设前提: p?r, q?s, pùq. 则r?s是其有效结论。

答案查看网，轻松搜题/搜资源

【判断题】【消耗次数：1】

① 正确

② 错误

参考答案：

复制

纠错

相关题目

【多选题】设前提: ?púr, ?qús, pùq. 则下面哪些是其有效结论：

① t? (rús)

② rús.

③ rùs

④ p?q

查看完整题目与答案

【多选题】设前提: p? (q?r), s?p, q. 则下面哪些不是其有效的结论：

① q?r

② s?q.

③ s?r

④ r?s

查看完整题目与答案

【多选题】设前提: pù?q ? r, p, q ? s, ?s. 则下面哪些是其有效结论：

① r

② ?q.

③ q?p

④ q

查看完整题目与答案

【多选题】设前提: púq, p?r, q?s. 则下面哪些是其有效结论：

① rús

② rùs.

③ (pùq)?r

④ (pùq)?s

查看完整题目与答案

【多选题】设前提: p? (q?r), p, q. 则下面哪些是其有效结论：

① q?r

② r.

③ rùs

④ s

查看完整题目与答案

【多选题】设前提: p??q, ?rúq, rù?s. 则下面哪些是其有效结论：

① q

② ?p.

③ ?q

④ p?q

查看完整题目与答案

【多选题】设前提: (púq) ? (rùs), (sút) ?u. 则下面哪些不是其有效的结论：

① rùs

② u.

③ u?p

④ p?u

查看完整题目与答案

【判断题】设前提: p ? ?q, r ? q. 结论: r ? ?p. 则推理的形式结构为： (p ? ?q) ù (r ? q) ? (r ? ?p).

① 正确

② 错误

查看完整题目与答案

【多选题】设前提: p?r, ?q?p, ?r. 则下面哪些是其有效结论：

① ?q?r

② p.

③ ?p

④ q

查看完整题目与答案

【多选题】设前提: p?q. 则下面哪些是其有效结论：

① pùq

② ?púq.

③ q

④ ?pú (pùq)

查看完整题目与答案

随机题目

【单选题】 A: Would you like to order now? B: [填空].

① Im full now

② But the price is high

③ Yes, Id like fish and soup

④ Its very kind of you

查看完整题目与答案

【单选题】 A: Im sorry. Robert is not in his office. B: [填空]?

① Are you sure for that

② Would you like to leave a message

③ Can you take a message for me

④ Can he phone me

查看完整题目与答案

【单选题】 A: Were you at home last night? B: [填空].

① Certainly

② Certainly I was

③ Sure I was

④ O.K

查看完整题目与答案

【单选题】 A: What would you like, sir? B: [填空].

① Two cups of coffees

② Two coffees

③ Two cup of coffee

④ Two cups coffee

查看完整题目与答案

【单选题】 A: [填空], Mr. John? You dont look very well. B: Ive had a pain in my chest since this morning.

① How are you

② Whats your trouble

③ How are you feeling

④ How are you getting on

查看完整题目与答案

【单选题】 —Do you mind if Charlie borrows a few hundred dollars from you?—Im afraid I do. Ill be glad to lend money to _____ but Charlie.

① someone

② everyone

③ anyone

④ no one

查看完整题目与答案

【单选题】 Will you see to _____ that the flowers are well protected during the rainy season?

① it

② me

③ /

④ yourself

查看完整题目与答案

【单选题】 A: That was a great dinner. [填空] B: Thanks. But it really only took an hour.

① I have never had it before.

② You must have spent all day cooking.

③ I enjoyed it very much.

④ Who cooked it?

查看完整题目与答案

【单选题】 The cruelty of the Germans towards the Jews and ______ of the Japanese towards their prisoners, filled _____ with horror.

① those; someone

② that; everyone

③ no one

④ this; anyone

查看完整题目与答案

【单选题】 Of all the movies Hepbum made ______ is more memorable than “Breakfast at Tiffanys”.

① few

② little

③ no one

④ none

查看完整题目与答案