Soon after, another antipope named novatian opposed pope cornelius in ad 251 over cornelius's soft approach to letting christians return who had given up their faith during times of persecution. Some sedevacantist conspiracy theorists consider the incumbent pope to be the antipope, as, for various reasons, they believe that the incumbent pope is illegitimate. An antipope (from latin: Meaning rival-pope or counter-pope) [1] is a person who makes a controversial, yet substantially accepted, claim to be the lawful pope, and is elected in opposition to … Amadeus viii, duke of savoy, was elected antipope in 1439 by the council of basel, which had broken with pope eugene iv over questions of how much power the papacy had.
Understanding the Context
Taking the name felix v, … Antipope is, in the roman catholic church, one who opposes the legitimately elected pope, endeavors to secure the papal throne, and to some degree succeeds materially in the attempt.
