命题
:
,
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e434d52b7741e42c21c2785eb07ffcaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3f4532fa3d9c033565924b4ff89039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051a773a69caa2492c0d352db0917d19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af1012edc102c3a0e5ebeee99175be6.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
更新时间:2022-10-23 14:17:02
|
【知识点】 全称命题的否定及其真假判断解读
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【推荐2】已知命题
,则命题
的否定,命题
的真假分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7655219e52a8216022e2da50bc4c65ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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