Question

What is a contrapositive, and what is the contrapositive of this statement? "If your eyes are green, then it's not common"?

Answer 1

Answer:  It is common that your eyes are not green

Step-by-step explanation:

Given an "if p, then q" statement  (notation: p → q)

the contrapositive is " if not q, then not p"  (notation: ~q → ~p)

In the given statement,

• p = your eyes are green
• q = it is not common

So,

• ~p = your eyes are not green
• ~q = it is common

Therefore, the contrapositive should be:

If it is common , then your eyes are not green.

But grammatically it sounds better to say,

"It is common that your eyes are not green"