Philosophy_110_Chp8[1] - 3/31/2009 Review Difference...

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3/31/2009 1 Chapter 8 Short Deductive Evaluation & Unknown Aspects of Evaluation Review Difference between Inductive and Deductive Evaluation Deduction is akin to mathematical truths (I.e. 2+2 MUST equal 4). Induction is akin to scientific evidence: we amass pieces of information and our conclusion is PROBABLY true. What’s a valid argument? What is it about the argument that let’s us know it is VALID? It’s STRUCTURE. With argument evaluation, like argument analysis, we are often looking at the way our statements hang together. It’s not whether the premises are TRUE or FALSE. What’s a sound argument? What if we don’t know if a statement is TRUE or FALSE ? Then we must say “UNKNOWN” for the evaluation of the argument as a whole. Review: Homework All women are nuns. Madonna is a woman. Therefore, Madonna is a nun. VALID ARGUMENT “IF ‘all women are nuns’ AND IF ‘Madonna is a woman’ then Madonna MUST BE a nun.” 7.2/7.4/7.6
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This note was uploaded on 09/16/2011 for the course PHIL 110 taught by Professor Kay during the Spring '07 term at S.F. State.

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Philosophy_110_Chp8[1] - 3/31/2009 Review Difference...

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