(a) If A B and A B , show that A = . (b) ...
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(a) If A ⊂ B and A ⊂ B̅ , show that A = ∅.
(b) If A ⊂ B and C ⊂ D, show that (A ∪ C) ⊂ (B ∪ D) and illustrate the result using a Venn diagram.
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a If A B and A B then since B B A can contain no elements Hence A ...View the full answer
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