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  2. Jiaobei - Wikipedia

    en.wikipedia.org/wiki/Jiaobei

    Moon blocks or jiaobei (also written as jiao bei etc. variants; Chinese: 筊杯 or 珓杯; pinyin: jiǎo bēi; Jyutping: gaau2 bui1), also poe (from Chinese: 桮; Pe̍h-ōe-jī: poe; as used in the term "poe divination"), are wooden divination tools originating from China, which are used in pairs and thrown to seek divine guidance in the form of a yes or no question.

  3. Oracle machine - Wikipedia

    en.wikipedia.org/wiki/Oracle_machine

    Some definitions, instead of writing the answer to the oracle tape, have two special states YES and NO in addition to the ASK state. When the oracle is consulted, the next state is chosen to be YES if the contents of the oracle tape are in the oracle set, and chosen to the NO if the contents are not in the oracle set. [1] Some definitions ...

  4. Pythia - Wikipedia

    en.wikipedia.org/wiki/Pythia

    At times when the Pythia was not available, consultants could obtain guidance by asking simple yes-or-no questions to the priests. A response was returned through the tossing of colored beans, one color designating "yes", another "no". Little else is known of this practice. [52]

  5. Post's theorem - Wikipedia

    en.wikipedia.org/wiki/Post's_theorem

    If the oracle is for a decision problem, is always "Yes" or "No", which we may formalize as 0 or 1. Suppose the decision problem itself can be formalized by a first-order arithmetic formula ψ O ( m ) {\displaystyle \psi ^{O}(m)} .

  6. Azande witchcraft - Wikipedia

    en.wikipedia.org/wiki/Azande_witchcraft

    An example of an instance in which the termite oracle can be used in the ethnographic video Witchcraft Among the Azande when a woman in the village is sick and her husband wants to know whether or not she is going to live or die. [8] Zande man with rubbing board oracle. The least expensive but also least reliable oracle is the rubbing-board oracle.

  7. Oracle Corporation - Wikipedia

    en.wikipedia.org/wiki/Oracle_Corporation

    Oracle Corporation is an American multinational computer technology company headquartered in Austin, Texas. [5] Co-founded in 1977 by Larry Ellison, who remains executive chairman, Oracle ranked as the third-largest software company in the world by revenue and market capitalization as of 2020, [6] and the company's seat in Forbes Global 2000 was 80 in 2023.

  8. Magic 8 Ball - Wikipedia

    en.wikipedia.org/wiki/Magic_8_Ball

    To use the ball, it must be held with the window initially facing down to allow the die to float within the cylinder. After asking the ball a yesno question, the user then turns the ball so that the window faces up. The die floats to the top, and one face presses against the window; the raised letters displace the blue liquid to reveal the ...

  9. Open-ended question - Wikipedia

    en.wikipedia.org/wiki/Open-ended_question

    An open-ended question is a question that cannot be answered with a "yes" or "no" response, or with a static response. Open-ended questions are phrased as a statement which requires a longer answer. They can be compared to closed questions which demand a “yes”/“no” or short answer. [1]