To say that God is omniscient, most philosophers and theologians agree, is to say that he knows all true propositions and none that are false. But there is a great deal of disagreement about what is knowable. Some believe that God's knowledge is limited to everything that is actual and that which will follow deterministically from it. He knows, for example, exactly what Caesar was thinking when he crossed the Rubicon and how many horses he had in his army that (...) day. And he knows exactly how Gorbachev feels about the use of nuclear weapons. And since he knows how the ‘laws of nature’ function, he knows, for example, how certain weather systems will develop and what their effects will be on certain natural environments. But with respect to any future state of affairs which includes free human decision-making as a causal component, God is said not to know what will occur. God, as the ultimate psychoanalyst or behaviourist, can with great accuracy predict what we will freely decide to do in the future in many cases. He might well, for example, be able to predict quite accurately who will win the 1988 Presidential election. But a God who possesses only ‘present knowledge’ cannot know who will win. Given that the election in question is dependent on free choices which have yet to be made, there is presently nothing for God to know. (shrink)