Set Y always not belong to Y.Do you know power of a

來源: 2010-07-24 13:54:40 [舊帖] [給我悄悄話] 本文已被閱讀:

set?The paradox is from that,the power of the set of all elements is the strongest,how about the elemets of its all subsets?There is teorem:the power of subsets of a set always stronger than the set.How check the power?We use mopping to check......與 finite, infinite you關.