【简答题】【消耗次数:1】
如何用谓词描述出n元关系?
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相关题目
【简答题】 如何用谓词描述出一元关系?
【简答题】 如何用谓词描述出二元关系?
【判断题】 对谓词公式中的变元和谓词均指定以常项,则成命题。
①  正确
②  错误
【判断题】 若谓词公式中没有自由变元,且谓词也均是常项,则成命题。
①  正确
②  错误
【判断题】 谓词公式中的改名规则只针对自由变元。
①  正确
②  错误
【简答题】 二元关系可以有几种描述方式?
【单选题】 谓词公式x(P(x)∨(yR(y))→Q(x))中变元x是(   )
①  自由变元
②  约束变元
③  既不是自由变元也不是约束变元
④  既是自由变元也是约束变元
【判断题】 若谓词公式中有变元,则一定不是命题。
①  正确
②  错误
【判断题】 建筑物的基础与地基之间的关系可用N=AF来描述。
①  正确
②  错误
【单选题】 本课程在教授人们如何用理智驾驭情感时,讲到一种从根本上缓解情绪波动的方法()。
①  呐喊法
②  三思制怒法
③  理性情绪疗法
④  阴阳辩证辅导
随机题目
【判断题】 Proper names, key words in titles, and the first words of sentences should be captialized.
①  正确
②  错误
【判断题】 Words with two or more syllables can be divided.
①  正确
②  错误
【判断题】 Foreign words are often underlined or italicized.
①  正确
②  错误
【判断题】 Single quotation marks are used ot enclose a quotation within a quotation.
①  正确
②  错误
【单选题】 Mr. Peterson [] later to be nominated for Chairperson of the Small Enterprise Committee— had been charged with bribery.
①  comma
②  dash
③  brackets
④  semicolon
【单选题】 He wrote a lot of novels, many of [] translated into English.
①  it
②  them
③  which
④  that
【单选题】 He wrote a lot of novels, many of [] were translated into English.
①  it
②  them
③  which
④  that
【单选题】 I had to complete the assignment by Friday [] otherwise, I would have failed the course.
①  comma
②  semicolon
【单选题】 The grass was growing wildly [] but the crop, unfortunately, was dying.
①  comma
②  semicolon
【单选题】 Oil []which is lighter than water, rises to the surface.
①  comma
②  dash
③  brackets
④  semicolon