1.

Consider the following two well-formed formulas in prepositional logic.F1: \(P \Longrightarrow \neg \;P\)F2: \((P \Longrightarrow \neg \;P) \;\vee\; (\neg \; P \Longrightarrow P)\)Which of the following statements is correct ?

A. F1 is Satisfiable, F2 is valid
B. Fl is unsatisfiable, F2 is Satisfiable
C. F1 is unsatisfiable, F2 is valid
D. Fl and F2 both are Satisfiable
Answer» B. Fl is unsatisfiable, F2 is Satisfiable


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