设D:全总个体域,F(x):x是病人,G(x):x是医生,H(x, y):x相信y。则命题“所有的病人都相信医生”的逻辑符号化为( )
A:
B:
C:
D:
A:
B:
C:
D:
举一反三
- 设D:全总个体域,L(x):x是演员,J(x):x是老师,A(x, y):x钦佩y。则命题“所有演员都钦佩某些老师”的逻辑符号化为( ) A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/2e49e1f4de184b848904ec9302bd6df4.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/b1c221caeb944da0a2e37ae5e6484cdc.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/204ad67b6eb04dc5be97acf4121e669d.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/6957f2ed8ea3445480d15e716265ef61.png" />
- 设D:全总个体域,F(x):x是兔子,G(y):y是乌龟,H(x, y):x比y跑得快。则命题“并不是所有的兔子都比乌龟跑得快”的逻辑符号化为( ) A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/4bf8891b2d6d48a588928ad6f1a11f46.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/405b0750d62148f29762b2dc436abdc9.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/f6a0186c98564711b88c7131613565b4.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/bbb70672339d498099c2a685f51ea16a.png" />
- 设D:全总个体域,F(x):x是人,H(x, y):x与y相同,L(x, y):x与y一样高。则命题“任何两个不同的人都不一样高”的逻辑符号化为( ) A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/4b94c698d08f4a04b660d5b6efb30089.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/786309b3ecdd4425922f5494966fa07d.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/0a4682e71855487ea0a81c3c14185b0b.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/7c7bc9a8ab404881aa4b2624a45e3575.png" />
- 设A=<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/bc546fc03fdb4ba3b7e6b144b6371d7f.png" />,B=Р(Р(A)) 下列( )表达式不成立。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/6e615703da60435893f9e9a9273e12e5.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/64c831067d054e71a6c76f43849d450d.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/72023a5250e44c12b98923044194f13d.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/c48e039a739c4502830eee7ae0ac1678.png" />
- 关于螺纹画法,正确的是 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/9ccba4619f94435c98b9ae7570b942d9.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/4bc6e6bda3eb4599aac46a7006ed3c17.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/cbdbd84b5748432d8d69e846b62109af.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/177c1236fbdd49ee899e6f362f3211e6.png" />