1 For f = ((x1 → x2x3) ⊕ x2)x2, find subfunctions f1(x2, x3) = f(x1 = 1, x2, x3), f2(x1, x3) = f(x1, x2 =

1, x3), f3(x3) = f(x1 = 1, x2 = 0, x3) using the intersection and the insertion of constants.