[quote=@Legend] You were going fine, but then skipped several steps in the last statement. You went straight from "I won't change" to "fight." There's not a logical progression there. I'm aware. I didn't post it looking for an answer; rather, I was thinking aloud as I worked through it. [/quote] Let's see if I can continue, then. "I won't change." Neither person will change their ideas, and therefore--wait, no. I can't go from "I won't change" to "fight" unless we assume that I and the other absolutely have to decide which one is right. It doesn't account for the possibility that I don't care about the other person believing in his idea. Well, actually, that wouldn't lead to fighting in any case, so I don't need to account for that possibility. [i]So,[/i] ignoring that tangent, let's assume that we both believe that only one of us can possibly be right, and that the other person being wrong is wrong. In this case, I will have to prove that I am right, and he will have to prove that he is right, so that each of us can correct the other's wrongness. This leads to an argument.