Long before, he had forged in Latin the formula one substance, three persons — about a century and a half later the Synod of Alexandria of 362 in effect came back round to it.
His argument — that if the Father was not always Father, this contradicts God's unchangeableness — became the main weapon of the orthodox side from then on.
Arius' fellow student and protector; at Nicaea he spoke for Arius. He signed the creed but not the anathemas, and a few months later was exiled all the same.
He signed the Nicene Creed but not the anathemas, and a few months later was exiled all the same. The bishop of the very city that hosted the council was himself an Arian.
He died the day before the ceremony that was to celebrate his own restoration. On the cause of death Olson offers only a speculation, and we make no claim.
He called the council, proposed homoousios, and punished Arius with anathema — the first time ever that a secular ruler condemned someone over doctrine.
The most philosophically gifted of the three Cappadocian Fathers owed his learning to the teaching he received at home from her and their elder brother.
The theologian of the Holy Spirit — On the Holy Spirit was the first complete treatise on the person of the Spirit, and it led directly to the third article of 381.
⭐⭐ The long aftermath of this thread: the East held that the filioque implied a subordination of the Spirit and robbed the Spirit of his personhood. ⚠ But the difference was one preposition — the East agreed that one may say the Spirit proceeds from the Father, through the Son.