On 31 Mar 2011, at 23:41, Nick Prince wrote:
With both QTI and COMP-TI we cannot go from being very old to being a
baby. We can may be get slowly younger and younger in a more
continuous way, by little backtracking. We always survive in the most
normal world compatible with our states. But some kind of jumps are
Maybe what I am trying to say is that very old or dying brains might
deterorate in a specific way that allows the transition from an old to
a young mind i.e. the decaying brain becomes in some way homomorphic
to a young brain.
At the software level of the brain, I think that this is very
plausible. It already happens during sleep, and with some drugs. But
this can take many modalities. Darwinian selection might even have
selected "brain features" helping the recovering of shocks and
disease. And what is best than a little visit in Mother Platonia :)
That the dead brain does that, is more Harry Potter like, but then
dying consists in following the most normal world where we survive,
and this, very plausibly, is not a *very* normal world, despite it
obeys the same physical laws. Eventually, where you go, might even
depend on you and on what you identify yourself with.
Indeed this defines the consciousness I am
considering and is therefore subtrate dependent.
The UD reasoning shows that there is just no substrate at all. The
apparent 'substrate" is "made-of" (an internal sort of projection) an
infinity of (digital) computations, that is number relations.
If all of physics
can be simulated on a computer then no problem.
Well, the substrate is not simulable on a computer. At least not a
priori. But your reasoning still go through, given that your mind is a
sort of truncation from that substrate, and that, by definition, you
survive on the (infinitely many) computations where you survive. But
this is indeterminate, if only because we cannot know our level of
If you accept the classical theory of knowledge, it is easy. Computer
are already conscious. They have not the tools to manifest their
consciousness, and by programming them, we don't help them with that
respect. Consciousness is not programmable. It exists "in Platonia",
and a universal machine is only a sort of interface between different
levels of the Platonic reality (arithmetical truth).
This is an interesting comment! Are you saying that everything
including consciousness really emanates from platonia?
agree that we exist eternally in platonia?
Yes. (but who "we"?)
Yes in a trivial sense. Comp makes arithmetical platonia enough, and
it contains our histories. It is the block ontological reality. It is
far greater than the computable (99,999...% of arithmetical truth is
not computable, decidable, etc.).
Yes, in less trivial senses:
- in the sense of the comp or quantum-like form of immortality, like
- in the sense à-la 'salvia divinorum', which is that we might be
able to remain conscious out of time, space, etc. It is like
remembering we really are one and live in Platonia. With comp, that
would be like remembering that we are nothing more than a universal
machine. I have not yet a clear opinion on this. Both practically and
theoretically. But there is something interesting in lurking there. It
is related to the personal identity question, and who are we?
If so then perhaps we need
only consider computationalism /QM as a means of comprehending the
steps to this understanding.
This platonic realm is very useful but
hard to pin down as a concept.
With comp it is just the "well known" structure (N, +, *), often
called, by logicians, 'the standard model of Peano Arithmetic'. If you
accept that propositions like "24 is even" are true, or false,
independently of you and me, that almost enough. You can pin down the
arithmetical platonia by the set of true arithmetical sentences, or
even just the set of their Gödel numbers, so that it is only a
particular set of numbers. The arithmetical sentences are the
grammatically correct formula build from the logical symbol (A, E, x,
y, z, ..., &, V, ~, ->, (, ), = ) together with the symbol 0, s, +,
*. For example:
- the arithmetical truth 1 < 2 can be written
Ex(s(0) + x = s(s(0))),
- the arithmetical truth saying that if a number is more little than
another number, then it is more little than the successor of that
another number is written: AxAy((x < y) -> (x < s(y))), where x < y
abbreviates Ez(x+s(z) = y),
- the proposition "24 is even" can be written
Ez(z * s(s(0)) =
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