Skatche comments on Fine-tuned for Interestingness vs. Ramsey's Theorem - Less Wrong
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Comments (18)
I'm not sure about this "selection space" of universes, but if we're talking about all possible mathematical constructs (weighted, perhaps, according to Solomonoff's universal prior), it bears noting that even some one-dimensional, two-colour cellular automata - extremely simple systems as far as that goes - have been proven to be Turing complete. Doesn't mean they'll necessarily produce life, as a lot depends on initial conditions, but we know at least that they can, in principle, produce life. Given what else I've seen of mathematics, it seems the space of mathematically possible universes is positively teeming with critters.
Some are, most aren't.