Conciliarism

Papal primacy, supremacy and infallibility
Overview Primacy of Peter & Papal primacy Papal supremacy Papal infallibility First Vatican Council § Papal infallibility
Patriarchs compared to popes Papal primacy Episcopal see § Catholic Church Apiarius of Sicca § Appeal to the bishop of Rome Pentarchy § After the East–West Schism Pope John XIX § Life Gregory II Youssef § First Vatican Council Ravenna Document Eastern Orthodox opposition to papal supremacy
Ecumenical councils compared to popes Conciliarity Conciliarism § Modern conciliarism Ecumenical council § Acceptance of the councils To the Christian Nobility of the German Nation § The Third Wall: Authority to Call a Council Ultrajectines
Catholic episcopal councils compared to popes Febronianism Christus Dominus § Controversy The Ratzinger Report
Political rulers compared to popes Gallicanism Patronato real Josephinism Febronianism Cisalpinism Appointment of Catholic bishops § Centralization of papal power Concordat § List Papal deposing power
Existing dogma compared to popes Development of doctrine Cum ex apostolatus officio Pascendi Dominici gregis
Objections and controversy Ecclesiastical differences between the Catholic Church and the Eastern Orthodox Church § Papal authority Ignaz von Döllinger § Papal authority Ultramontanism § Position of other apostolic churches Papal infallibility § Objections Old Catholic Church § First Vatican Council, Old Catholic Union of Utrecht Sedevacantism Josip Juraj Strossmayer § Catholic diplomacy Ultrajectine
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Conciliarism was a reform movement in the 14th-, 15th- and 16th-century Catholic Church which held that supreme authority in the Church resided with an ecumenical council, apart from, or even against, the pope.

The movement emerged in response to the Western Schism between rival popes in Rome and Avignon. The schism inspired the summoning of the Council of Pisa (1409), which failed to end the schism, and the Council of Constance (1414–1418), which succeeded and proclaimed its own superiority over the Pope. Conciliarism reached its apex with the Council of Basel (1431–1449), which ultimately fell apart. The eventual victor in the conflict was the institution of the papacy, confirmed by the condemnation of conciliarism at the Fifth Lateran Council, 1512–1517.^[1] The final gesture, the doctrine of papal infallibility, was not promulgated until the First Vatican Council of 1870.