Question
Find $\mathcal{P}(A)$ and $|\mathcal{P}(A)|$ for(a) $A=\{1,2\}$.(b) $A=\{\emptyset, 1,\{a\}\}$.
Step 1
We need to find the power set \(\mathcal{P}(A)\) and the cardinality of the power set \(|\mathcal{P}(A)|\) for two different sets \(A\). Show more…
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For $A=\{1,2\}$ and $B=\{1\}$, determine $\mathcal{P}(A \times B)$.
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