On 8/2/2018 1:31 AM, Bruno Marchal wrote:
Not necessarily. The WM-duplication, like Everett QM, illustrates that sometimes two events can be realised from a third person pod, yet only one event is realised from the observer’s pov, and that brings back a notion of first person indeterminacy, and notions of local probabilities, credibilities, plausibilities, etc.
But now you've invoked an ensemble of observers to go with the ensemble of events and you've done nothing to solve the problem. And don't tell me the observers will be "weighted". That doesn't mean anything either. The whole point of physicists wanting an ensemble was so that they could explain probabilities by counting cases. "Weights" just obfuscate the problem. If we want to use weights we can assign a weight of 1.0 to the thing observed and weight 0 to the rest.
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