Question: Let X = {1, {1}, {1, 2}, 2, {3}, 4 }. Which statements are true? (i) {2, 3} X (j) {2, 3} X (k) |X|

Let X = {1, {1}, {1, 2}, 2, {3}, 4 }. Which statements are true?

(i) {2, 3} X

(j) {2, 3} X

(k) |X| = 7

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