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Unformatted text preview: Philosophy and The Science Review 27/02/2008 01:09:00 1. Philosophical Concepts A. Arguments Set containing premise and conclusion Premise - reasons to believe something is true. Conclusion - what the premise supports. B. Validity and Invalidity Validity - the truth of the premise logically guarantees the truth of the conclusion. Invalidity - the conclusions truth is not guaranteed by the premises truth. C. Truth, Soundness, and Cogency Truth - a property of proposition (a proposition is the content of your belief) Soundness- what your saying has to be valid and the premises true. D. Induction and Deduction Induction - if the premises are true, then the conclusion is probably true. Deduction- if the premises are true, the conclusion is definitely true. E. Truth Necessary Conditions If P, then Q Q is necessary for P P is sufficient for Q Example: If Im in Boulder, then Im in Colorado....
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- Spring '08