IntroToDeduct - 3. New premises may completely undermine a...

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Deduction Induction 1. Induction is ampliative. The conclusion of an inductive argument has content that goes beyond the content of its premises. 1. In a valid deductive argument, all of the content of the conclusion is present, at least implicitly, in the premises. Deduction is nonampliative. 2. If the premises are true, the conclusion must be true. Valid deduction is necessarily truth preserving 2. A correct inductive argument may have true premises and a false conclusion. Induction is not necessarily truth preserving 3. If new premises are added to a valid deductive argument (and none of its premises are changed or deleted) the argument remains valid. Deduction is erosion-proof.
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Unformatted text preview: 3. New premises may completely undermine a strong inductive argument. Induction is not erosion-proof . 4. Deductive validity is an all-or-nothing matter; validity does not come in degrees. An argument is totally valid, or it is invalid. 4. Inductive arguments come in different degrees of strengt h. In some inductions the premises support the conclusions more strongly than in others. *Taken from: Introduction to the Philosophy of Science . Merilee H. Salmon, John Earman, Clark Glymour, James G. Lennox, Peter Machamer, J.E. McGuire, John D. Norton, Wesley C. Salmon, and Kenneth H. Schaffner. Englewood Cliffs: Prentice Hall, 1992. Introduction to Deduction...
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This note was uploaded on 11/10/2011 for the course MGMT 4199 taught by Professor Robertdesman during the Fall '11 term at Kennesaw.

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