I don’t see how Eliezer’s criterion of stable negentropic artifacts can tell apart people (alive) from stars (not alive) (this is my go-to counterexample to the standard definitions of life).
I think that the idea is that somethings are very specific specifications, while others aren’t. For example a star isn’t a particularly unlikely configuration, take a large cloud of hydrogen and you’ll get a star. However a human is a very narrow target in design space: taking a pile of carbon, nitrogen, oxygen and hydrogen is very unlikely to get you a human.
Hence to explain stars we don’t need posit the existence of a process with a lot of optimization power. However since since humans are a very unlikely configuration this suggests that the reason they exist is because of something with a lot of optimization power (that thing being evolution).
I see what you are saying, certainly humans are very unlikely to spontaneously form in space. On the other hand, humans are not at all rare on Earth and stars are very unlikely to spontaneously form there.
I don’t see how Eliezer’s criterion of stable negentropic artifacts can tell apart people (alive) from stars (not alive) (this is my go-to counterexample to the standard definitions of life).
I think that the idea is that somethings are very specific specifications, while others aren’t. For example a star isn’t a particularly unlikely configuration, take a large cloud of hydrogen and you’ll get a star. However a human is a very narrow target in design space: taking a pile of carbon, nitrogen, oxygen and hydrogen is very unlikely to get you a human.
Hence to explain stars we don’t need posit the existence of a process with a lot of optimization power. However since since humans are a very unlikely configuration this suggests that the reason they exist is because of something with a lot of optimization power (that thing being evolution).
I see what you are saying, certainly humans are very unlikely to spontaneously form in space. On the other hand, humans are not at all rare on Earth and stars are very unlikely to spontaneously form there.