1) Doctrinaltheology 
• (n.) The science which treats of Christian doctrinal theology.
Dog·mat'ics noun The science which treats of Christian doctrinal theology. 
Dogmatics is a systematic arrangement of the articles of Christian faith (dogmas), or the branch of theology that deals with them. The first attempt to furnish a complete and coherent system of Christian dogmas was made by Origen in the 3rd century.
the study of the arrangement and statement of religious doctrines, esp. of the doctrines received in and taught by the Christian church. Also called