Union in Duality: Hypostatic Union as the Foundation of Christology

An introduction into Christian theological concepts such as homoousios, the divinity of God the Son being of one substance and one nature with God the Father; Hypostatic Union, the two natures of Jesus Christ - one divine person being both God and man of two natures, human and divine; the significance of the First Seven Ecumenical Councils for Christological doctrine.