The statement $B \Rightarrow ((\sim A) \vee B)$ is equivalent to
Step-by-Step Solution
Key Concept: $B\Rightarrow(\sim A\vee B)$ is a tautology; check which option is also a tautology.
Truth table confirms $B\Rightarrow(\sim A\vee B)$ is tautology. Option (2): $A\Rightarrow(A\Leftrightarrow B)$ also always true — verified by truth table.
Correct Answer: 2