Development of the New Testament canon day called that of the sun" (Sunday) alongside the "writings of the prophets." A defined set of four gospels (the "Tetramorph") was asserted by Irenaeus, "c". 180, who refers to it directly. By the early 3rd century, Origen may have been using the same twenty-seven books as in the present New Testament canon, though there were still disputes over the acceptance of the Letter to the Hebrews, James, II Peter, II John, III John, Jude and Revelation, known as the Antilegomena. Likewise, the Muratorian fragment is evidence that, perhaps as early as 200, there existed a set of Christian writings
Synoptic Gospels as the Hebrew logia mentioned by Papias, the Jewish–Christian gospels, and the Gospel of Marcion. Ancient sources virtually unanimously ascribe the synoptic gospels to the apostle Matthew, to Peter's interpreter Mark, and to Paul's companion Luke - hence their respective canonical names. A remark by Augustine at the beginning of the fifth century presents the gospels as composed in their canonical order (Matthew, Mark, Luke, John), with each evangelist thoughtfully building upon and supplementing the work of his predecessors—the Augustinian hypothesis (Matthew–Mark). This view (when any model of dependence was considered at all) seldom came into question until the late