Basically the argument is like this.

I’m leaving the original argument at the bottom but I think I wrote it better here.

P1: It is written in the Torah that god revealed himself to many people.
P2: The Jewish people believe in the Torah.
P3: In order for the original Jews to believe in the Torah, it would either have to be true, or they would have to be convinced that the events of the Torah either will happen to them, are currently happening to them, or happened to their ancestors.
P4: It is unlikely/impossible to convince them that the events in the Torah will happen to them, are happening to them, or happened to their ancestors.
C1: Therefore the events in the Torah must be true.

Original:
1. Judaism differs from other religions because it claims that god had a mass revelation to many people as opposed to just revealing himself to one person. Ex. Christians have Jesus Ex. Muslims have Mohammed

Let’s assume the Torah is lying. Since this is recorded in the Torah, the Jewish people could’ve only been told 1 of 3 things: God will reveal himself to you. (Future) God is revealing himself to you now. (Present) God revealed himself to your ancestors. (Past)

It could not have been the future one because the people would notice that it never happens. It could not have been the present one because they would notice that god isn’t revealing himself to them. Lastly, it could not have been the past one because it’s a checkable lie, people could just ask their parents/would realize that their parents never told them anything about this.

Therefore, we have a contradiction and the Torah must be true.

I happen to have contention with (3) bc I think people can be convinced of virtually anything as we see with cults. What do you guys think?