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Reported Question / Answer
Q.) Consider two well-formed formulas in propositional logicF1 : P →Ë¥P F2 : (P →Ë¥P) v ( Ë¥P →)Which of the following statement is correct?
1)
F1 is unsatisfiable, F2 is satisfiable
2)
F1 is satisfiable, F2 is unsatisfiable
3)
F1 & F2 are both satisfiable
4)
F1 is unsatisfiable, F2 is valid
5)
NULL
Answer :
4
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Human Verification : Answer 2 + 3 = ?
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