Mathematics · Discrete Mathematics
Consider the universal set of positive integers X = {n | 1 ≤ n ≤ 8}. Let proposition P = 'n is an even integer' and proposition Q = '(3 ≤ n ≤ 7) ∧ (n ≠ 6)'. Then the truth set of P ↔ Q is:
- 1{1, 4}✓
- 2{2, 6}
- 3{3, 4, 5}
- 4{1}
Correct answer
{1, 4}
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