Abbreviators
··· Those who make an abridgment or abstract of a long writing or discourse.
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Agnosticism
··· A philosophical theory of the limitations of knowledge; coined by Huxley in 1869.
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Alogi
··· A heresy which denies the Word and the Gospel of St. John.
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Angel
··· A spirit messenger intermediate between God and men.
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Animism
··· Doctrines or theories regarding the nature of the soul.
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Antipopes
··· A false claimant of the Holy See and Papal Chair.
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Apocrypha
··· Compositions professing to have been written by Biblical personages or men close to them.
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Apologetics
··· The theological science of the explanation and defence of the Christian religion.
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Apostasy
··· The leaving, desertion, or giving-up of the Faith.
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Apostles
··· On the name, office, authority, and prerogatives of the Apostles.
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Apostolic Camera
··· The former central board of finance in the papal administrative system.
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Apostolic Succession
··· The inheritance, or continuation, of Apostolic authority.
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Arabia, Christianity In
··· The cradle of Islam; the peninsula and the history of Christianity within it.
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Arianism
··· The 4th century heresy that denies the Divinity of Jesus Christ.
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Armenia
··· A mountainous region of Western Asia, southeast of the Black Sea.
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Arminianism
··· Heretical doctrines of Calvinists in the Netherlands.
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Astrology
··· An error regarding the influence of stars on the fate of man.
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Atheism
··· A system of thought which is formally opposed to theism.
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Atomism
··· The system which holds all bodies to be composed of minute, indivisible particles.
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Austro-Hungarian Monarchy
··· The European monarchy of the Danube; its lands, peoples, and the Church.
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Baptism
··· The first of the Seven Sacraments of the Catholic Church.
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Baradaeus
··· A Syrian Monophysite bishop, born at Tella; died in 578.
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Bardesanes
··· A Syrian poet, astrologist, and philosopher; b. 154 at Edessa, d. 222.
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Basilides
··· The earliest of the Alexandrian Gnostics, about 120-140.
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Beatification and Canonization
··· The history and process of declaring the blessed and the saints.
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Bishop
··· The ecclesiastical dignitary who rules a diocese with the fullness of the priesthood.
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Bohemian Brethren
··· The Unitas Fratrum, founded in Bohemia in 1457; the Moravian Brethren.
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Brahminism
··· A complex religious and social system, known also as Hinduism.
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Bullarium
··· A collection of bulls and other analogous papal documents.
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Bulls and Briefs
··· Papal documents named from their leaden seals, and their forms.
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Burial
··· Interment of the dead with ecclesiastical rites in consecrated ground.
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Callistus I, Pope
··· Pope and martyr; reigned about 218 to 223.
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Calvinism
··· The heretical 16th century protestant religion of John Calvin.
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Canon of the Holy Scriptures
··· The authoritative list of the writings composed under Divine inspiration.
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Canons, Apostolic
··· Ancient ecclesiastical decrees on the government and discipline of the Church.
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Carmelite Order
··· One of the mendicant orders; Order of Our Lady of Mount Carmel.
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Censures, Ecclesiastical
··· Spiritual punishments imposed by the Church on a delinquent and contumacious person.
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Censures, Theological
··· Doctrinal judgments on teachings detrimental to faith or morals.
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Chalcedon, Council of
··· The Fourth Ecumenical Council, held in 451 against the heresy of Eutyches.
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Civil Allegiance
··· The duty of loyalty and obedience which a citizen owes to the State.
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Cleric
··· A person legitimately received into the ranks of the clergy.
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Constance, Council of
··· A partly ecumenical council, 1414-18, which ended the Western Schism.
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Cosmology
··· A branch of philosophical study specific to the material world.
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Corpus Juris Canonici
··· The collection of canonical legislation documents.
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Councils
··· On the definition, kinds, and history of General Councils.
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Creed
··· A form of belief; from the Latin credo, I believe.
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Criticism, Biblical
··· The examination of the literary origins and historical values of the books of the Bible.
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Cyril of Alexandria
··· Doctor of the Church, and Bishop of Alexandria.
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Decretals, Papal
··· Pontifical letters containing a decision on a matter of discipline.
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Dioscurus
··· Antipope (d. 530); not to be confused with Dioscorus of Alexandria.
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Dioscurus of Alexandria
··· Patriarch of Alexandria (d. 454), deposed at the Council of Chalcedon.
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Divination
··· Seeking after knowledge or hidden things by inadequate means.
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Divine Providence
··· The act of God by which in His wisdom He so orders all events.
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Docetae
··· A sect of Apostolic times which taught that Christ only seemed to be a man.
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Dogmatic Facts
··· Facts connected with a dogma, on which its application to a case depends.
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Donatists
··· A 4th century schism in Africa led by Donatus of Mascula.
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Dynamism
··· Philosophical views which make matter consist of simple, indivisible units or forces.
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Eastern Churches
··· On the division of East and West and the Churches of the East.
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Eastern Schism
··· Schism that produced the separated "Orthodox" Church.
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Egypt
··· The land of the Nile; its ancient history, religion, and the Coptic Church.
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Emanationism
··· Heretical ideas contrary to the doctrines of creation.
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Erasmus, Desiderius
··· The leader of German humanism, b. 1466 at Rotterdam; d. 1536 at Basle.
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Ethics
··· Moral philosophy; the scientific treatment of the moral order.
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Eutyches
··· A fifth-century heresiarch, his name given to the Monophysite heresy.
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Eutychianism
··· Heresy which rejects the dogmatic "Two Natures" of Christ.
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Excommunication
··· The most serious penalty the Church can apply against error.
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Faith, Protestant Confessions of
··· A review of the Protestant confessions of faith.
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False Decretals
··· The apocryphal papal letters of the Pseudo-Isidore, a ninth-century collection.
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Febronianism
··· The politico-ecclesiastical system of von Hontheim, written as Justinus Febronius.
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Fetishism
··· The religion of Fetish, referred to as another form of animism.
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Filioque
··· The Procession of the Holy Ghost from both Father and Son.
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First Council of Nicaea
··· The First Ecumenical Council, held in 325 on the heresy of Arius.
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Gallicanism
··· A heretical attempt to limit the authority of the pope.
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Gnosticism
··· The heretical notion that salvation is gained by knowledge.
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Grace
··· Actual, Sanctifying, Controversies, and Supernatural Adoption.
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Greek Church
··· On the Greek Orthodox Church, the Uniat Churches, and their history.
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Guardian Angel
··· That each soul has from birth an angel commissioned to guard it.
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Heresy
··· Abandonment of truth by the corruption or denial of dogma.
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Hierarchy, Early Church
··· Used here to denote the three grades of Holy Orders.
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Historical Criticism
··· Distinguishing the true from the false facts of the past.
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Holy Ghost
··· The doctrine of the Church on the Holy Ghost, Third Person of the Trinity.
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Honorius I, Pope
··· Pope 625-638, afterwards condemned by the sixth general council (680).
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Humanism
··· A literary and scientific movement opposing Scholastics.
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Hungary
··· The Kingdom of Hungary; its lands, people, and the Church.
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Hussites
··· The followers of Jan Hus, also known as the Utraquists.
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Iconoclasm
··· A heresy that condemned the use of images in worship.
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IHS monogram
··· An explanation regarding the monogram of Jesus Christ.
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Images, Veneration of
··· On the veneration of images, from the Old Testament onward.
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Impediments
··· Canonical obstacles which hinder the free action of an agent.
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Index of Prohibited Books
··· The catalogue of books once forbidden to Catholics by ecclesiastical authority.
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Infallibility
··· The prerogative by which the Church is preserved from error in definitive teaching.
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Inquisition
··· The ecclesiastical institution for combating or suppressing heresy.
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Ionian School of Philosophy
··· The earliest Greek philosophers, at Miletus in the sixth century B.C.
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Irenaeus, Saint
··· Bishop of Lyons, and Father of the Church.
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Irregularity
··· A canonical impediment to the reception or exercise of Holy Orders.
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Islam (Concept)
··· An Arabic word denoting the religion of Mohammed.
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Jansenism
··· Heresy of Cornelius Jansen against supernatural order.
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John of Ephesus
··· The earliest Syriac historian, b. about 505; d. about 585.
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Justification
··· Denotes the transformation of a sinner to holiness.
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Kant, Philosophy of
··· The system of transcendental criticism of Immanuel Kant (1724-1804).
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Koran
··· The sacred book of the Muslims, regarded by them as the revelation of God.
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Law
··· The guide or rule by which a being is moved to action or held back from it.
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Leibniz
··· The life and philosophical system of Leibniz, b. 1646 at Leipzig.
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Leo I, Pope
··· Pope from 440 to 461; surnamed the Great.
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Life
··· On the enigma of life for the scientist and the philosopher.
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Logos
··· The term by which Greek Christian theology designates the Word of God.
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Lutheranism
··· The religious belief founded by Martin Luther; the oldest Protestant sect.
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Macarius of Antioch
··· A Patriarch of Antioch, deposed in 681 for Monothelitism.
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Maestro di Camera del Papa
··· One of the four palace prelates of the papal household.
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Magi
··· The "wise men from the East" who came to adore Jesus in Bethlehem.
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Majordomo
··· The chief steward of the household of the pope, one of the palatine prelates.
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Manichaeism
··· A religion founded by the Persian Mani in the latter half of the third century.
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Marcionites
··· A heretical sect founded at Rome in 144 by Marcion.
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Martin I, Pope
··· Martyr pope, reigned 649-655; died in exile at Cherson.
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Materialism
··· The philosophical system which regards matter as the only reality.
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Maximus of Constantinople
··· The Theologian and Confessor, b. about 580; d. in exile, 662.
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Mecca
··· The capital of Arabia and the sacred city of the Mohammedans.
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Mechanism
··· The cosmological theory which ascribes the changes of the world to external force.
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Melchisedechians
··· A branch of the Monarchians, founded by Theodotus the banker.
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Merit
··· The property of a good work which entitles the doer to a reward.
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Messiah
··· The Hebrew title of the promised King and Saviour.
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Miracle
··· A wonder performed by supernatural power as a sign of a special mission.
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Missions, Catholic
··· A short general survey of the missionary activity of the Church.
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Modernism
··· On the theory of theological Modernism and the Modernist movement.
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Mohammedanism
··· Mohammed, the prophet of Islam, and the religion he founded.
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Monad
··· The ultimate, indivisible unit of Greek and later philosophy.
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Monarchians
··· Heretics of the second and third centuries, so nicknamed by Tertullian.
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Monism
··· The view that the apparently many are phases or phenomena of a one.
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Monophysitism
··· On the literary activity and theology of the Monophysites.
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Monotheism
··· Belief in the one supreme God, the Creator and Lord of the world.
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Monothelitism
··· A seventh century heresy, condemned in the Sixth General Council.
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Montanists
··· Schismatics of the second century, founded by the prophet Montanus.
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Naturalism
··· The tendency to look upon nature as the one source of all that exists.
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Nestorianism
··· The heresy of Nestorius, Patriarch of Constantinople (d. about 451).
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Novatianism
··· The third-century schism of Novatian, a Roman priest and antipope.
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Occultism
··· On the form of occultism known as Magic.
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Pantheism
··· The view according to which God and the world are one.
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Paul of Samosata
··· Bishop of Antioch, condemned by synods about 264-66.
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Paulicians
··· A dualistic heretical sect, derived originally from Manichaeism.
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Pelagianism
··· A fifth century heresy which denied original sin and Christian grace.
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Personality
··· An account of personality, its constituents and conflicting theories.
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Philoxenus
··· A Monophysite bishop and the champion of his sect, d. 523.
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Pisa, Council of
··· The council convoked to end the thirty-year Schism of the West.
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Pope
··· The Bishop of Rome, successor of St. Peter and chief pastor of the whole Church.
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Pragmatism
··· The insistence on usefulness or practical consequences as a test of truth.
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Praxeas
··· An early anti-Montanist, known only through the book of Tertullian against him.
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Predestination
··· The Divine decree by which God has ordained from eternity all events in time.
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Protestantism
··· On the name, principles, and progress of Protestantism.
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Prothonotary Apostolic
··· A member of the highest college of prelates in the Roman Curia.
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Punishment
··· The infliction by due legal process of the penalty of death for crime.
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Rationalism
··· The view that human reason is the sole source and final test of all truth.
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Reformation
··· The religious movement of the sixteenth century in Western Europe.
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Religious Orders
··· On the religious life directed to personal perfection and union with God.
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Revelation
··· The communication of truth by God beyond the ordinary course of nature.
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Robber Council of Ephesus
··· The Latrocinium, opened at Ephesus 8 August, 449.
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Roman Congregations
··· Departments organized by the Holy See to assist it in its affairs.
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Roman Curia
··· The departments which assist the sovereign pontiff in governing the Church.
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Rota
··· The tribunal re-established by Pius X in 1908 for contentious cases.
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Schism
··· The rupture of ecclesiastical union and unity.
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Secularism
··· A form of opinion concerned only with questions testable by the experience of this life.
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Servants of Mary
··· The order founded at Florence in 1233 by seven noble Florentines.
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Servite Order
··· The fifth mendicant order; preaching and devotion to the Mother of God.
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Simony
··· The deliberate buying or selling of spiritual things for a temporal price.
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Socinianism
··· The Antitrinitarian sect named from Lelio and Fausto Sozzini of Siena.
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Superstition
··· The baseless fear of the gods, distinguished from religion.
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Theological Aspects of the Avesta
··· On Ahura Mazda and the theology of the Avesta.
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Third Plenary Council of Baltimore
··· On the Plenary Councils of Baltimore for the Church in America.
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Tradition
··· On tradition and the living magisterium of the Church.
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Toleration
··· Patient forbearance toward a religion other than one's own.
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The Blessed Trinity
··· The truth that in the unity of the Godhead there are Three Persons.
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The Church
··· On the term Church, a definition and meaning of the word.
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Tritheists
··· Heretics who divide the Substance of the Blessed Trinity.
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Unitarians
··· A Liberal Protestant sect holding belief in a uni-personal God.
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Universities
··· On the origin and development of the universities, from the Middle Ages.
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Utilitarianism
··· The ethical theory that the end of conduct is happiness, measured by pleasure and pain.
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Valentinus
··· The best known and most influential of the Gnostic heretics.
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Western Schism
··· The 40 year religious division of the 14th and 15th century.
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Worship
··· An article dealing with certain aspects of Christian worship.
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