The acceptance of the pre-human existence of Jesus as the (middle-platonic) Logos, namely, as the medium between the transcendent sovereign God and the created cosmos. The doctrine of Logos was accepted by the Apologists and by other Fathers of the 2nd and 3rd centuries, such as Justin the Martyr, Hippolytus, Tertullian, Ireneus, Clement of Alexandria, Origen, Lactantius, and in the 4th century by Arius; The doctrine of the timeless generation of the Son from the Father as it was articulated by Origen in his effort to support the ontological immutability of God, that he is ever-being a father and a creator. The doctrine of the timeless generation was adopted by Athanasius of Alexandria; The acceptance of the idea that the son of God is of the same transcendent nature (homoousios) as his father.