The best logical argument against "computational universe" metaphysics I have heard so far. The can't be cause and effect in physics because the universe can't compute Pi.https://twitter.com/Plinz/status/1144325058757713920 …
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Well, Pi doesn't have a last digit if we take numbers as platonic entities. My point is, physicists and other scientists routinely calculate with irrational numbers. If that is all wrong, can we *in practice* replace current physics with computational universe metaphysics?
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These geometric models are capturing the limit dynamics of systems with too many parts to count. In reality, these systems have finitely many parts, and the limit dynamics give you an approximation. The calculations themselves are approximations as well.
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