... (<r-algebra) of subsets of V. 14 SET THEORY [CHAP. 1 1. 31. 1. 32. 1. 33. 1. 34. 1. 35. 1. 36. 1. 37. Answers to SupplementaryProblems (a) RcT, (b) xeY, (c) 0, (d) M<^S, (e)z<?A, (/) R e cA. (i) A = { -1, 2}, ... asubclass of A. 1. 24. Find the power set <P(S) of the set S = {1, 2,3}. The power set <P(S) of S isthe class of all subsets of S; these are {1, 2,3}, {1, 2}, {1, 3}, {2, 3}, {1} , {2}, {3} ... which are multiples of 5. (iv) The set of animals living on the earth. (v) The set of numberswhich are solutions of the equation a;*7 + 26 18 — 17 a :11 + Чя? — 10 = 0. (vi) The set of circlesthrough...