Question

Which statement is logically equivalent to the following conditional statement?

If it has five sides, then it is not an octagon.

If it is not an octagon, then it has five sides.

If it does not have five sides, then it is not an octagon.

If it does not have five sides, then it is an octagon.

If it is an octagon, then it does not have five sides.

Answer 1

is it the the third one i really don't understand

Answer 2

or is it the first one

Answer 3

i think so
p --> q equivalent to ~q --> ~p
(3rd one)

Answer 4

i have one more question

Answer 5

ok ill try and answer it

Answer 6

What is the inverse of the following statement?

"If a polygon does not have five sides, then the polygon is a rectangle."

If the polygon is a rectangle, then the polygon does not have five sides.

If the polygon is not a rectangle, then the polygon has five sides.

If the polygon does not have five sides, then the polygon is not a rectangle.

If the polygon has five sides, then the polygon is not a rectangle.

Answer 7

i think it is the last one but i am not sure

Answer 8

i think its D

Answer 9

If the Polygon is a Rectangle, Then it does not have five sides.

Answer 10

it was wrong but i only missed one question thanks for your help

Answer 11

np and sorry for tht one being wrong