Question

Given a conditional statement p → q, which statement is logically equivalent?

~p → ~q
~q → ~p
q → p
p → ~q

Answer 1

The answer is ~p → ~q.

The ~ means negative, and two negatives always make a positive, which would make it equivalent to the first statement, which is two positives.

Answer 2

Answer:

D : q → ~p   on edg