proper inclusion

名词 n.

英文释义

名词 n.
  1. The state of being a proper subset; a subset relation in which a set A is a subset of a set B but A is not equal to B. uncountable
    — The symbol ⊆ is used for ordinary inclusion, and ⊂ is sometimes used for proper inclusion.

词汇关系

反义词
improper inclusion equality
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