在下列横线上填写“互逆”“互否”“互为逆否”或“互为否定形式

在下列横线上填写“互逆”“互否”“互为逆否”或“互为否定形式”:

(1)命题“若q则p”与“若q则p”的关系是__________;

(2)命题“若q则p”与“若p则q”的关系是__________;

(3)命题“若p则q”与“若q则p”的关系是__________;

(4)“若p则q”与“若p则q”的关系是__________.

答案

提示:根据四种命题的概念可得.

答案:(1)互否  (2)互为逆否  (3)互逆  (4)互为否定形式

相关题目

某同学做“探究加速度与力的关系”的实验,实验的探究对
某同学做“探究加速度与力的关系”的实验,实验的探究对象是铝块(质量小于砂桶的),在静止释放轻绳前,装置如图甲所示, ①该同学在实验操作
The radio is________ a strange signal. What’s wrong with it? A. giving up B.
The radio is________ a strange signal. What’s wrong with it? A. giving up B. giving in C. giving out D. giving away
下列哪项是多项式x4+x3+x2的因式分解的结果(     ) A、 x2
下列哪项是多项式x4+x3+x2的因式分解的结果(     ) A、 x2( x2+x)        B、 x(x3+x2+x)     C、 x3(x+1)+x2       D、 x2(x2+x+1)
 --- When did _____ accident happen? --- Let me see. It was on ______ very hot
 --- When did _____ accident happen? --- Let me see. It was on ______ very hot afternoon in August.  A. the; the              B. an; /               C. the; a       
As every computer owner knows, when their machines run a complex program they g
As every computer owner knows, when their machines run a complex program they get pretty hot. In fact, cooling the processors can be expensive, especially when you're dealing with huge banks of com
目前,世界人口增长模式是 A.现代人口增长模式        
目前,世界人口增长模式是 A.现代人口增长模式                   B.过渡人口增长模式    C.传统人口增长模式                 
下列属于我国内海的是(     ) A.黄海、渤海     B.东
下列属于我国内海的是(     ) A.黄海、渤海     B.东海、台湾海峡 C.南海、渤海     D.渤海、琼州海峡
We don’t plan to cry, but it just happens. In fact, when we feel sad or angry,
We don’t plan to cry, but it just happens. In fact, when we feel sad or angry, we may possibly have a good cry. But if you didn’t know what crying was, you’d have to wonder why some strong feeli

最新题目