. State whether each of the following statements are true or false

 If the statement is false rewrite the given statement correctly

(i) If P = {m, n} and Q = {n, m} then  P × Q = {(m, n), (n, m)}

(ii) If A and B are non - empty sets then  A × B is a non - empty set of ordered pairs (x, y) such that  x∈ A and  y∈ B

(iii) If A = {1, 2}, B = {3, 4} then  A ×  (B∩ϕ) = ϕ