petitio principii
"Petitio principii" is a Latin term commonly used in logic and philosophy to describe a specific type of fallacy where the conclusion is assumed within the premise.
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Definition
C1Logic
(technical, academic)A fallacy where an argument's premise assumes the truth of the conclusion instead of providing evidence.
Example
- Arguing that lying is wrong because it's immoral is an example of petitio principii.
C1Philosophy
(technical, academic)A flawed argument where the statement to be proven is included in the initial assumptions.
Example
- The philosopher criticized the debater for using petitio principii, as the conclusion was already assumed in the premises.
Similar
Terms that have similar or relatively close meanings to "petitio principii":
ad verecundiamcircular argumentbegging the questionlogical fallacya potiori