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Title: What would Occam do?
Review: Two observations: Most physicists do not accept Deutch's conclusions concerning quantum reality. The mutliple worlds interpretation was created because some physicists were uncomfortable with the philosophical interpretations of the Copenhagen interpretation. That the observer might have a role in determining the final state of a quantum system is disconcerting...but the many worlds interpretation as originally proposed does not solve the problem. Deutch's version does solve that problem, but it requires us to assume an infinitely large number of parallel universes--in order to preserve the duality between observer and observed, and locality. But which is more parsimonious--to accept Bohr's conclusions, or assume an infinite number of parallel worlds?Second...Deutch is intellectually dishonest. He tries to prove his point by assuming his conclusion--a logical fallacy.This is an interesting, but flawed, book.
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