contrapositive
短语词组
- contrapositive rule [计]倒置规则;对调规则;翻译
- contrapositive form [自]换位形式
- contrapositive law 假言易位
- contrapositive sentence 换质位
- The contrapositive 逆反命题
- contrapositive symmetry 逆否对称性
- contrapositive contraposition proposition 逆否命题
- contrapositive cam engine 对置式凸轮发动机
- proof f by contrapositive 反证法 返回 contrapositive