Quote:
Originally Posted by jbjb
But from within one of the worlds there's no way of telling whether the other worlds exist - i.e. whether the wave function collapsed or reality forked in such a way as to provide a separate universe for each possible outcome. From our point of view within our reality, the observable effect in either case is that the wave function collapsed.
In terms of making useful, measurable predictions about reality, the many worlds hypothesis adds nothing to the Copenhagen interpretation.
/JB
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Which is what I've just said in the post immediately above yours
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