Question: Let S be the set {1, 2, {1, 3}, {2}}. Answer true or false: (a) 1 S. (b) {2} S. (c) 3 S. (d) {1,

Let S be the set {1, 2, {1, 3}, {2}}. Answer true or false:

(a) 1 S.

(b) {2} S.

(c) 3 S.

(d) {1, 3} S.

(e) {1, 2} S

(f) {2} S.

(g) {2, {2}} S.

(h) {3} S.

(i) S.

(j) S.

My answers are:

(a), (b), (e), (f), (g), (j) are true

(c), (d), (h), (i) are false

Is this correct?

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