Papal infallibility
Lord Acton
– opposed the doctrine
Papal primacy
Papal supremacy
Ultramontanism
Syllabus of Errors
– an encyclical issued by the Holy See under Pope Pius IX on 8 December 1864.
Sola scriptura
Union of Utrecht
(Old Catholic)
Infallibility of the Church
https://en.wikipedia.org/wiki/Papal_infallibility