Set Y always not belong to Y.Do you know power of a
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that is not paradox:the power of subsets of a set always stronge
-皆兄弟也-
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07/24/2010 postreply
14:26:46
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you're smart,but can't make sence of my statement.
-jinjing-
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07/24/2010 postreply
14:37:37