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UP TGT Mathematics Set Theory Test Series - Part 5

The cardinal number of the power set of an empty set is:

Type: MCQ • Marks: 1
The cardinal number of the power set of an empty set is:
Options
A. 0
B. 2
C. 1
D. Undefined
Explanation
|∅| = 0, so |P(∅)| = 2^0 = 1.
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