sentences:  The first ecumenical council in part was a continuation of Trinitarian doctrinal issues addressed in pre-legalization of Christianity councils or synods (for examples see Synods of Antioch between 264–269AD and Synod of Elvira).As such, they constitute a permanent standard for an Orthodox understanding of the Trinity, the person or hypostasis of Christ, the incarnation.The tradition of councils within the church started with the apostolic council of Jerusalem, but this council is not numbered as an ecumenical council.