Liberal Dictionary English Dictionary
petitio principii [pi-tish-ee-oh prin-sip-ee-ahy; Latin pe-tee-ti-oh pring-kip-i-ee] WORD ORIGIN 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. Liberaldictionary.com
Origin of petitio principii 1525–35; Medieval Latin petītiō prīncipiī, translation of Greek tò en archêi aiteîsthai the assumption at the outset Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 British Dictionary definitions for petitio principii petitio principii noun logic a form of fallacious reasoning in which the conclusion has been assumed in the premises; begging the questionSometimes shortened to: petitio Word Origin for petitio principii C16: Latin, translation of Greek to en arkhei aiteisthai an assumption at the beginning Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
