单词 | semiring of sets |
释义 | semiring of sets [´sem·ē`riŋ ǝv `setz] MATHEMATICS A collection S of sets that includes the empty set and the intersection of any two of its members, and is such that if A and B are members of S and A is a subset of B, then B - A is the union of a finite number of disjoint members of S. |
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