From Wikipedia, the free encyclopedia
康托爾悖論曰:「所有集合,聚以成集,且曰極集,其基數若干?」
康托爾定理云:「集之基數,小于其幕集。」然極集必含己之幕集也,遂生矛盾。康托爾于一八九九年得此悖論。
化解之道,公理集論也;極集不復為集,則矛盾不再耳。
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