On 10/6/2019 1:53 AM, Philip Thrift wrote:
That is, as they say, it. Notice you don’t see anything about worlds in there. The worlds are there whether you like it or not, sitting in Hilbert space, waiting to see whether /*they become actualized in the course of the evolution.*/
What does that mean? Which ones are not actuallized? What the theory predicts is not worlds; it predicts there are approximately orthogonal subspaces on which the universal wave function vector has projections.
Brent
Notice, also, that these postulates are eminently testable — indeed, even falsifiable! And once you make them (and you accept an appropriate “past hypothesis,” just as in statistical mechanics, and are considering a sufficiently richly-interacting system), the worlds happen automatically <http://www.preposterousuniverse.com/blog/2014/06/30/why-the-many-worlds-formulation-of-quantum-mechanics-is-probably-correct/>.
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