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Ep 124: David Deutsch’s ”The Fabric of Reality” Chapter 6 “Universality and the limits of Computation”

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The Universal Virtual Reality Generator Is Physically Possible

If the laws of physics are to be comprehensible, they must be capable of being embodied in another physical object. It is also necessary that processes capable of creating such knowledge be physically possible. This is a tall order, but reality does meet it. The laws of physics by conforming to the turing principle make it physically possible for those same laws to become known to physical objects. Thus the laws of Physics may be said to mandate their own comprehensibility. Amazing stuff. Dav writs: Since building a universal virtua reality generator is physically possible, it must actually be built in some universes. A caviot is necessary here. Oka let's keep going.

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