On 4/30/2019 2:56 AM, Bruno Marchal wrote:
On 28 Apr 2019, at 21:57, 'Brent Meeker' via Everything List
<everything-list@googlegroups.com> wrote:
On 4/28/2019 8:33 AM, Bruno Marchal wrote:
Indexical Digital Mechanism, or simply Mechanism, is the idea that we can
survive with an artificial brain. It is the idea that my consciousness, or my
first-person experience, is invariant for some functional digital substitution
of my brain/body at some level of substitution (neurons, or perhaps atoms, or
quarks and electron, or strings, etc.).
But notice that already quantum mechanics strongly limits this.?? By Holevo's
theorem only half the information defining one's state can be read.??
OK. But that is easily explained (and predicted) by classical digital
mechanism. My first person is distributed on the infinitely many computations
coming from a refinement of the computation on any possible details below my
substitution level. So the ???parent matter??? available to a digital machine
(in the arithmetical reality) will appear to be not duplicable. But ??? ah, I
see you see the point below.
I agree that the brain processes instantiating thoughts that define our
memories and character are mostly classical and therefore can be read, there
will be, statistically, some variation between the original and a copy and
between two copies.????
Yes, but they don???t not endangered the personal identity. Like the
Washington-guy and the Moscow-guy remains the same person as the Helsinki guy,
despite differentiating a lot very quickly, especially after tasting the cup of
coffee!
So it becomes a question of whether this variation is significant...not whether it
can be eliminated by going to "some level of substitution???.
I am not sure I understand. By definition, the substitution level take into
account all what is relevant.
But definitions don't call the definidum into existence.?? By definition
God is omnipotent.?? But that doesn't mean there's an omnipotent being.
Brent
If that needs all decimal of the real numbers used by a physical description,
then Digital Mechanism is wrong, per definition, and we are out of the scope of
my working hypothesis.
Bruno
Brent
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