28 - yes: valid/ no: invalid ii. NOTE: The pre b. Validity...

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Validity 9/28 I. Two Ways That a Conclusion can Follow From a Set of Premises a. The strong sense i. If the premise of the argument were true, the conclusion would have to be true. b. The weaker sense i. If the premise of the argument were true, the conclusion would probably be true. II. Validity Arguments And argument is valid if and only if it is impossible for the premise to be true and the conclusion false. a. A Test for Validity i. “if the premises were true, would the conclusion have to be true as well?”
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Unformatted text preview: yes: valid/ no: invalid ii. NOTE: The pre b. Validity and Form i. Arguments are valid in virtue of their form III. Invalid Arguments a. An argument is invalid if and only if It is not valid b. NOTE: validity is an all or nothing concept. All arguments are either valid or invalid IV. Valid and Invalid Arguments: a. True Premises, True Conclusion b. Examples on power point c....
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This note was uploaded on 03/03/2011 for the course PHIL 100 taught by Professor Forte during the Fall '08 term at Bridgewater State University.

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