Despite his defense of the friars' vow of extreme poverty, he disagreed with Peter Auriole on the relationship between grace and salvation, winning himself condemnation as a Pelagian heretic by Gregory of Rimini.  
He denounced Pope John XXII for heretical opinions on the nature of the beatific vision and was forced to flee to the court of Louis IV of Bavaria, where he met Michael Cesena, superior general of the Franciscans. Despite his defense of the friars' vow of extreme poverty, he disagreed with Peter Auriole on the relationship between grace and salvation, winning himself condemnation as a Pelagian heretic by Gregory of Rimini.  Known as doctor plusquam subtilis, "the doctor who is more than subtle," in opposition to his predecessor John Duns Scotus, FTP, name this English nominalist philosopher, whose statement that "plurality is not to be posited without necessity" is known as his razor.
He denounced Pope John XXII for heretical opinions on the nature of the beatific vision and was forced to flee to the court of Louis IV of Bavaria, where he met Michael Cesena, superior general of the Franciscans.
William of Ockham