[理工] [離散] - relation

[Karena1983 (@ __@")]

熊熊忘記partial ordering 和 total ordering 這兩種relationship是怎樣的特性

翻了翻參考書也找不到

如果 |A| = n, 求 partial / total order  relation on A 有公式套嗎？



順便問一題 98中山資工 離散

Q: |A|=30 , equivalence relation R on A partitions A into equivalence

   classes A1, A2, A3, where |A1| = |A2| = |A3|, what is |R| = ?


謝謝

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推 dendrobium:|R|=300 ?