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Ep 106: David Deutsch’s ”The Fabric of Reality” Chapter 4 “Criteria for Reality” Part 2

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The Multiverse Vision of Quantum Theory

Bohm's theory is often presented as a single universe variant of quantum theory. But according to Dr. Johnson's criterion, that is a mistake. Working out what Bohm's invisible wave will do requires the same computations as working out what trillions of shadow photons will do. So there's some special place for the observer. And this is what the multiverse vision of quantum theory denies. It says there is no special dispensation. There is one universal physics for everything observers and non-observators. This is nothing but the multiverse in heavy disguise. Let's continue.

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