exercise20answers - 6 ∼ C ∨∼ A A ∼ C Disjunctive...

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Exercise 20 Answers Philosophy 102 (Maher) Spring 2009 1. V E V E Denying the antecedent (invalid). 2. L ⊃ ∼ P P L Modus tollens. 3. I A I A Invalid form. 4. I I M M Modus ponens. 5. M U U M Affirming the consequent (invalid).
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Unformatted text preview: 6. ∼ C ∨∼ A A ∼ C Disjunctive syllogism. 7. C ⊃ H ∼ H ⊃ N ∼ C ⊃ N Invalid form. 8. S ⊃ C I ⊃ S I ⊃ C Hypothetical syllogism....
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