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板凳
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发表于 2004-2-2 03:46:00
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:]]] 谢谢 JJ jj简练的表达 偶明白了 原题 的 premise not A---->not B , conclusion A----->B D 的premise 也是 not A----->not B, conclusion A------>B 所以都错在了 用 否命题 而非 逆否命题来 作出推论 :] 方便大家以后研究 其他选项 A) Anyone who grows up in a large family is accustomed to making compromises. Meredith is accustomed to making compromises, so she might have grown up in a large family. A---->B B----->A (B) Anyone who is not in favor of this proposal is ill informed on the issue. Jeanne opposes the proposal, so she is ill informed on the issue.notA----->B not A----->B (C) No one who likes music misses a performance of the symphony. Paul likes music, yet last week he missed a performance of the symphony.A---->not B A-----> B (D) Anyone who works two or more jobs is unable to find a balance between professional and personal life. Maggie has only one job, so she can find a balance between her professional and personal life. notA--->not B , A------>B (E) No one who is hot-tempered and strong-willed will succeed in this business. Jeremy is strong-willed, so he will not succeed in this business.A&C ---->not B , C---->not B
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