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Question
If P = {x : x ∈ W and 4 ≤ x ≤ 8}, and Q = {x : x ∈ N and x < 6}. Find: Is (P ∪ Q) ⊃ (P ∩ Q)?
Solution
Yes, all the element of set P ∪ Q are contained in the set P ∩ Q.Therefore P ∪ Q is a proper subset of P ∪ Q.
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