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
Historical reliability of the Gospels exception, although the author simply refers to himself as "the disciple Jesus loved" and claims to be a member of Jesus' inner circle. During the following centuries, each canonical gospel was attributed to an apostle or to the close associate of an apostle. Most scholars have rejected the traditional attributions. The gospels of Matthew, Mark, and Luke are referred to as the Synoptic Gospels because of a similar sequence and wording. They are also composed in Koine Greek and the majority of Mark and roughly half of Matthew and Luke coincide in content, in much the same sequence, often nearly