Philosophy_110_Chp_14[1]

Philosophy_110_Chp_14[1] - 5/3/2009 Compounding of...

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5/3/2009 1 Chapter 14 Evaluating Chain, Linked & Convergent Arguments Compounding of Inferences (Chain Arguments) The Compounded Weak Inferences Principle: With chain arguments with ALL inferences between no strength and valid, the overall inference will be weaker than any one of the inferences alone with the proviso that the overall sequence will not be of no strength unless one of the inferences is of no strength. “Bumping down” the Inference Example: Inference from 1 to 2: very strong Inference from 2 to 3: moderately strong Compound: very weak Example: Inference from 1 to 2: moderately strong Inference from 2 to 3: very weak Inference from 3 to 4: extremely strong Compound: very extremely weak The Compounded Weak Premises Principle (Linked Arguments) A linking of premises that are somewhere between completely non-credible and completely credible will be less credible than any one of the premises separately, with the proviso that the linking will not be completely
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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_Chp_14[1] - 5/3/2009 Compounding of...

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