When were the Gospels Written? The External and Internal Evidence.

[Paleophyte]

Thoughts?

I think that you're cherry-picking the data and using the methods inadvisably. The internal evidence is only meaningful if the authenticity, internal consistency, and authorship of the gospels can be established. Anything else is just a building an argument without a proper basis. The fact is that we have good reason to believe that several portions of the gospels were written by different authors at different times and in different cultures.

The whole Last Supper scene in all of the gospels is littered with pagan imagery and couldn't be less Jewish if you wrapped it in bacon. The trial at the Sanhedrin is an utter farce and a sad attempt by the early Roman church to shift the blame for tacking up the saviour from themselves to the Jews. And the Greek pun in Matthew 16:18 is something that no Jew would ever have thought to utter. It's the best running joke of all time that the Pope's authority is literally a bad joke though.

As such, you can't demonstrate that references to one gospel in another gospel weren't added at a much later date and you're left with nothing.