How Many Elements Has P(A), if A = Φ?
How many elements has \[ P(A) \] if \[ A=\Phi \] ?
Solution
Since \[ A=\Phi \] there are \[ 0 \] elements in \[ A \]
Number of elements in \[ P(A)=2^n \]
Therefore, \[ |P(A)|=2^0=1 \]
\[ \boxed{1} \]
How many elements has \[ P(A) \] if \[ A=\Phi \] ?
Since \[ A=\Phi \] there are \[ 0 \] elements in \[ A \]
Number of elements in \[ P(A)=2^n \]
Therefore, \[ |P(A)|=2^0=1 \]
\[ \boxed{1} \]