A second type of Leibnizian argument for God’s real possibility returns to the thesis that God is the most perfect being, and adds that perfections are positive and simple, unanalyzable qualities. So, for example, consider any proposition of the form “A and B are incompatible”, where A and B are any two perfections. Two properties are incompatible only if they are logically incompatible, according to Leibniz. Thus “A and B are incompatible” will be true only if one of these perfections turns out