a) A2 = {(0, 0), (0, 1), (1, 0), (1, 1)}
b) A2 = {(0, 0), (0, 2), (0, 4), (0, 6), (0, 8), (2, 0), (2, 2), (2, 4), (2, 6), (2, 8), (4, 0), (4, 2), (4, 4), (4, 6), (4, 8), (6, 0), (6, 2), (6, 4), (6, 6), (6, 8), (8, 0), (8, 2), (8, 4), (8, 6), (8, 8)}
д) A2 = {(день, день), (день, ночь), (ночь, день), (ночь, ночь)}
б) A2 = {(x, x), (x, y), (x, z), (y, x), (y, y), (y, z), (z, x), (z, y), (z, z)}
р) A2 = {(I, I), (I, 3), (I, 5), (I, 7), (3, I), (3, 3), (3, 5), (3, 7), (5, I), (5, 3), (5, 5), (5, 7), (7, I), (7, 3), (7, 5), (7, 7)}
e) A2 = {(a, a), (a, b), (a, c), (a, d), (b, a), (b, b), (b, c), (b, d), (c, a), (c, b), (c, c), (c, d), (d, a), (d, b), (d, c), (d, d)}
a) A2 = {(0, 0), (0, 1), (1, 0), (1, 1)}
b) A2 = {(0, 0), (0, 2), (0, 4), (0, 6), (0, 8), (2, 0), (2, 2), (2, 4), (2, 6), (2, 8), (4, 0), (4, 2), (4, 4), (4, 6), (4, 8), (6, 0), (6, 2), (6, 4), (6, 6), (6, 8), (8, 0), (8, 2), (8, 4), (8, 6), (8, 8)}
д) A2 = {(день, день), (день, ночь), (ночь, день), (ночь, ночь)}
б) A2 = {(x, x), (x, y), (x, z), (y, x), (y, y), (y, z), (z, x), (z, y), (z, z)}
р) A2 = {(I, I), (I, 3), (I, 5), (I, 7), (3, I), (3, 3), (3, 5), (3, 7), (5, I), (5, 3), (5, 5), (5, 7), (7, I), (7, 3), (7, 5), (7, 7)}
e) A2 = {(a, a), (a, b), (a, c), (a, d), (b, a), (b, b), (b, c), (b, d), (c, a), (c, b), (c, c), (c, d), (d, a), (d, b), (d, c), (d, d)}