Question
Cooperative learning. Work with a small group to answer the following questions. If $A \subseteq B$ and $B \subseteq A$, then what can you conclude about $A$ and $B ?$ If $(A \cup B) \subseteq(A \cap B)$, then what can you conclude about $A$ and $B$ ?
Step 1
This means that every element of $A$ is also an element of $B$, and every element of $B$ is also an element of $A$. Show more…
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