What does petitio principii mean?

Definitions for petitio principii
pɪˈtɪʃ iˌoʊ prɪnˈsɪp iˌaɪ; Lat. pɛˈti tɪˌoʊ prɪŋˈkɪp ɪˌipe·ti·tio prin·cipi·i

This dictionary definitions page includes all the possible meanings, example usage and translations of the word petitio principii.

Princeton's WordNet

  1. petitio principii, petitionoun

    the logical fallacy of assuming the conclusion in the premises; begging the question


  1. petitio principiinoun

    The logical fallacy of begging the question.

  2. petitio principiinoun

    A particular argument which commits the fallacy of begging the question; a circular argument.

  3. Etymology: From the, literally an assumption from the beginning, from a calque of the Greek τὸ ἐν ἀρχῇ αἰτεῖσθαι (to en archē aetīsthae, to assume from the beginning).


  1. petitio principii

    In classical rhetoric and logic, begging the question or assuming the conclusion (Latin: petitio principii) is an informal fallacy that occurs when an argument's premises assume the truth of the conclusion, instead of supporting it. For example: "Green is the best color because it is the greenest of all colors" This statement claims that the color green is the best because it is the greenest – which it presupposes is the best. It is a type of circular reasoning: an argument that requires that the desired conclusion be true. This often occurs in an indirect way such that the fallacy's presence is hidden, or at least not easily apparent.The term is used in vernacular to mean "prompts a question".


  1. petitio principii

    Petitio Principii, often referred to as "begging the question", is a logical fallacy where the conclusion or part of an argument is assumed in one of the premises. Essentially, the speaker uses a statement that needs to be proven as evidence for the same statement, which results in a circular argument with no proper evidence or logic. This term is derived from Latin, meaning "assuming the initial point".

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How to pronounce petitio principii?

How to say petitio principii in sign language?


  1. Chaldean Numerology

    The numerical value of petitio principii in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of petitio principii in Pythagorean Numerology is: 8

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