(c. A.D. 330–390) Sometimes known as Gregory of Naziansen, one of the Cappadocian Fathers. Among the Eastern Orthodox he is called “Saint Gregory the Theologian” because of the importance of his Theological Orations in formulating the orthodoxDerived from a Greek term meaning “right belief” and also “right worship.” When the term is not capitalized it typically refers to teachings i... trinitarian theology that prevailed after the Council of ConstantinopleThe First Council of Constantinople convened in AD 381 is one of the most important ecumenical councils of Christianity. It dealt with issues of the T... 381.
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PEOPLE (see c. A.D. 330–390)