OK, demonstrate it, please. I see no good reason to doubt the early church's belief that the gospel authors were Matthew, Mark, Luke and John. You are saying they were wrong, are you not?
I demonstrate it by pointing out that nobody has a credible chain of evidence that leads from any gospel back to the purported author. Note that the fact that you are take the views of the late second century church on faith does not count as a credible chain of evidence.
And you having an opinion that we do not know does not mean we do not know. Etc.
Indeed it doesn't, but my opinion is supported by the facts and most credible scholars of the New Testament. Yours is a combination of second century guesswork and your own wishful thinking.
We have evidence (the gospels, Paul and so on) that there were people (individuals and groups) who sincerely believed they met with Jesus after his death by flogging and crucifixion and that the tomb was empty.
The gospels are certainly not reliable for reasons we have already discussed.
Paul never mentions the empty tomb, even in situations where he might be expected to do so. Nor, if I recall correctly, does he mention any flogging or anybody meeting Jesus. If you were to assess the evidence of Paul's letters honestly, you would come to the conclusion that he did not know the empty tomb story or any of the stories about Jesus meetin and eating with people after the resurrection. This is in spite of the fact that he spent two weeks with Cephas (Peter).
Are you saying those people did not sincerely believe that or that Jesus being resurrected is not the best explanation, please?
I'm sure many of them sincerely believed Jesus was resurrected. I'm also pretty sure that the resurrection they believed was not of the type that gained currency in the gospels.
Nope. It rests on the possibility that God exists. His resurrection demonstrates that God, the Christian God, exists.
Like I said, the assumption that God exists.
The Christian idea of God is that of a God with a mind who does stuff for reasons (reasons we don't always fully understand, I grant you), but not a random event generator.
Imagine we are both sitting at a table. I have a six sided dice which I proceed to throw a number of times. You keep a record of the number that comes up on each throw and you find that each of the numbers from one to six comes up roughly the same number of times.
If I say to you, what is the probability of me throwing a six next time, I guess you'd be happy with the answer of 1/6.
Then I then reveal that I have an electromagnet concealed in the table and a metal plate concealed in the dice such that, by turning on the electromagnet, my accomplice hidden in the next room can ensure that the dice will come up six.
Are you still happy to assign a 1/6 probability of a six coming up on the next throw? Are you happy to assign
any probability to a six coming up on the next throw.
As soon as we concede the possibility of a god that interferes with the natural world, all of our reasoning fails because God can subvert it on a whim.
If you are going to insist on a supernatural entity behind the scenes loading the metaphorical dice, we might as well give up. You should just say "I have faith in God" and leave it at that.
No, I can't give you a probability
Precisely. And that means all of our tools for reasoning about the World fail. What you are doing is not history, it is just a pretence of history.