Question

CHECK FOR MEDAL : What would you assume at the beginning of an indirect proof for the following?A number divisible by 2 is even. The number 13 is not even.
A.Even numbers are not divisible by 2
B.Even numbers are divisible by 2
C.The number 13 is not even
D.The number 13 is even


A right? cause im assuming the opposite

Answer 1

You want to prove this :
"The number 13 is not even"

So start the indirect proof by assuming the opposite :
"The number 13 is even"

Answer 2

ohh okay i see, thanks :)