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Q. An argument can be proved invalid by constructing another argument of the same form with …………………….

Q. The components of conjunction are called _________.

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

Q. ……………………………………. does not analyse the internal structure of propositions

Q. ‘p כ q’ is false if p is ----- and q is false

Q. ‘≡’ is the symbol for ________.

Q. No real connection between antecedent and consequent is suggested by …………

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

Q. Raju and Manu will both not win is symbolised as

Q. ………………………….. Symbol is used for conjunction