Write a useful negation of each of the following statements:
a.) All cows eat grass.
b.) There is a horse that does not eat grass.
c.) There is a car that is blue and weighs less than 4000 pounds.
d.) Every math book is either white or hard to read.
e.) Some cows are spotted.
f.) No car has 15 cylinders.
First statement is,
“All cows eat grass.”
Negation for this statement is,
“It is not true that all cows eat grass.”
“Not all cows eat grass.”
Similarly, the negations of all given statements are,
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