Homework Help: critical thinking

Posted by Anonymous on Sunday, December 11, 2011 at 4:57pm.

Show, using your own examples, how affirming the consequent and denying the antecedent are deductively invalid argument forms. What makes these examples of forms of fallacious reasoning?
I answered half of the question already but i'm stuck on these two key points related to the question .can you please help me..

1.Explain invalidity with reference to deduction.
2. Explain how the argument forms are fallacious.

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