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# All universes...
All universes must be possible universes, and some things are just impossible. For example, a gold mountain may exist in some possible universes, and not in others. But in all possible universes, it must either exist or not exist. There are some statements - 'A golden mountain both exists and doesn't exist' - that can never be true.

(Admittedly, this is taking me back to fresher metaphysics, and that was a long time ago. But I think the prinicple is right.)
(, Fri 22 Feb 2008, 13:47, archived)