Determine Whether the Set Is fiNite or Infinite $$\mathcal { P } ( A ) \text {, where } A = \mathcal { P } ( \{ 1,2 \} )$$

Short Answer

determine whether the set is finite or infinite. If the set is finite, find its size.
- $$\mathcal { P } ( A ) \text {, where } A = \mathcal { P } ( \{ 1,2 \} )$$