Re: Bayes Destroyed?

From: marc.geddes <>
Date: Sun, 30 Aug 2009 20:36:09 -0700 (PDT)

On Aug 31, 3:23 pm, Brent Meeker <> wrote:
> marc.geddes wrote:

> > A weakness of MWI is that it does not describe the reality we actually
> > see - additional steps are needed to convert wave function to human
> > observables - Bohm makes this clear, MWI just disguises it.  Even in
> > MWI, additional unexpected steps (Born probabilities derivation etc)
> > are needed to convert wave function to what we actually observe.
> But in Bohmian QM the guide-potential just determines where a particle
> goes.  So all but one of the possible paths are empty, which one is
> realized is just slipping the problem in the back door.

But MWI has the same problem, it just states it in different terms, in
MWI all worlds exist, but which one will we actually observe? In
Bohm, only one world is there, but which of the paths in the wave
function is it?

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Received on Sun Aug 30 2009 - 20:36:09 PDT

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