petitio principii
[pi-
tish
-ee-oh prin-
sip
-ee-ahy;
Latin
pe-
tee
-ti-oh p
r
ing-
kip
-i-ee]
/pɪˈtɪʃ iˌoʊ prɪnˈsɪp iˌaɪ;
Latin
pɛˈti tɪˌoʊ prɪŋˈkɪp ɪˌi/
noun
,
Logic.
1.
a fallacy in reasoning resulting from the assumption of that which in the beginning was set forth to be proved; begging the question.
Origin
1525-35;
<
Medieval Latin
petītiō prīncipiī,
translation of
Greek
tò en archêi aiteîsthai
the assumption at the outset
British Dictionary definitions for
petitio principii
petitio principii
/
pɪˈtɪʃɪˌəʊ prɪnˈkɪpɪˌaɪ
/
noun
1.
(
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
C16: Latin, translation of Greek
to en arkhei aiteisthai
an assumption at the beginning