Question

Which statement is logically equivalent to the following conditional statement?

If it is a rectangle, then it does not have three sides.
Answers
If it is not a rectangle, then it has three sides.
If it has three sides, then it is not a rectangle.
If it does not have three sides, then it is a rectangle.
If it is not a rectangle, then it does not have three sides.,

Answer 1

The sentence "If it has three sides, then it is not a rectangle" is the only one of the proposed answers that is logically equivalent to the statement: "If it is a rectangle, then it does not have three sides."