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Que. The power set of the set { φ} is
a. {φ}
b. { φ, { φ}}
c.  {0}
d. {0,  φ, { φ}}
Answer:{ φ, { φ}}
usha :(January 27, 2018) answer explanation
explaination is 2 to the power n and n=1 so you will get two elements in the set.
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