Reformed Forum

The evangelical Internet is abuzz with discussion about ad intra relations within the Trinity. Bruce Ware and Wayne Grudem have been recognized as presenting forms of Eternal Functional Subordination (EFS) of the Son to the Father in their respective books, Father, Son, and Holy Spirit: Relationships, Roles, and Relevance (Crossway) and Systematic Theology: An Introduction to Biblical Doctrine (Zondervan). Owen Strachan and his co-author Gavin Peacock hold to what they term Eternal Relations of Authority and Submission (ERAS) in their book, The Grand Design (Crossway). In this episode, we address the current controversy by looking at the eternal relationship among the Father, Son, and Holy Spirit. These three persons are one God. They are related by an irreversible taxis: the Father is unbegotten, the Son is begotten of the Father, and the Spirit proceeds from the Father and the Son. Theologians often call this the immanent or ontological Trinity. These three persons are equal in power and glory, yet their es