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Question
Given universal set = {x ∈ Z : -6 < x ≤6}.
N = {n : n is non-negative number}
Find: N'
Solution
Universal set = {x ∈ Z ; -6 < x ≤ 6}
= {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6}
N = {n : n is a non-negative number}
= {0, 1, 2, 3, 4, 5, 6}
N' = {-5, -4, -3, -2, -1}
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