On the question of a heretical pope
The issue of how to handle a heretical pope, in concrete terms, has not yet been treated in a manner which approaches anything like a true general consent in the entire Catholic tradition. So far, neither a pope nor an Ecumenical Council has made relevant doctrinal pronouncements nor have they issued binding canonical norms regarding the eventuality of how to handle a heretical pope during the term of his office. There is no historical case of a pope losing the papacy during his term of office due to heresy or alleged heresy. Pope Honorius I (625 – 638) was posthumously excommunicated by three Ecumenical Councils (the Third Council of Constantinople in 681, the Second Council of