Definition of petitio principii in English:
A fallacy in which a conclusion is taken for granted in the premises; begging the question.
- This, with great respect, is a petitio principii - reasoning which assumes the very thing which requires decision.
- Here I shall simply observe that the objection is a gross petitio principii.
Latin, literally 'laying claim to a principle'.
Definition of petitio principii in:
- US English dictionary