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'.
For editors and proofreaders
Syllabification: pe·ti·ti·o prin·ci·pi·i
Definition of petitio principii in:
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