Let $A = \{1, 2, \{3, 4\}, 5\}$. Is the statement $\{3, 4\} \in A$ correct or incorrect? Explain.
(A) Given the set $A = \{1, 2, \{3, 4\}, 5\}$.
The elements of set $A$ are $1$,$2$,$\{3, 4\}$,and $5$.
Since $\{3, 4\}$ is explicitly listed as an element within the set $A$,the statement $\{3, 4\} \in A$ is correct.
The elements of set $A$ are $1$,$2$,$\{3, 4\}$,and $5$.
Since $\{3, 4\}$ is explicitly listed as an element within the set $A$,the statement $\{3, 4\} \in A$ is correct.
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