GIVEN QUESTION:c = a → c ≠ aa = b → a ≠ b⇒ a ≠ b ≠ cGiven options:b Δ a → b > a (possible but not definite, hence false)c \(\square\) a → c = a (false)b = a → b ≠ a (TRUE) Hence, b = a is the correct ANSWER.