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Q. If (x) Mx is true, then (∃x ) Mx is …………………………..

Q. Two statements are ………………… when their material equivalence is a tautology

Q. The truth value of a false statement is ------

Q. Bi-conditional statement is also called ………………….

Q. An invalid argument form is one that has at least one substitution_________ with true premises and a false conclusion

Q. The statement form p v ~p is a

Q. If (∃ x ) Mx is true, then x) Mx is …………………

Q. “it is not the case that the antecedent is true and the consequent is false” is symbolized as……………………………………….

Q. The components of a disjunction are called ------------

Q. The negaton of A V B is symbolized as ………………