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Q. The statement form with only false substitution instances is called _________.

Q. ‘ If p then q’ is symbolised as -----

Q. The constant symbol ‘ ’ stands for ________. ѵ

Q. The phrase “if and only if” is used to express……………………………………………………….

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 v q ) ≡ q v p )

Q. If A is true, X is false , then the truth value of the compound statement (A . ~X)

Q. p v q) is logically equivalent to ………………………………..

Q. ‘It is not the case that Ramesh is honest’ is symbolised as ------

Q. Modus Ponens means _______ the antecedent and the consequent.