On 11 Nov 2014, at 22:18, Bruce Kellett wrote:
Bruno Marchal wrote:
If I tell you that I have thrown a coin, and put a dollar in one of
two boxes according to the tail/head outcome. Send a box in
Washington, and one in Moscow, and you open the box in Moscow, and
find no dollar in the box, you know instantaneously that the box in
washington contain one dollar, without any transmission at the
speed of light. Well, the MW makes the Bell inequality violation of
that type. Instead of W or M; it is an infinite or on all the
equivalent state to up up - down down singlet state. That is weird,
but it is just QM's weirdness, and there is no transmission at a
distance at all.
Bruno
Do you know John Bell's article called 'Bertlmann's socks'? He
explains there why your example above can never be an illustration
of the Bell inequalities.
It assumes that experience leads to unique outcome, I think. In which
case that is correct, but this means he assumes some collapse. If
there is a collapse, Einstein already knew in 1927 that such a
collapse needs to be "non-local". Without collapse, the singlet state
describes proportion of correlated pairs of particles, and we get back
to a local explanation similar to the one I describe in the quote. It
is important to see that with the MW, a pure state still describe
infinities of worlds/histories (like computationalism makes also
mandatory).
Bruno
Bruce
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