TRANSLATION OF THE POSTULATUM FOR THE DEFINITION.
TO THE HOLY ŒCUMENICAL VATICAN COUNCIL.
The undersigned Fathers humbly and earnestly beg the holy Œcumenical Council of the Vatican to define clearly, and in words that cannot be mistaken, that the authority of the Roman Pontiff is supreme, and, therefore, exempt from error, when in matters of faith and morals he declares and defines what is to be believed and held, and what to be rejected and condemned, by all the faithful.
Reasons for which this Definition is thought Opportune and Necessary.
The Sacred Scriptures plainly teach the Primacy of jurisdiction of the Roman Pontiff, the Successor of St. Peter, over the whole Church of Christ, and, therefore, also his Primacy of supreme teaching authority.
The universal and constant tradition of the Church, as seen both in facts and in the teaching of the Fathers, as well as in the manner of acting and speaking adopted by many Councils, some of which were Œcumenical, teaches us that the judgments of the Roman Pontiff in matters of faith and morals are irreformable.
In the Second Council of Lyons, with the consent of both Greeks and Latins, a profession of faith was agreed upon, which declares: 'When controversies in matters of faith arise, they must be settled by the decision of the Roman Pontiff.' Moreover, in the Œcumenical Synod of Florence, it was defined that 'the Roman Pontiff is Christ's true Vicar, the Head of the whole Church, and Father and Teacher of all Christians; and that to him, in blessed Peter, was given by Jesus Christ the plenitude of power to rule and govern the universal Church.' Sound reason, too, teaches us that no one can remain in communion of faith with the Catholic Church who is not of one mind with its head, since the Church cannot be separated from its head even in thought.
Yet some have been found, and are even now to be found, who, boasting of the name of Catholic, and using that name to the ruin of those weak in faith, are bold enough to teach, that sufficient submission is yielded to the authority of the Roman
