Before revision: The Sleeping Beauty problem, also known as the Sleeping Beauty paradox, is a puzzle in decision theory in which whenever an ideally rational epistemic agent is awoken from sleep , they either once or twice according to the toss of a coin.
After revision: The Sleeping Beauty problem, also known as the Sleeping Beauty paradox, is a puzzle in decision theory in which whenever an ideally rational epistemic agent is awoken from sleep told they will be either once or twice according to the toss of a coin.