離散數學›Ch10 偏序集、格、布林代數與命題邏輯
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◀ LS 3/18
3. 命題邏輯、truth set、量詞推論
#LS-10-003中命題邏輯truth set量詞推論

2(a). (4 points) Given a domain DD and two predicates PP and QQ, let RR be the truth set of P(x)P(x) and SS be the truth set of Q(x)Q(x). Pick up all the following statements that are always true?

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