The ecumenical councils were gatherings of bishops that defined core Christian doctrine in response to theological controversies. Rhema covers all seven councils recognized across major traditions.
The seven councils
- Nicaea I (325): Deity of Christ, Nicene Creed
- Constantinople I (381): Deity of the Holy Spirit
- Ephesus (431): Theotokos, against Nestorianism
- Chalcedon (451): Two natures of Christ
- Constantinople II (553): Three Chapters controversy
- Constantinople III (681): Two wills of Christ
- Nicaea II (787): Veneration of icons
Key creeds
- Apostles' Creed: Early baptismal confession
- Nicene Creed: Trinitarian statement from Nicaea/Constantinople
- Chalcedonian Definition: Christ's two natures
- Athanasian Creed: Detailed Trinitarian and Christological formula