To prove the statement P is tautologically equivalent to the statement Q, it is enough to prove that _______.

Related MCQs

• To prove the statement P tautologically implies the statement Q, it is enough to prove that _________.
• Let the statement be “If n is not an odd integer then square of n is not odd.”, then if P(n) is “n is an not an odd integer” and Q(n) is “(square of n) is not odd.” For direct proof we should prove                    
• The statement from ∼ (p ˄ q) is logically equivalent to
• p → p is logically equivalent to
• (p ˄ (p → q )) → q is logically equivalent to
• The compound propositions p and q are called logically equivalent if                  is a tautology.
• p → q is logically equivalent to                  
• p ∨ q is logically equivalent to                  
• ¬ (p ↔ q) is logically equivalent to
• p ↔ q is logically equivalent to