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Be the first pioneers to continue the Astronomy Discussions at our new Astronomy meeting place... The Space and Astronomy Agora  | 
| No, I Do Not Mean Any Set Or Any Theory At All.
 Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Alexander on November 8, 2001 22:03:25 UTC  | 
 Simply take an object and call its presence 1, absence 0. Then remove this object and see if 0 is no longer valid.  | 
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