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#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics
Lex Fridman Podcast
Causality and Special Relativity
Causality in a network is determined by events that are causally related to future events. The order of rewriting rules can be irrelevant to the causal network, similar to the Church-Rosser property of rewrite rules in mathematical logic. This property leads to the independence of microscopic rewriting order and the causal network, which in turn implies special relativity. Special relativity allows for different reference frames, space, and time perceptions depending on relative speeds and conditions.
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