Prove A ∩ B = ∅ if and only if A ⊆ Bc
Added by Rosario J.
Step 1
Assume that A ∩ B = ∅. This means that there are no elements that belong to both A and B. In other words, every element in A is not in B. Therefore, A is a subset of B complement (Bc), since every element in A is not in B, which means it is in Bc. Hence, we have Show more…
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