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Understanding Arguments in Philosophy: Validity, Soundness, and Fallacies - Prof. Mark Dow, Study notes of Philosophy

An introduction to arguments in philosophy, explaining the concepts of validity and soundness, and discussing common fallacies such as modus ponens, modus tollens, and affirming the consequent. It also covers the logical operators 'if-then' and 'not'.

Typology: Study notes

Pre 2010

Uploaded on 09/26/2009

chelbell54
chelbell54 šŸ‡ŗšŸ‡ø

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Download Understanding Arguments in Philosophy: Validity, Soundness, and Fallacies - Prof. Mark Dow and more Study notes Philosophy in PDF only on Docsity! ā† Philosophy 1204 23/01/2009 17:25:00 ā† ā† Argument ā† - set of propositions consisting of premises and a conclusion ā† - The conclusion is a claim being advanced ā† - The premises are given as support for the conclusion, and reason for believing the conclusion is true ā† Validity and Soundness - an argument is valid if it has the proper logical structure/ form - an argument is sound if it is valid - All Aā€™s are Bā€™s, x is an A, therefore x is a B - P => Q (if P then Q) - P - Therefore Q ā€œmodus ponensā€ - If those premises are true, then the conclusions is guarunteed to be true Invalid: - ~ = not - P =>Q ā† - ā€œfallacy of denying the antecedentā€ - ā€œmodus tollensā€ - P= your boyfriend loves you - Q = he brings you roses on Val day - ā€œfallacy of affirming the consequentā€ - P1 if the grass is green, C grass is green - Any statement logically implies itself - Valid and sounds, but circular
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