Propositional Logic
Q41.
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.Q43.
Consider the following propositional statements: P1:((A\wedge B)\rightarrow C)\equiv (A\rightarrow C)\wedge (B\rightarrow C) P2:((A\vee B)\rightarrow C)\equiv (A\rightarrow C)\vee (B\rightarrow C) Which one of the following is true?Q44.
Let Graph(x) be a predicate which denotes that x is a graph. Let Connected(x) be a predicate which denotes that x is connected. Which of the following first order logic sentences DOES NOT represent the statement: "Not every graph is connected"?Q45.
What is the first order predicate calculus statement equivalent to the following? Every teacher is liked by some student