Let A = {0, {ф}, 1, {1, ф}), 2}. Which of the following are true?M (i) ф ∈ А (ii) {ф} ∈ A (iii) {1} ∈ A (iv) {2, 0} ⊂ A (v) 2 ⊂ A (vi) (2, {1}} ⊄ A (vii) {{2},{1}} ⊄ A (viii) {0, {0}, {1, 0}} ⊂ A (ix) {{0}} ⊂ A.