Berkeley holds the world together by saying it is God's idea. But how can we explain the shared world of experience in an atheistic idealism like Schopenhauer's?
closed as not a real question by Joseph Weissman♦ Dec 25 '11 at 14:23
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The question isn't even one that is asked by a philosophy of atheistic idealism. Do application focused physicists go around asking "Why does gravity exist?" The world is. There doesn't need to be an explanation for that, the physical world is the physical world.