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- 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。
- 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
- 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
- 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
- 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
- A equivalent proposition of Giuga's Conjecture 居加猜想的一个等价命题
- Another Equivalent Proposition on Convex Function 凸函数的又一等价命题
- An Equivalent Proposition of Eisenstein Discrimination Method 艾森斯坦因判别法的一个等价命题
- Some equivalent proposition on covergence in probability 依概率收敛的几个等价命题
- Application of Equivalent Proposition in the Advanced Algebra's Teaching 等价命题在高等代数教学中的运用
- The Proof and Application for Equivalent Proposition of the Real Continuity 实数连续性等价命题的证明及应用
- The Equivalent Proposition and Proof of Continuous Mapping in Topological Space 拓扑空间中连续映射的等价命题及其证明
- Inference of the obverse of a proposition. 换质法推导一个命题的方法
- A dime is equivalent to ten pennies. 一角等于十分。
- This is the inverse of his earlier proposition. 这和他早些时候提的建议截然相反。
- A proposition obtained by conversion. 逆命题通过换位得到的命题
- The dividend pay is equivalent to one quarter of the pretax profit. 所付股息相当于税前利润的四分之一。
- Keeping a shop in this village is not a pay proposition. 在这个村子里开设商店是一桩亏本的买卖。
- A dime is the equivalent of two nickels. 一角硬币等于两个五分镍币。
- A meter is equivalent to 39.37 inches. 一米相当於三十九点三七英寸。
