petitio principii
[ pi-tish-ee-oh prin-sip-ee-ahy; Latin pe-tee-ti-oh pring-kip-i-ee ]
/ pɪˈtɪʃ iˌoʊ prɪnˈsɪp iˌaɪ; Latin pɛˈti tɪˌoʊ prɪŋˈkɪp ɪˌi /
noun Logic.
a fallacy in reasoning resulting from the assumption of that which in the beginning was set forth to be proved; begging the question.
Origin of petitio principii
1525–35; < Medieval Latin
petītiō prīncipiī, translation of Greek
tò en archêi aiteîsthai the assumption at the outset
Words nearby petitio principii
petit's lumbar triangle,
petite,
petite bourgeoise,
petite bourgeoisie,
petite marmite,
petitio principii,
petition,
petitionary,
petitioner,
petitor,
petits pois
British Dictionary definitions for petitio principii
petitio principii
/ (pɪˈtɪʃɪˌəʊ prɪnˈkɪpɪˌaɪ) /
noun
logic
a form of fallacious reasoning in which the conclusion has been assumed in the premises; begging the question
Sometimes shortened to: petitio
Word Origin for petitio principii
C16: Latin, translation of Greek
to en arkhei aiteisthai an assumption at the beginning