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Unformatted text preview: Ex. The instructor is tall. The instructor is not tall. (Contradiction) Ex. The instructor is tall. The instructor is short. (Contraries) Counterexamples p. 112-119 Propositional Ex. All Fs are G. There is something that is F but not G. P1 What is repulsive is morally wrong. P2 Homosexual sex is repulsive. C Homosexual sex is morally wrong. Counterexample: Throwing up is repulsive, but not morally wrong....
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- Summer '07