1.7 Soundness.pdf - Philosophy Anna Donovan Chapter 1...

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1 Philosophy Anna Donovan Chapter 1, Section 1.7 Soundness - What is a Sound argument? - A sound argument is a valid argument that has all true premises - The conclusion of a sound argument will always be true There are 4 possible combinations of true and false premises in a deductive argument 1. True Premises, true conclusion (Valid, Sound) 2. True Premises, False conclusion (invalid, unsound) 3. False premises, true conclusion (Valid, unsound) 4. False premises, false conclusion (invalid, unsound) EX: 1. Katie is a human being. 2. Therefore, Katie is smarter than a chimpanzee

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