1.

p ↔ q is logically equivalent to ________

A. (p → q) → (q → p)
B. (p → q) ∨ (q → p)
C. (p → q) ∧ (q → p)
D. (p ∧ q) → (q ∧ p)
Answer» D. (p ∧ q) → (q ∧ p)


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