A) \[x\in S\] and \[x\le 0\Rightarrow x\] is not rational.
B) There is a rational number \[x\in S\] such that \[x\le 0\].
C) There is no rational number \[x\in S\] such that\[x\le 0\].
D) Every rational number \[x\in S\]satisfies\[x\le 0\].
Correct Answer: D
Solution :
[d] P: There is a rational number \[x\in S\]such that\[x>0\]. ~ P: Every rational number \[x\in S\] satisfies \[x\le 0.\]
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