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Q. Name the rule of inference ( P Ͻ q ) ≡ Q Ͻ P )

Q. Validity of a deductive argument depends upon the ________ of the argument.

Q. ‘Ram and Dinesh will not both be elected’ is symbolized as

Q. A valid standard form categorical syllogism must contain exactly __________terms, each of which is used in the same sense throughout the argument.

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

Q. A general proposition is formed from a propositional function by placing either a universal or an existential __________before it.

Q. A simple proposition is ………………………………………………………………….

Q. Symbolic expression of ‘p implies q’ is

Q. Which one of the following is logically equivalent to ‘p’

Q. A proposition ___________term, if it refers to all members of the class designated by the term