Question
Discussion. What is wrong with each statement? Explain.a) $3 \subseteq\{1,2,3\}$b) $\{3\} \in\{1,2,3\}$c) $\varnothing=\{\varnothing\}$
Step 1
The correct notation to show that 3 is part of the set $\{1,2,3\}$ is $3 \in\{1,2,3\}$. Show more…
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