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单词 Class (Set)
释义

Class (Set)

A class is a special kind of Set invented to get around Russell's Paradox while retaining the arbitrarycriteria for membership which leads to difficulty for Sets. The members of classes are Sets,but it is possible to have the class of ``all Sets which are not members of themselves'' without producing aparadox (since is a proper class (and not a Set), it is not a candidate for membership in ).

See also Aggregate, Russell's Paradox, Set
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更新时间:2025/2/22 2:11:19