 
			 
			MCQOPTIONS
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				| 1. | Let the statement be “If n is not an odd integer then square of n is not odd.”, then if P(n) is “n is an not an odd integer” and Q(n) is “(square of n) is not odd.” For direct proof we should prove _________ | 
| A. | ∀nP ((n) → Q(n)) | 
| B. | ∃ nP ((n) → Q(n)) | 
| C. | ∀n~(P ((n)) → Q(n)) | 
| D. | ∀nP ((n) → ~(Q(n))) | 
| Answer» B. ∃ nP ((n) → Q(n)) | |