If the proposition $\neg P \to Q$ is true, then the truth value of the proposition $\neg P \vee ( P \to Q)$ is

https://gateoverflow.in/2631/gate1995-2-19

Option D (Satisfiable/Contigency)

Option B is incorrect as Multi-valued propositions have multiple values simultaneously. (They're not in the GATE syllabus, I think.)