Which of the following is not a negation of
“A natural number is greater than zero”
A. A natural number is not greater than zero.
B. It is false that a natural number is greater than zero.
C. It is false that a natural number is not greater than zero.
D. None of the above
We know that the negation of the given statement is false, viz.
“It is false that a natural no. is not greater than zero.”
Thus, option C is the correct answer.