From: *Bruno Marchal* <marc...@ulb.ac.be <mailto:marc...@ulb.ac.be>>
On 9 Aug 2018, at 14:03, Bruce Kellett <bhkell...@optusnet.com.au
<mailto:bhkell...@optusnet.com.au>> wrote:
The original Alice and Bob are those in the same branch of the wave
function all the way along. There are no unmatched Alices or Bobs.
In each branch, I agree. But to get the reasoning right, and treat the
case of the violation of Bell’s inequality, we need to take into
account the unmatched Alice and Bob who exist “transworldly” if I can
say. They belong to different branches, and can never meet again. That
is important to make the FTL eventually into an illusion, still
keeping the violation of the Bell’s inequality.
It is fairly clear that you are not talking about quantum mechanics
here, but rather about some weird theory of your own. There is no
infinity of Alices and Bobs who exist before any measurement is made.
They do not "belong to different branches" because they do not exist,
and have never existed. This notion seems to be important to your idea,
and I can assure you that you are wrong about this.
If you think you can justify this, then I ask you to write out the full
quantum mechanical treatment, in Everett's relative state formulation,
that establishes that this infinity of pre-measurement people is a
feature of the actual theory, and not just a figment of your imagination.
Bruce
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