单项选择题设F(x):x为地球上的东西,G(x):x是静止不动的,命题“地球上所有的东西都不是静止不动的”的符号化形式中,( )正确。

A.只有Ⅰ正确
B.只有Ⅱ正确
C.Ⅰ和Ⅱ都正确
D.Ⅱ和Ⅲ都正确


延伸阅读

你可能感兴趣的试题

2.单项选择题When the adjacency matrix method is used to store a graph, which of the statements is (are) true ( )

A.Ⅰ and Ⅱ
B.Ⅰ only
C.Ⅱ only
D.neither

3.单项选择题Suppose V1=<R,+>,V2=<R, ·>,where R is the set of real numbers, +and · are respectively addition and multiplication. Let f: R→R and {(x) = 10x, which of the following propositions is true ( )

A.f is an injective homomorphism from V1 to V2
B.f is a surjective homomorphism from V1 to V2
C.f is an isomorphism from V1 to V2
D.none of the above

8.单项选择题设R+为正实数集合,<R+,*>在下面四种运算下不构成代数系统的是( )。

A.*代表普通加法
B.*代表普通乘法
C.*代表普通除法
D.*代表普通减法