Fourth Lateran Council (1215)
Confession of faith – The Holy Spirit proceeds from both Father and Son equally and eternally.
Constitution 4 – If the Orthodox do not come back to Rome like obedient sons they are to be excommunicated and deprived of ecclesiastical office.
Constitution 5 – Orthodox bishops must pledge obedience to Rome.
Second Council of Lyon (1274)
Constitution 2 Canon 1 – Rome has always believed the Filioque.
Constitution 2 Canon 2 – The Pope is the ruler of the universal Church.
Council of Vienne (1311-12)
Decrees – Guilt is remitted in baptism of infants.
Council of Constance (1414-18)
Session 5 – The Pope must obey the Councils.
Session 8 – John Wyclif is condemned and anathematized for believing and every Catholic anathematized for believing that the material substance of the bread and wine remain in the sacraments in the altar. He is also condemned for believing that it is not necessary for salvation to believe that the Roman Church is supreme over other Churches.
Session 15 – They anathematized John Wyclif (and forbid Catholics from having same beliefs) for saying: Children of the faithful who die without baptism will be saved. It is ridiculous that the Pope is the supreme pontiff.
Session 39 – All Popes pledge to uphold the traditions of the Ecumenical Councils especially the first eight.
Fifth Lateran Council (1512-17)
Session 11 – Subjection to Roman Pontiff necessary for salvation for all Christ’s faithful.
Anathemas of the Council of Trent (1545-63)
Session 4 – If you don’t accept all of the books of the Bible that Rome accepts.
Session 5 – If you don’t accept that we are all guilty of Adam’s sin. If you don’t accept infant baptism, and that infants must be cleansed of Adam’s sin of which they are guilty.
Session 6 – If anyone says we are saved by faith alone. If one believes that only the predestined go to Heaven.
Session 7 – If anyone says that the sacraments do not contain grace but only the outward signs. If anyone says baptism is not necessary for salvation. If anyone denies infant baptism.
Session 13 – If anyone denies that the body and blood of Christ are in the Eucharist. If anyone denies transubstantiation, and says that the bread and wine stays with the body and blood.
Session 14 – If anyone says that priests don’t have the power to forgive sins, and if anyone is against confession.
Session 21 – If anyone says you must receive both the bread and the wine in communion. If anyone says that indulgences are useless, or that the Church does not have the power to give them.
Session 22 – An anathema is to condemn and eliminate from the Church.
First Vatican Council (1869-70)
Chapter 1 – If you say Peter has primacy of honor only than you are anathema.
Chapter 2 – All churches must be in communion with Rome to be faithful.
Chapter 3 – All churches everywhere must submit to the Pope in faith, morals, discipline, and government or be anathematized.
Chapter 4 – When the Roman Pontiff speaks ex-cathedra and defines a doctrine concerning faith and morals he is infallible. If anyone does not believe he is anathema.
Second Vatican Council (1965)
Decree on Ecumenism – It calls those not Roman Catholic separated brethren. The children of those who split from the Catholic Church cannot be blamed for the sins of their fathers so they are embraced and accepted as brothers. Separated churches whereas deficient are still used to effect salvation. The ultimate end of ecumenism is to make everyone Catholic. Some worship in common with the Orthodox is okay.
Catechism of the Catholic Church #891 – Ecumenical Councils are infallible