| 单词 | algebra of subsets |
| 释义 | algebra of subsets [¦al·jǝ·brǝ ǝv `sǝb´sets] MATHEMATICS An algebra of subsets of a set S is a family of subsets of S that contains the null set, the complement (relative to S ) of each of its members, and the union of any two of its members. |
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