Most evangelical christians believe Jesus was fully God and fully human at the same time. When they use transcendtal arguments which involve the "Law of Identity", this must contradict their belief about the nature of Jesus.
Sure. I've claimed that apologetics requires some combination of lies, logical fallacies, and emotional manipulation.
As for Jesus nature, I would say they claim he was a god when you're supposed to get goodies from him and they claim he's human when you're supposed to feel guilty for his "suffering". Why not turn it around? Say he never suffered (in the story) because he was a god and because he's a dead man, he can't do anything for you. He's still a man/god, just less of a con.
Check this out for more: http://atheist-community.org/atheisteve/?id=42