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Q. …………………. statements have the same meaning and may be substituted for one another

Q. ’ The conjunction of p with the disjunction of q with r’, is symbolized as …….

Q. The symbol for conjunction is --------

Q. ’ Ram is tall and Das is short’ is an example of --------- proposition

Q. ‘ p is a sufficient condition for q’ is symbolised as ----

Q. ………………………………….analyses the internal structure of propositions

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

Q. ‘p and negation q’ is the symbolized as

Q. The ‘Then’ part in a Hypothetical proposition is called

Q. The terms Validity/ Invalidity refers to