Question
Show, as in Example 1.1.9, that A is not a subset of $B$.$A=\{1,2,3\}, B=\{1,2\}$
Step 1
We have $A=\{1,2,3\}$ and $B=\{1,2\}$. Show more…
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Show, as in Example 1.1.9, that A is not a subset of $B$. $A=\{1,2,3\}, B=\varnothing$
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