by Jessica Taylor 420 days ago | link | parent Then suppose that the system decides to make burritos filled with nano-machines that carefully filter out some carbon 12 atoms. These are now valid candidates for b, and the unnaturalness of the set ff has gone down. Wouldn’t these burritos be very unnatural since they contain nanomachines, and natural burritos don’t?

 by Stuart Armstrong 420 days ago | link Yes. But $$b$$ allows for burritos with metal in them and for some without. So they are pretty unnatural, but not ruled out. But all the example burritos have the same level of radioactivity, so all normal burritos are ruled. Maybe I should have chosen a better example. reply

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