Arianism (Koinē Greek: Ἀρειανισμός, Areianismós) is a Christological doctrine first attributed to Arius (c. AD 256–336), a Christian presbyter from Alexandria, Egypt. Arian theology holds that Jesus Christ is the Son of God, who was begotten by God the Father with the difference that the Son of God did not always exist but was begotten/made before "time" by God the Father, therefore Jesus was not coeternal with God the Father, and the difference that Arius believed the Son to be "God" only in name.Arius's trinitarian theology, later given an extreme form by Aetius and his disciple Eunomius and called anomoean ("dissimilar"), asserts a total dissimilarity between the Son and the Father. Arianism holds that the Son is distinct from the Father...