Question

Which statement is logically equivalent to the following conditional statement?

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

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

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

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

Is it A?

Answer 2

I believe so...
r --> ~t
<-->
t --> ~r
(Simple English
r implies not t
is equivalent to
t implies not r)

Answer 3

Ill give u a medal after i check it..