timtyler comments on Dissenting Views - Less Wrong
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Huh? A utility function is a map from states/gambles/whatever to real numbers that respects preferences. A prior is a probability assigned without conditioning on evidence. Maybe some terms people use here are for showing off, but these two happen to be clear and useful.
I've argued that utilitarians should probably employ surreal-valued utilitiy functions. However, that is hardly a major disagreement. It would be like the creationists arguing that evolution was a theory mired in controversy because of the "puctuated equilibrium" debate.