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Q. ‘ Something is mortal’ is symbolized as

Q. ’statement form from which the statement results by substituting a different simple statement for each different statement variable’ is called ……………………..

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

Q. Inductive arguments involve the claim only that their premises provide __________ grounds for their conclusions.

Q. Any conditional with a true antecedent and a false consequent must ____________

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

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

Q. ‘If it is raining then the ground will be wet’ is an example of ________.

Q. Which word is used to form the disjunction of two statements?

Q. Which of the following is the substitution instance of the statement form p. ~p