Please include an explanation. Thank you

1.1.1. Determine whether each of the following is true or false. (a) O CO (b) 0 ) (C) 0 {0} (d) {0} (e) {a,b} {a,b,c,{a,b}} (f) {a,b} {a,b, {a,b}} (g) {a,b} C 2{a,b,{1,5}}' (h) {{a,b}} 2{0,b,{a,b}} (i) {a, b, {a,b}} - {a,b} = {a,b} 1.1.2. What are these sets? Write them using braces, commas, and numerals only. (a) ({1,3,5} {3,1}) n {3,5,7) (b) U{{3}, {3,5}, {{5,7}, {7,9}}} (c) ({1,2,5} - {5,7,9}) ({5,7,9} - {1, 2,5}) (d) 27,8,9) - 247,9 (e) 2