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Question
Write down the power set of the following set:
D = {p, q, r, s}
Solution
D = {p, q, r, s}
P(D) = {{ }, {p}, {q}, {r}, {s}, {p, q}, {p, r}, {p, s}, {q, r}, {q, s}, {r, s}, {p, q, r}, {q, r, s}, {p, r, s}, {p, q, s}, {p, q, r, s}}
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