Posted by **Anne** on Thursday, December 14, 2006 at 1:43pm.

a) Using long or short truth tables (symbolize as necessary and show tables) determine and state whether the following argument is valid, briefly explaining your table; and b) if valid, demonstrate validity by deductions using Group I rules.

Arg

If Peter is perceptive, then Quincy is a quack. Quincy, however, is not a quack. So Peter's not perceptive. (Hint: this is a valid argument)

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