The ontological argument eliminates the second alternative — that God is possible but may or may not exist.

On Hartshorne’s view, metaphysics does not deal with realities beyond the physical, but rather with those features of reality that are ubiquitous or that would exist in any possible world. And he does not think that it is possible to think of a preeminent being that existed only contingently since if it did exist contingently rather than necessarily, it would not be preeminent. That is, God’s existence is either impossible (positivism) or possible, and, if possible, then necessary (theism). He i