[adam_az]

OK, easily.

Prove that Zeus is not God.

Prove that Satan is not really Jesus, and has fooled all of you into following Him, and into waging wars in the name of Christianty that are really elaborately staged ritual human sacrifice to Satan.

Prove that Allah does not exist.

Prove that I am not really God.

You can't prove a negative. If you are going to discuss FACT, the only way is by using formal logic.