Lec 1 - Phil 1, Fall 2011 Instructor: Prof. Sven Bernecker...

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Phil 1, Fall 2011 Instructor: Prof. Sven Bernecker Slides for Lecture 1: Introduction: Analyzing Aguments
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Skills you need to do well in Philosophy • Analyzing statements and arguments • Imagining alternatives to familiar views and situations • Stating things explicitly, clearly, and succinctly • Thinking creatively
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What is an Argument? • An argument is a series of statements where the last statement supposedly follows from or is supported by the first statements. The last statement is called the conclusion , and the first statements are called the premises .
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Example of an Argument 1) Everyone who lives in Los Angeles lives in California. 2) Alvin lives in Los Angeles. 3) Therefore, Alvin lives in California.
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Validity • An argument is valid if its conclusion follows from its premises. or • An argument is valid if it satisfies the following condition: If its premises were true, then its conclusion would have to be true.
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Example of an Invalid Argument 1) Everyone who lives in Los Angeles lives in California. 2) Alvin lives in California. 3) Therefore, Alvin lives in Los Angeles.
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Valid Argument Forms Substitute P for “lives in Los Angeles” and Q for “lives in California”. We can state the valid Alvin-argument in the
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This note was uploaded on 04/05/2012 for the course ECON 25 taught by Professor Shirey during the Spring '11 term at UC Irvine.

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Lec 1 - Phil 1, Fall 2011 Instructor: Prof. Sven Bernecker...

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