but their thinking avoids the most obvious barrier to libertarianism, namely, the notion of a sovereign, personal God. I should note in passing that the above comments offer a partial reply to the complaint of open theists that traditional theism is partially based on Greek philosophy. We shall consider this question in other contexts, but we can already see that, so far as libertarian freedom is concerned, open theism is more Greek than is traditional theism. We can trace this development even further