1. A proposition derived by negating and permuting the terms of another, equivalent proposition; for example, All not-Y is not-X is the contrapositive of All X is Y. 
   质位变换命题由否定和置换另一等价命题的项而得到的命题；例如，“所有的非y是非x”是“所有的x是y”的质位变换命题
2. rule of law and rule of man 
   法治和人治
3. Hew to a rule 
   遵守规则
4. library rule and regulation 
   图书馆规章制度
5. precursor rule of phytogeography 
   植物地理先兆法则

查看更多例句 相关情景会话

• 1. 对调规则
  对调 contrapositive...对调规则 contrapositive rule...相反命题 contrary proposition
  www.scientrans.com - 相关搜索
• 2. 倒置规则
  contrahelical 反螺旋的...contrapositive rule 倒置规则...contrast 反差，对比度
  bbs.uestc.edu.cn - 相关搜索