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Q. Name the rule of inference P . Q) ≡ P V Q)

Q. In a conditional, the component statement that follows “ then ” is called ……………

Q. A statement form that has only true substitution instances is called ……………………

Q. …………………………..Symbol is used for bi –conditional

Q. The symbolization for disjunction is __________

Q. The dot “ . ”symbol is……………………………………..

Q. Arguments, however are not properly characterized as being either true or false but valid and _________.

Q. The negation of a true statement is ---------

Q. The statement form ~(p.q) is logically equivalent to

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