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In the course of all this, it notably makes reference to the Eighth Ecumenical Council (879-880), in contrast with the opinion of many modern Eastern Orthodox Christians that there are only seven Ecumenical Councils accepted by the Orthodox Church.
Some writers, including Hans Küng and Francis Christopher Oakley, have argued that the decrees of the Council of Constance remain valid, limiting papal power, despite these decrees being opposed by all subsequent popes and ecumenical councils.
The jurisdiction of the Church of Alexandria extended, as per Canon law of the First and Second Ecumenical Councils, to the Province of Egypt, Nubia and Pentapolis.