2. What is the cardinality of the following sets given that x and y are distinct elements? a) P(x, y, {x,y}}) b) P({Ø, x, {x}, {{x}}}) c) P(P(Ø))

2. What is the cardinality of the following sets given that x and y are distinct elements? a) P(x, y, {x,y}}) b) P({Ø, x, {x}, {{x}}}) c) P(P(Ø))

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