If you object that persons are substances and thus independent items while property instances are not substances but dependent on substances, Mann’s response will be that the point holds for accidental property instances but not for essential property instances. Socrates may lose his wisdom but he cannot lose his humanity. Now all of God’s properties are essential: God is essentially omniscient, omnipotent, etc. So it seems to Mann that “the omniscience of God is not any more dependent on God than God is on the omniscience of God: should either cease to be, the other would also.” (2015, 37) Th...