Makes (Everything is an aardvark) TRUE
Notice that the area outside the A circle is crosshatched, indicating that it's empty. It's the fact that this world doesn't allow anything to be a non-aardvark that makes the sentence true. You could make this world more complicated by adding circles and so on, but as long as the whole area outside the A circle is cross hatched, nothing can be there, and the sentence will be true.
Copyright © 2005 by Martin C. Young
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