Subset also is set.For finite set,there is no paradox.
悖论 paradox: 由 所有集x不属于集x 的集x组成集y。问集y属不属于集y？
Set Y always not belong to Y.Do you know power of a
that is not paradox：the power of subsets of a set always stronge
you're smart,but can't make sence of my statement.
皆兄弟也
2010-07-24 11:52:17悖论 paradox: 由 所有集x不属于集x 的集x组成集y。问集y属不属于集y？