The compound propositions p and q are called logically equivalent if ________ is a tautology.
A. p ↔ q
B. p → q
C. ¬ (p ∨ q)
D. ¬p ∨ ¬q
Answer:A
The compound propositions p and q are called logically equivalent if ________ is a tautology.
A. p ↔ q B. p → q C. ¬ (p ∨ q) D. ¬p ∨ ¬q
Explanation: Definition of logical equivalence.