While most Christian theology reflects the view that at least some Mosaic Laws have been set aside under the New Covenant, there are some theology systems that view the entire Mosaic or Old Covenant as abrogated in that all of the Mosaic Laws are set aside for the Law of Christ. However, other theologians do not subscribe to this view, believing that the Law and the Prophets form the basis of Christian living and Christian ethics, and are therefore not abrogated; rather, they can only be understood in their historical context subsequent to the advent of the Messiah.