Sleeping Beauty problem

English

Noun

Sleeping Beauty problem (plural Sleeping Beauty problems)

  1. (decision theory) A kind of puzzle in which whenever an ideally rational epistemic agent is awoken from sleep, it has no memory of whether it has been awoken before. Upon being told that it has been woken once or twice according to the toss of a coin, once if heads and twice if tails, it is asked its degree of belief for the coin having come up heads.

See also
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