logic-15-jan - Basic tasks of Logic: 1. Find the structure...

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Basic Definitions Logic the study of arguments , especially their structure, with the aim to distinguish between successful and unsuccessful arguments Argument i) a case for against some point Statements ‐‐ the conclusion ‐‐ on the strength of of the evidence given in the other statements ‐‐ the premises . ii) a collection of statements in which an attempt is being made to prove one of the ii) the factual meaning(s) or the information content in a sentence, a phrase, a sign, or a gesture Statement/Proposition i) a unit of factual information; a factual unit Conclusion a statement in an argument that is allegedly proved by the premises Premise a statement in an argument used in support of the conclusion Basic Fact About Logic: There are only two basic tasks of logic
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Unformatted text preview: Basic tasks of Logic: 1. Find the structure of an argument; i.e. the arrangement of its premises and conclusion 2. Test the structure of an argument for validity/invalidity or success/failure Dissecting Structure 1. Separate statements of an argument 2. Map premises and conclusions For Next Week: 1. Read pp. 1 7 of the text, add definitions in the text to list 2. Dissect arguments 1 11, 13 14 on pp. 8,9 Dr. O'Connor, FH 310, x5834 oconnoda@shu.edu, email preferred Text: Hurley, A Concise Introduction to Logic, 10ed Grade: Exams (3) 100% Best 2/4 quizzes 3% padding Introduction, Structure of Arguments 15 Jan Tuesday, January 15, 2008 5:30 PM Logic Page 1...
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