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

Q. ---------- symbol stands for ‘either - or ’ relationship.

Q. Refutation by logical analogy is based on the fact that any argument whose specific form is an invalid argument form is ………………………..

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

Q. The use of language that seeks for guide or to command is --- function of language

Q. ‘An Investigation of the Laws of Thought’ is the work of -----

Q. A valid argument with all true premises is termed as ------- argument

Q. Conjunction is a compound proposition in which the word ………… is used to connect simple statements.

Q. The process of obtaining a proposition from a propositional function by substituting a constant for a variable is called …………………………………

Q. Name the rule of inference ( p . q ) ≡ ( q . p )