IfA(a, b, c, d), what is P(A) and n(P(A))? – InterviewSolution

1.

IfA(a, b, c, d), what is P(A) and n(P(A))?

Answer»

A = {a,b,c,d}

P(A) = { 0, {a}, {b}, {c}, {d}, {a,b}, {a,c}, {a,d} {b,c}, {b,d}, {c,d}, {a, b,c}, {b,c,d}, {a,b,d}, {a,c,d}, {a,b,c,d} }

n(P(A)) = 2^4 = 16

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