Accordingly, in 325, Constantine convened the " First Council of Nicaea ", which, largely through the influence of Athanasius of Alexandria, then a deacon, but destined to be Alexander's successor, defined the coeternity and coequality of the Son, using the now famous term " " homoousios " " to express the oneness of their being, while Arius and some bishops who supported him, including Eusebius, were banished.
42.
He is said to have introduced the Latin term " trinitas " with regard to the Divine ( Trinity ) to the Christian vocabulary ( but Theophilus of Antioch already wrote of " the Trinity, of God, and His Word, and His wisdom ", which is similar but not identical to the Trinitarian wording ), and also probably the formula " three Persons, one Substance " as the Latin " tres Personae, Homoousios " ), and also the terms " vetus testamentum " ( Old Testament ) and " novum testamentum " ( New Testament ).
43.
He is said to have introduced the Latin term " trinitas " with regard to the Divine ( Trinity ) to the Christian vocabulary ( but Theophilus of Antioch already wrote of " the Trinity, of God, and His Word, and His wisdom ", which is similar but not identical to the Trinitarian wording ), and also probably the formula " three Persons, one Substance " as the Latin " " tres Personae, Homoousios " " ), and also the terms " vetus testamentum " ( Old Testament ) and " novum testamentum " ( New Testament ).
