Question

Select the assumption necessary to start an indirect proof of the statement.
If 8 is a factor of n, then 4 is a factor of n.


a. none of these
b. Neither 4 nor 8 are factors of n
c. 4 is not a factor of n
d. 8 is not a factor of n

Answer 1

if you want to prove it by contradiction, then you would start by assuming 8 is a factor of n but 4 is not
question is rather idiosyncratic but i believe the answer is C

Answer 2

Thank You

Answer 3

yw