What is the contrapositive of the following statement?

“If there is rain, then the dog will not bark.”
Answer
If there is not rain, then the dog will not bark.
If there is not rain, then the dog will bark.
If the dog will not bark, then there is rain.
If the dog will bark, then there is not rain.

Question

What is the contrapositive of the following statement?

“If there is rain, then the dog will not bark.”
Answer
		If there is not rain, then the dog will not bark.
		If there is not rain, then the dog will bark.
		If the dog will not bark, then there is rain.
		If the dog will bark, then there is not rain.

anonymous · Answer

I guess it's the second one

amistre64 · Answer

If p, then q  contrPs into:  If -q, then -p

amistre64 · Answer

the 2nd one says:  if -p then -q

anonymous · Answer

so what would be the answer?

anonymous · Answer

amistre woul that mean the fourth one is the correct answer?

anonymous · Answer

Yea, I guess he meant the fourth

amistre64 · Answer

4th one has the same parts as the 2nd one; and flipped.  So yes, I beleive it matches up fine