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Argument

Argument. By Mrs. Shoulders. What is an argument?. A group of statements that support a conclusion. Made up of one or more premises and a conclusion. Three Stages: Premises, Inference, Conclusion A sound argument includes true premises. Not a quarrel, bickering or verbal fighting.

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Argument

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  1. Argument By Mrs. Shoulders

  2. What is an argument? • A group of statements that support a conclusion. • Made up of one or more premises and a conclusion. • Three Stages: Premises, Inference, Conclusion • A sound argument includes true premises. • Not a quarrel, bickering or verbal fighting.

  3. What is a premise? • A statement that is either true or false. • A premise supports the claim being made, which is the conclusion. • A false premise leads to an incorrect conclusion. Since the premise is not correct, the conclusion may be in error.

  4. Example of a Valid Argument • Premise One: All insects have wings. • Premise Two: Woodlice are insects. • Conclusion: Woodlice have wings.

  5. Argument With False Premise • Premise One: When it rains the streets get wet. • Premise Two: The streets are wet. • Conclusion: It has rained.

  6. Examples of False Premises and Unsound Arguments • Premise 1: Most Americans love pizza. • Premise 2: Juan is an American • Conclusion: Juan loves pizza. • Premise 1: Having just arrived in Ohio, I saw a white squirrel. • Conclusion: All squirrels in Ohio are white.

  7. Resources • Basic Inductive and Deductive Arguments http://www.youtube.com/watch?v=ZBxE0y7b464 • Constructing a Logical Argument http://virtualschool.edu/mon/SocialConstruction/Logic.html • Fallacies http://www.nizkor.org/features/fallacies/

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