Question

(Could this be the correct answer?) If it is a school night, Eric goes to bed early. Eric will not go to bed early tonight. Therefore, it is not a school night.

Determine if the statement is valid.

B.No, p->q , therefore, ~q->~p is an invalid argument.
C.Yes,p->q , therefore,~q->~p is a valid argument.

Answer 1

I got yes, if P then Q , therefore Q is P. so its a valid argument?

Answer 2

I think you mean to say "yes, if P then Q , therefore, if ~Q then ~P is a valid argument"

Answer 3

that is valid since that's the contrapositive

Answer 4

Yes. thank -you!(:

Answer 5

yw