[理工] [離散] 關係的差異?
課本習題上遇到的問題,
(a) R包含於 Z+ X Z+,若a R b則a|b
R為Reflexive, Antisymmetric, Transtive
(b) R為Z上的關係,若a R b則a|b
R為Transitive
請問為什麼(b)只有transitive?
感謝指教…
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