5min chapter

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#124 – Stephen Wolfram: Fundamental Theory of Physics, Life, and the Universe

Lex Fridman Podcast

CHAPTER

The Space of All Possible Rules

A Turing machine has the set of branching possibilities, which is one of these multi-way graphs. So if you apply a particular rule in all possible ways it can apply, this thing has causal invariance. And that means that you can take different reference frames, different ways of slicing this thing and they will all be equivalent. It's also deeply related to the P versus NP problem and other things like this.

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