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From tetra- +‎ theism.


  • IPA(key): /tɛ.trə.ˈθi.ɪzəm/


tetratheism ‎(uncountable)

  1. A belief in four gods.
  2. (Christianity) The belief that there are four elements in the Christian Godhead—the three hypostases (Father, Son, Holy Spirit) of the Trinity and a divine essence out of which each of these originates.
    • 2002, Hans Hauben, “On the Invocation of the 'Holy and Consubstantial Trinity' in Byzantine Oath and Dating Formulas”, Zeitschrift für Papyrologie und Epigraphik, volume 139, Bonn: Dr. Rudolf Habelt GmbH, ISSN 00845388, JSTOR 20191434, page 160: 
      [] "consubstantial Trinity" could have been a reaction against the supposed heresy of [] Damian [] who was accused of "tetratheism" (or "tetradism", distinguishing four different entities in the Godhead), a response to, but as it seems a variant of, the very influential "tritheism" of John Philoponus (distinguishing three Deities in the Trinity) []
    • For more examples of usage of this term, see Citations:tetratheism.

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