Question
Show, as in Example 1.1.9, that A is not a subset of $B$.$A=\{1,2,3,4\}, C=\{5,6,7,8\}, B=\{n \mid n \in A$ and $n+m=8$ for some $m \in C\}$
Step 1
The set $B$ is defined as the set of all numbers $n$ such that $n$ belongs to $A$ and $n+m=8$ for some $m$ belongs to $C$. Show more…
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