Page "Arianism" Paragraph 19

The Council of Nicaea did not end the controversy, as many bishops of the Eastern provinces disputed the homoousios, the central term of the Nicene creed, as it had been used by Paul of Samosata, who had advocated a monarchianist Christology.

Both the man and his teaching, including the term homoousios, had been condemned by the Synods of Antioch in 269.