proper class

名词 n.
中文释义

英文释义

名词 n.
  1. A class which is not a set.
    — Thus, what is required is not that all proper classes be the size of the class of all sets, but that every proper class has at least as many members in #92;Omega#95;p as there are sets in #92;Omega#95;2, whatever is in #92;Omega#95;2.

词形变化

proper classes plural
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