).
I am OK with you. Unless you meant this in some explicit non-comp
perspective, 'course.
Bruno
Roger , rclo...@verizon.net
8/17/2012
Leibniz would say, "If there's no God, we'd have to invent him so
everything could function."
----- Receiving the following content -----
From: Bruno Marchal
Receiver: everything-list
Time: 2012-08-16, 12:09:48
Subject: Re: Is life computable ?
On 16 Aug 2012, at 16:47, Roger wrote:
Hi Bruno Marchal
Has anybody ever provided a proof that life is a computable entity ?
Nobody agrees on what life is.
If it is material, then life is not emulable.
If it is a more abstract information exchange, then it might be.
Keep in mind that, contrarily to a widespread belief, comp makes
consciousness and matter not being emulable by a computer. Indeed,
consciousness and matter are based on the statistics on all
computations going through my actual state, and that is a complex
infinite set, which can not even be described in any finite way.
"Life" is a fuzzy notion, so it is hard to answer precisely. I
usually define it by self-reproduction, and in that sense, life is
easy to emulate, unlike consciousness. But if you attach
consciousness to the notion of life, then the answer in the comp
theory is that life is in platonia/God/arithmetical truth, not on
earth, and we cannot emulate it. We can still accept an artificial
brain, as they might be a level where the emulation of it will make
it possible for my consciousness (in Platonia) to manifest itself
relatively to you.
With comp, the mind body relation is not the one we usually believe
in. We can, rather conventionally, ascribe a mind to a body, but we
cannot ascribe a body to a mind: only an infinity of bodies.
With comp, my consciousness is in platonia, and manifests itself in
infinities of "incarnation", that is local implementation relatively
to stabilizing universal number/machine, if they exist. To be sure,
such existence remains to be proved, but evidences already exists
and are rather strong, imo.
Bruno
Roger , rclo...@verizon.net
8/16/2012
Leibniz would say, "If there's no God, we'd have to invent him so
everything could function."
----- Receiving the following content -----
From: Bruno Marchal
Receiver: everything-list
Time: 2012-08-15, 04:44:09
Subject: Re: Why AI is impossible
On 14 Aug 2012, at 20:16, William R. Buckley wrote:
John:
Regardless of your dislike for the term omniscience versus
universality, the Turing machine
can compute all computable computations, and this simply by virtue
of its construction.
It is deeper than that. It is in virtue of the fact that the set of
computable functions, unlike all other sets in math, is closed for
the diagonalization, and the price for this is incompleteness. It
is not trivial, and makes computational universality rather
exceptional and unexpected. The discovery of the universal machine
is a very big discovery, of the type: it changes everything we
knew. I think.
For beliefs, knowledge, proofs, definability, etc. This never
happens, and the corresponding formal systems can always been
extended.
Bruno
wrb
From: everything-list@googlegroups.com [mailto:everything-list@googlegroups.com
] On Behalf Of John Clark
Sent: Tuesday, August 14, 2012 9:39 AM
To: everything-list@googlegroups.com
Subject: Re: Why AI is impossible
On Mon, Aug 13, 2012 at 8:09 PM, William R. Buckley <bill.buck...@gmail.com
> wrote:
> Consider that the Turing machine is computational omniscient[...]
Turing's entire reason for inventing what we now call a Turing
Machine was to prove that computational omniscience is NOT
possible. He rigorously proved that no Turing Machine, that is to
say no computer, can determine in advance if any given computer
program will eventually stop.
For example, it would be very easy to write a program to look for
the first even number greater than 2 that is not the sum of two
prime numbers and then stop. But will the machine ever stop? The
Turing Machine doesn't know, I don't know, you don't know, nobody
knows. Maybe it will stop in the next 5 seconds, maybe it will
stop in 5 billion years, maybe it will never stop. If you want to
know what the machine will do you just have to watch it and see,
and even the machine doesn't know what it will do until it does it.
John K Clark
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