Ep 106: David Deutsch’s ”The Fabric of Reality” Chapter 4 “Criteria for Reality” Part 2
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The Computational Complexity Theory of the Solar System
Dr. Johnson's criterion tells us to regard as real those complex entities, which if we did not would complicate our explanations. We do not deem our reflections in a mirror to be real people because they derive their complexity from somewhere else. The theory that the cosmic planetarium is real, and that nothing lies beyond it, only makes the problem worse," he says.
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