Question

The number of possible subsets of a power set originating from a set with X number of element is given by the expression ____

a.

2^X

b.

2^(X-1)

c.

2^2^(x-1)

d.

2^2^(x-2)

Answer: (d).2^2^(x-2) Explanation:The number of possible subsets of a power set originating from a set with X number of element is given by the expression 2^2^(x-2). This expressed is referred as double exponential. It is not possible for all candidate topologies to be closed under union and finite intersection. It is necessary to define finite interface topologies more compactly.

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Q. The number of possible subsets of a power set originating from a set with X number of element is given by the expression ____

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