So, actually most people doubt he had any familiarity with Samaria or the Samaritans at all. In other places, Justin claims to be a Gentile.
Not my problem. Let's review the terms of our discussion:
Resolved: No ancient commentator on Christianity asserted that Jesus wasn't a real person.
The burden is on the affirmative to make its case. Justin is one of my opponents' sources for what was taught and what needed rebuttal apologetics in ancient times. If they roll over on him, why should I lift a finger to stop them?
In generosity to my opponents, however, there is no logical impediment to the same person having been a resident of Samaria and a Gentile. (And Justin did get the inscriptions right enough for us to know what he was looking at and that he'd misinterpreted it. Where the rest of his ideas about Simon's Roman Adventure came from beats me.)
Thank you for the pointer, however. I have an interest in Simon for some wider matters than the narrow issue before us currently.
In any case, all his evidence is worthless.
Also in generosity to my opponents, that's not your call.
If you have no interest in what the Simonians really taught, then the claim they were mythicist is... well unable to be founded.
It's not my claim, it's the claim of my opponents' sources. If their testimony is "unable to be founded," then my work is done here.
It's certainly possible that the resolved is true. I can even make an argument for it. Briefly, "Jesus didn't exist" isn't an argument, it's a fact claim. Given that there were actual arguments against Christian teaching available, why would anybody waste bandwidth to pursue a non-argument instead?
Nevertheless, the resolved is facially impossible to establish on an incomplete record of ancient teaching. In the incomplete record that survives, there is testimony from sources firendly to my opponents to the contrary of the resolved.
I honestly do believe that the resolved fails.
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It is firmly a development out of anti-Christian sentiment and pro-revolutionary movement.
The question, however, is secular.
Obviously, a book about the history of the question is going to focus on the people who've been interested enough in the question to write about it (or these days, make a video or a podcast). No doubt those people have other commitments in their lives besides the one that brought them to your attention.
Peachy, but irrelevant to the character of the question.
I defer to you about what kind of people have been attracted to the question in the past 450 years +/-. As to whether the question is secular: it is. That's not a personal choice for anybody to make.
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Lena Einhorn is a historicist, but she is called a mythicist.
So I've heard, and I believe I've heard her speak to the mistake.
Part of her difficulty is that she does teach that the canonical gospels are fictive, and if they are fictive, then they are fairly called myths based on their content. That's just how English is spoken. She is not a Jesus mythicist, she just thinks he's the focal character of a traditional morality tale filled with heroic and magical deeds about the origins of a larger-than-any-nation group. The potential for confusion is there, and Murphy's Law bites: such potential will occasionally be realized.
So far as I know, any word at all can be misused, any category mistakenly applied. I don't see that much follows from that for the fate of any particular word.
They don't know their own history.
Kids these days, eh?