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