Christology is the study of all that pertains to Christ. Several dogmas were discussed throughout the history of the by the leaders and theologians of the concerning the nature of Christ; whether he is or merely became a son by adoption (Bishop of Samosata). The nature was discussed during the crisis in the fourth century and especially at the of Nicaea and .

The nature of and the relation between this divinity and humanity in were discussed at the of Ephesus and Chalcedon. After the Council of Chalcedon, several theological debates and works defending or opposing the definitions of this council appeared. Notable among these are the works of Severus of .