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Q. A and B are true, X and Y are false , then the truth value of the compound Statement [ (~A. ~X) . (B vY)]

Q. A and B are true, X and Y are false , then the truth value of the compound Statement [ (A.X) . (B.Y)]

Q. Name the rule of inference P ≡ q ) ≡ [ p Ͻ q ) . ( q Ͻ p ) ]

Q. Disjunction is a ------- proposition

Q. ‘v ’ symbol connects __________.

Q. If x) Mx is false, then x) Mx is …………………

Q. ----- had introduced into logic the important notion of variable.

Q. ------is an example for normative science

Q. A _______________proposition is one which contains other proposition as it’s Component

Q. ’ The conjunction of p with the disjunction of q with r’, is symbolized as …….