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Century: III–IV

The Eucharist
Did John Chrysostom teach that the sacrifice offered on every Christian altar is not a different sacrifice from Calvary but the same sacrifice re-presented?
Chrysostom asks the question directly: "Do we not offer every day? Yes, we offer, but making remembrance of his death — and…
Historically Verified
2 sources AD 390–407
The Eucharist
Did Origen, the great Alexandrian theologian, reject the Real Presence in favour of a purely spiritual interpretation of the Eucharist?
Origen writes: "You who are accustomed to attend the divine mysteries know how you receive the body of the Lord with all…
Historically Verified
1 sources AD 185–254
Petrine Ministry
Did Cyprian of Carthage — who disputed Rome on the question of rebaptism — nevertheless affirm the unique foundational authority of the Roman see in his theological writings?
The most powerful aspect of Cyprian's witness is that he made his strongest statements about the authority of Peter's chair in a…
Historically Verified
2 sources AD 249–258
Mariology
Was the title Theotokos — God-bearer, Mother of God — used by orthodox Christians before the Council of Ephesus defined it, or was it a theological innovation imposed by the council?
Origen, writing c. AD 230, uses Theotokos without explanation or defence — as a term so established he sees no need to…
Historically Verified
3 sources AD 230–431
Mariology
Did the early Church fathers teach that Mary remained a virgin after the birth of Christ — or did this doctrine emerge late?
Jerome identifies Helvidius as the first writer known to him who denied Mary's perpetual virginity after the birth of Christ. This means…
Historically Verified
3 sources AD 244–410
Mariology
Does the oldest surviving Marian prayer predate the great Marian councils of the fifth century?
The significance is straightforward: Marian devotion — addressing Mary as Mother of God and asking for her intercession — was established liturgical…
Historically Verified
1 sources AD 250
Scripture & Tradition
Was the canon of the New Testament established by Scripture itself, or was it determined by the authority of the Church acting on apostolic tradition?
For the first three centuries, Christians read Clement's letter, the Shepherd of Hermas, and the Didache alongside Matthew, Mark, Luke, and John.…
Historically Verified
2 sources AD 180–419
The Sacraments
Did the early Church baptise infants, or was infant baptism a later corruption of an original adult-only practice?
The decisive evidence is Origen's statement that infant baptism was received from the apostles. He is not speculating — he is citing…
Historically Verified
3 sources AD 200–253
Ecclesiology
Did the early Church understand the Church as a visible, hierarchical institution with defined membership essential for salvation — or did it understand the Church primarily as an invisible fellowship of true believers?
Cyprian's argument is not harsh sectarianism — it is a logical conclusion from his ecclesiology. If the Church is the body of…
Historically Verified
2 sources AD 107–430
Eschatology
Did the early Church pray for the dead — and does this practice imply a state after death in which prayer can benefit the deceased?
Augustine's prayer for his mother Monica in the Confessions is the most personal testimony to the practice. He does not argue for…
Historically Verified
4 sources AD 200–430

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