1. The problem statement, all variables and given/known data Prove that [tex]A \oplus B' \oplus C = (A \oplus B \oplus C)'[/tex] 2. Relevant equations 3. The attempt at a solution I tried to use [tex]A \oplus B' \oplus C[/tex] = ABC' + A'B'C' + A'BC + AB'C But i am not sure how to proceed further from there... Please could someone give me a little bit of help ?