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#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

Lex Fridman Podcast

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Causal Network and Microscopic Rewriting Rules

Causal network in the universe reveals how events are causally related and affects future events. The observable network represents what's happening in the universe, and its robustness can be assessed. Certain microscopic rewriting rules result in a causal network where the order of rewrites does not matter. This property, known as the confluence property, also seen in algebraic expressions, ensures that the causal network is independent of the microscopic order of rewriting, highlighting its importance.

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