Christianity; Theology; Nicene Creed; Alexandria (Egypt); Origen; Council of Nicaea (1st: 325); Tertullian, ca. 160- ca. 230; Greek language; Constantine I, Emperor of Rome, d. 337; Arius; Arianism; Athanasius, Saint, Patriarch of Alexandria, d....
Arianism; Arians; Council of Nicaea (1st: 325); Councils and synods; Canons; Constantine I, Emperor of Rome, d. 337; Christology; Bishops; Orthodoxy; Heresy; Hypostatic union; Council of Constantinople (1st: 381); Council of Chalcedon (451)