The Communicatio Idiomatum: Preserving the Unity of Christ and the Integrity of His Natures
The communicatio idiomatum, or the communication of properties, is a vital doctrine of Christology that safeguards the unity of Christ's person while affirming the integrity of His two natures. It reflects a theological method rooted in Chalcedonian Christology and the Reformed tradition, both of which confess that Christ's natures are without change, confusion, separation, and division. This paper will approach this doctrine from a Trinitarian, Chalcedonian, and Reformed framework, defining it in light of its biblical and historical interpretation, defending it against historical and contemporary distortions, and declaring it essential to proper Christology and the Christian Faith.