Sets-Relations-And-Functions Question 129

Question: The cardinality of the set $ P{ P[ P(\phi ) ] } $ is

Options:

A) 0

B) 1

C) 2

D) 4

Show Answer

Answer:

Correct Answer: D

Solution:

  • [d] $ P(\phi ) $ is the power set of the set $ \phi $
    $ \therefore $
    Cardinality $ =P{P[P(\phi )]}=4 $

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