On 20 Aug 2014, at 17:42, meekerdb wrote:
On 8/20/2014 6:01 AM, Bruno Marchal wrote:
On 18 Aug 2014, at 20:28, meekerdb wrote:
On 8/18/2014 4:19 AM, Bruno Marchal wrote:
The laws will always assured the existence of computations in
which you survive, and have that quantum MW aspects, but in some
consciousness state we might live some "phase transition" between
different physical realms. Obviously, we cannot get a physical
reality in which there is no observers at all.
Why not?
I think I answered this yesterday. I expressed myself badly here.
We cannot get the "real" physical reality without observers, as it
is define by the 1p FPI measure, which requires observers
(universal numbers), but we can have, in UD*, digital
approximations of such physical realities, and some can be devoid
of any observers.
So you think the observers are needed in order to define measures
and recover the Born rule?
Yes.
But what constitutes an observer?
A universal (and preferably Löbian) machine.
Won't you need a measure on observers?
Why?
This seems to be the many-minds interpretation of quantum mechanics.
We don't assume anything in physics. We have simpler axioms, implicit
in QM.
From QM you can define K and S and proves Kxy = x and Sxyz = xz(yz).
But with comp, to solve the mind-body problem, we have no choice: we
must derive QM from Kxy = x and Sxyz = xz(yz). That is the point. Z1*
is only the begining of the solution. It shows that classical comp is
plausible already, as we get exactly the needed quantization and
quantum logic to make sense of that derivation.
Bruno
Are you saying there must have been observers in the early
universe, even before the recombination?
No.
Must there be observers observing the interior of stars for them
to be "physically real"?
No. Not even in the real physical reality. It is enough we share
enough (deep) computations with the stars.
What does "physically real" mean in your theory?
It means it emerges from the first person indeterminacy, in the UDA
way.
??
Brent
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