Q&APapal InfallibilityFr. Charles GrondinShareQuestion:What document specifically states that the pope’s infallible doctrines cannot contradict a previous pope’s infallible doctrines?Answer:There is no teaching per se, it’s simply a matter of logic. Truth cannot contradict truth. Did you like this content? Please help keep us ad-free $5More from Catholic.com ‹›Enjoying this content? Please support our mission!Donatewww.catholic.com/support-us