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MCQ (Single Correct Answer)
GATE CSE 2006
Which one of the first order predicate calculus statements given below correctly expresses the following English statement? Tigers and lions attack if they are hungry or threatened.
∀x[(tiger(x)∧lion(x))→(hungry(x)∨threatened(x))→attacks(x)]
∀x[(tiger(x)∨lion(x))→(hungry(x)∨threatened(x))∧attacks(x)]
∀x[(tiger(x)∨lion(x))→attacks(x)→(hungry(x)∨threatened(x))]
∀x[(tiger(x)∨lion(x))→(hungry(x)∨threatened(x))→attacks(x)]
