, as well as three numerical Persons:
ergo
,
(according to Gregory Nyssen's shallow and disprovable etymology), which would be Tritheism: or
, and then the Son and Holy Ghost are but terms of relation, which is Sabellianism. But in fact this Gregory and the others were Tritheists in the mode of their conception, though they did not wish to be so, and refused even to believe themselves such.
Gregory Nyssen, Cyril of Alexandria, Maximus and Damascen were charged with "a kind of Tritheism" by Petavius and Dr. Cudworth, who, according to Sherlock, have "mistaken their meaning." See pp. 106-9, of this "Vindication."