Question:
Rewrite the following statement in five different ways conveying the same meaning.
If a given number is a multiple of 6, then it is a multiple of 3.
Solution:
I. A given number is a multiple of 6; it implies that it is a multiple of 3.
II. A given number is a multiple of 6 only if it is a multiple of 3 .
III. For a given number to be a multiple of 6 , it is necessary that it is a multiple of $3 .$
IV. For a given number to be a multiple of 3 , it is sufficient that the number is multiple of $6 .$
V. If the given number in not a multiple of 3, then it is not a multiple of $6 .$