You know what it looks like… but what is it called?
TAKE THE QUIZ“petitio”
The following 3 entries include the term petitio.
petitio principii
noun: a logical fallacy in which a premise is assumed to be true without warrant or in which what is to be proved is implicitly taken for granted
pluris petitio
nounplus petitio
noun: a demanding by the plaintiff in his pleading of more than he proves either in amount or as to time or condition of performance
Love words? Need even more definitions?
Merriam-Webster unabridged