By Schubert Ogden
...
To experience the absence of a thing x is to experience the presence of some other thing y, whose presence is incompatible with that of x. But it is a contradiction of the very concept of God to suppose that the presence of anything could be incompatible with the (omni-)presence of God. Therefore, there is no way of imagining experiencing God's absence, because one cannot imagine experiencing the presence of anything that would be incompatible with God's presence.
...