Church Document
Council of Chalcedon
Ecumenical Council · 451
The fourth ecumenical council (451) promulgated the Chalcedonian Definition: Christ is one person in two natures, divine and human, 'without confusion, change, division, or separation.' It condemned Monophysitism (Eutychianism).
Key themes
- Two natures of Christ
- Hypostatic union
- Monophysitism condemned
Document type
Council document
Issuing authority
Catholic Church
Issued date
451