On 20 Dec 2013, at 16:48, Richard Ruquist wrote:
Origin of probabilities and their application to the multiverse
Andreas Albrecht, Daniel Phillips
(Submitted on 5 Dec 2012)
We argue using simple models that all successful practical uses of
probabilities originate in quantum fluctuations in the microscopic
physical world around us, often propagated to macroscopic scales.
Thus we claim there is no physically verified fully classical theory
of probability. We comment on the general implications of this view,
and specifically question the application of classical probability
theory to cosmology in cases where key questions are known to have
no quantum answer.
Richard: I cannot copy over the relevant portions of the text. They
"thus are very skeptical of multiverse theories that depend on
classical probabilities for their predictive power".
Is it a snooker? Does not MWI use quantum probabilities?
It might be worth a read.
They assumed QM, and physicalism, which are not available options once
we assume computationalism.
MWI somehow does bring back classical probability, from the quantum,
making it into an ignorance about the computations which bear our
actual relative state, in the comp theory.
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