Word.ws English Dictionary

Sleeping Beauty problem

Sleeping Beauty problem noun: 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.

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.

Forms of Sleeping Beauty problem

pluralSleeping Beauty problems

Questions about Sleeping Beauty problem

What does Sleeping Beauty problem mean?
Sleeping Beauty problem means 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.
What part of speech is Sleeping Beauty problem?
Sleeping Beauty problem is a noun.
What is the plural of Sleeping Beauty problem?
The plural of Sleeping Beauty problem is Sleeping Beauty problems.

Words near Sleeping Beauty problem in the dictionary

  1. sleeping bags
  2. sleeping barber problem
  3. sleeping barber problems
  4. sleeping beauties
  5. sleeping beauty
  6. Sleeping Beauty problem
  7. Sleeping Beauty problems
  8. Sleeping Beauty syndrome
  9. sleeping black
  10. sleeping car
  11. sleeping cars

Source and license

Adapted from Wiktionary: Sleeping Beauty problem (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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