In each of (a)(f), answer the following questions: Is A B?

Chapter 6, Problem 6.13

(choose chapter or problem)

In each of (a)(f), answer the following questions: Is A B? IsB A? Is either A or B a proper subset of the other? a. A ={ 2,{2},(2)2}, B ={ 2, {2}, {{2}}} b. A ={ 3, 52 42, 24mod7}, B ={ 8mod5} c. A ={{ 1, 2}, {2, 3}}, B ={ 1, 2, 3} d. A ={ a, b, c}, B ={{ a}, {b}, {c}}e. A ={16, {4}}, B ={ 4} f. A ={ x R| cosx Z}, B ={ x R| sinx Z}