The Trinity

This unit focuses exclusively on, and examines systematically, the Church’s teaching on the mystery of the Holy Trinity, a doctrine that stands at the very heart of Christian belief. In so doing it demonstrates the profound soteriological and existential consequences of this doctrine to the way Christians live. Beginning with biblical foundations of the doctrine of the Holy Trinity in the Old and New Testaments, it moves to the historical developments of the Trinitarian doctrine, before considering modern understandings of the Trinity. The focus is on systematic considerations such as persons, essence/substance, koinonia. Salvific and existential implications are addressed, and the problems and perspectives of contemporary Trinitarian theology are examined.

Study Level




Credit Points



9 credit points from 7200 series units in Theology

Learning Outcomes

At the end of this unit students will be able to:

  1. Demonstrate a sound knowledge of the key themes in the doctrine of the Trinity;
  2. identify the key biblical features of this doctrine and its trajectory into the Patristic and/or modern traditions;
  3. Critically review, analyse, and synthesise knowledge current literature on the Trinity;
  4. show an ability to articulate a doctrine of the Trinity for a contemporary reader;
  5. apply the doctrine of the Trinity to Christian living today
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