On 24 Mar 2014, at 23:25, LizR wrote:
On 25 March 2014 10:55, Richard Ruquist <yann...@gmail.com> wrote:
According to MWI I am not unique for there are many versions of
myself having made different choices and now living different lives.
Therefore I am being cloned all the time. As I understand comp, it
is consistent with MWI. That in itself seems contradictory to the no-
cloning theorem to me.
I always took no cloning + the MWI to mean "no one can clone me
EXCEPT for the multiverse itself".
Well said. Yet most people would define "cloning" by something done in
one branch of the multiverse. Non cloning is a quasi direct
consequence of unitary evolution.
Assuming comp, perhaps the MWI is equivalent to setting the subst
level at the same level as the branching of quantum particles.
Only in case we get exactly quantum mechanics (without the
hamiltonian, but with Planck constant) from comp. Then the
substitution level is given by the Heisenberg uncertainty relation.
But comp remains correct, with the same consequences, but a different
physics, if consciousness would need a much lower level. In that case
we face the prospect that QM is only an approximation of the physics.
It would be only the first term of a series, solution of a (plausibly
non linear) equation.
Bruno
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