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Q. In conjunctive propositions, two simple propositions are joined by the word _________.

Q. If A and B are true, X and Y are false , then the truth value of the compound Statement [ (A כ B) .( Y. X)]

Q. ‘Some fruits are not ripe’ is symbolized as

Q. Raju is either sick or lazy is an example for

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

Q. The statement form with only true substitution instances is called _________.

Q. ( p . q) is an example for --- statement forms

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

Q. In Conjunction the word ------- is used to conjoin statements

Q. In collaboration with A.N. Whitehead, ----- published Principia Mathematica