The main problem with most presentations of the Synoptic Problem nowadays is that very often, people do not so much explain the problem itself as one of its proposed solutions (which is usually invariably the Two-Source hypothesis). This of course is a bad way of teaching: you first consider the problem itself, and only then choose the solution which best solves the problem in your opinion.
What is
synoptic? It is derived from the Greek words σύν (
syn ‘together’) and ὄψις (
opsis ‘view’). The gospels of Matthew, Mark, and Luke are known as the
synoptic gospels because they include many of the same stories, often in the same sequence, and sometimes even exactly the same wording (down to word order), something that is much more evident if you read the original Greek. This degree of parallelism in content, narrative arrangement, language, and sentence structures can, it is said, normally only be accounted for by literary interdependence between the three authors.
We will group the data into five types:
Triple Tradition: This refers to the material shared by all three gospels. It largely consists of narrative material (miracles, healings, and a huge chunk of the Passion narratives) but also contains some sayings.
One of the characteristics of triple tradition is that it seems to have a lot to do with Mark, i.e. Mark is often (but not always) the mediating factor or the so-called ‘middle term’. Triple tradition material broadly has the same order across all three gospels, and this order tends to be identical with Mark’s. In other words, where you get the synoptics agreeing together, usually the agreements are between Matthew and Mark, or between Luke and Mark, or between all three. Taken altogether, they comprise the majority.
Luke may occasionally place an incident differently: for example, the pericope about Jesus’ mother and brothers occurs
before the Parable of the Sower in Matthew (12:46-50) and Mark (3:31-35), but a little
after that in Luke (8:19-21). On other occasions Matthew tends to do the same: the story about Jairus’ daughter and the haemorrhaging woman is placed just after the question about fasting in Matthew (9:14-17), but it comes earlier in Mark (2:18-22) and Luke (5:33-39).
The striking thing about this material, however, is that it is rare for
both Matthew
and Luke to place the same incident differently. Hence, the patterns one can find here is: either a substantial agreement between all three, or an agreement between Matthew and Mark against Luke, or an agreement between Mark and Luke against Matthew. Compared to this, it is rare for Matthew and Luke to agree against Mark.
The agreement is not just evident in the wording, but also often in the narrative order. Where Matthew and Luke apparently depart from the order found in Mark, they don’t keep up usually long; very often both of them revert into agreeing with Mark, and they very rarely depart from Mark together.
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A corollary of this is if one were to isolate triple tradition material from all the rest, one would have something resembling a complete gospel, and this gospel would actually be similar to Mark in structure, starting from John the Baptist and ending with the Resurrection. The same would not hold true for the other kinds of material.