Wallace notes that he is following Robert H. Stein’s The Synoptic Problem: An Introduction.

Wallace opens his thirty-page article stating that “Any serious discussion of the Synoptic Gospels must, sooner or later, involve a discussion of the literary interrelationships among Matthew, Mark, and Luke. This is essential in order to see how an author used his sources (both for reliability’s sake as well as for redactional criticism), as well as when he wrote.”

Robert H. Stein’s The Synoptic Problem: An Introduction1 summarizes well the issues involved in the synoptic problem—as well as its probable solution. For the most part, our discussion will follow his outline.