Development of the New Testament canon a heretic and in the early 4th century Bishop Theodoretus of Cyrrhus and Bishop Rabbula of Edessa (both in Syria) rooted out all copies they could find of the Diatessaron and replaced them with the four canonical Gospels (M 215). As a result, no early copies of the Diatessaron survive—although a very early fragment suggests it would have been crucial evidence for the true state of the early Gospels (see IX). By the 5th century, the Syriac Bible, called the Peshitta, was formalized, accepting Philemon, along with James, 1 Peter and 1 John, but excluding 2 John, 3 John, 2
Development of the New Testament canon includes an explicit list of canonical books. Many Evangelical Christian groups (which have their origin in c. 1730 England) do not accept the theory that the Christian Bible was not known until various local and Ecumenical Councils, which they deem to be "Roman-dominated", made their official declarations. These groups believe that the New Testament supports that Paul (2 Timothy 4:11–13), Peter (2 Peter 3:15–16), and ultimately John (Revelation 22:18–19) finalized the canon of the New Testament. Some note that Peter, John, and Paul wrote 20 (or 21) of the 27-books of the NT and personally knew all the other NT