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Unformatted text preview: then Peter can retire a rich man. • Validity o A valid argument has the following properties: IF the premises are true, THEN the conclusion must be true o An argument is valid If and Only If it is not possible for all of its premises to be true and its conclusion false. o Validity is a property of an argument's FORM, not its content. Relationship of terms/ideas whether than what the terms actually mean 1') All As are Bs. 2') All Cs are As. 3') Therefore, all Cs are Bs. ….no instance in which premises are T and conclusion is F • Argument Forms o Modus Ponens If p then q p-------------------Therefore, q...
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- Fall '08
- Logic, Conclusion, argument markers, Conclusion Markers