The Apologetical Implications of Self-Deception

There is no definite, certain, and infallible foreknowledge, free knowledge. Nothing has been determined infallibly and amutably by God. I think you're tapping into the nature of the temptation in the garden as well. Adam and Eve had to presuppose that God knew at least was on par with Satan's suggestion that the outcome of that act would not be as God has God said.