On 7/9/2021 4:40 PM, Lawrence Crowell wrote:
On Wednesday, July 7, 2021 at 9:29:24 PM UTC-5 Brent wrote:
On 7/7/2021 2:04 PM, Jason Resch wrote:
On Wed, Jul 7, 2021 at 3:43 PM 'Brent Meeker' via Everything List
<everyth...@googlegroups.com> wrote:
On 7/7/2021 10:09 AM, Jason Resch wrote:
On Wed, Jul 7, 2021 at 11:53 AM 'Brent Meeker' via
Everything List <everyth...@googlegroups.com> wrote:
On 7/7/2021 2:24 AM, Jason Resch wrote:
On Wed, Jul 7, 2021, 12:14 AM 'Brent Meeker' via
Everything List <everyth...@googlegroups.com> wrote:
On 7/6/2021 6:50 PM, Jason Resch wrote:
On Tue, Jul 6, 2021, 9:39 PM Bruce Kellett
<bhkel...@gmail.com> wrote:
On Wed, Jul 7, 2021 at 11:29 AM Jason Resch
<jason...@gmail.com> wrote:
On Tue, Jul 6, 2021, 4:07 PM 'Brent
Meeker' via Everything List
<everyth...@googlegroups.com> wrote:
On 7/6/2021 10:34 AM, Jason Resch wrote:
On Tue, Jul 6, 2021 at 12:27 PM
'Brent Meeker' via Everything List
<everyth...@googlegroups.com> wrote:
And you're never going to find a
being that behaves intelligently
based on information that can be
quantum erased.
You need only a quantum computer with
enough qubits.
Can you prove that? How does this
quantum intelligence ever arrive at a
definite decision?
Prove? No. But I think I can justify it:
1. Quantum computers are Turing
equivalent, they can compute anything a
classical computer can.
2. Human brains are believed to operate
according to physical laws, all known of
which are computable.
3. Humans are conscious.
4. By any of: Chalmers's principle of
"Organizational invariance", or "multiple
realizability", or the "Generalized
Anti-Zombie Principle", or the
"computational theory of mind", a
functionally equivalent computation to
that of a conscious human brain will be
equivalently conscious to that brain.
5. Quantum computers are reversible.
By 1 & 2, a quantum computer can simulate
a human brain. By 3 & 4, such an emulation
will be conscious. By 5 any computation
performed by a quantum computer can be
quantum erased by reversing the circuit
back to its starting state.
It reaches a definite decision by virtue
of completing its processing before
ultimately being reversed. This prevents
an outside observer from learning the
decision, but it's made nonetheless during
the course of the processing.
How do you know that it has reached a definite
decision? Without having it print out some
irreversible record? If it prints out a
(pseudo-)classical record, the initial state
is not recoverable.
Bruce
By either:
1. Analyzing the circuit
But the question is whether such a circuit is possible.
Do you disagree with any of the five premises I defined
above? If not do you see a flaw in my reasoning or
conclusions? If not, then why shouldn't such a circuit
be possible?
This what I find dubious: /"It reaches a definite
decision by virtue of completing its processing before
ultimately being reversed. This prevents an outside
observer from learning the decision, but it's made
nonetheless during the course of the processing." /
First, I doubt that it both reach a definite decision
and have that quantum erasable.
If you doubt it reaches a certain definite decision state,
you could interrupt the quantum computer midway through its
processing and entangle yourself with one of its superposed
states to verify that the AI/mind was in a state of having
reached a definition conclusion.
?? If I do that by entangling with a superposition, then I
either collapse it or "I'm of two minds".
Yeah you spoil the process by interrupting it early, but it lets
you verify the computation reaches those intermediate states in
the course of its normal evolution, including in those that you
allow the algorithm to run to completion.
Second, you've made "decision" something internal.
Intelligence requires acting in the world.
The environment for this AI are the qubits initialized as
the input to the mind. It acts in this world by performing
actions that ultimately affect the output of this quantum
computation.
My original point was, "And you're never going to find a
being that behaves intelligently based on information that
can be quantum erased." In the environment A=0, B=0, and any
other set of A, B values the algorithm outputs B=1 and then
erases it. Is this intelligent behavior?
It's perhaps a thermostat level of intelligence, but you can make
it arbitrarily complex, as in Deutsch's AI example that does the
same thing as this simple circuit.
No matter how complex you make it (and maybe because you make it
complex) you cannot both act on it and quantum erase it. There's
a reason that intelligent beings live in a quasi-classical world.
They would never evolve in a world that was reversible. And as
Bruce points out, this world is not just statistically
irreversible, it's inherently irreversible because all but a
finite part is receding faster than the speed of light.
Brent
The accelerated expansion of the universe does not contribute to entropy.
The irreversibility of radiation doesn't increase the entropy of the
universe, but it increases the entropy of any local finite part.
Brent
The role of quantum decoherence is phenomenologically evident, in that
with wave function collapse or reduction quantum coherent states
become a statistical decoherent set. In one way or another quantum
entanglement is lost and qubits are either local due to MWI splitting,
maybe there is real collapse as in GRW or some other thing. I have a
different way of looking at this that does not involve these
interpretations.
LC
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