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What is Logic About? Logic is the study of good and bad Reasoning.

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Presentation on theme: "What is Logic About? Logic is the study of good and bad Reasoning."— Presentation transcript:

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2 What is Logic About? Logic is the study of good and bad Reasoning.

3 What is Logic About? Al is taller than Bill. Bill is taller than Carol. GOOD So Al is taller than Carol. Logic is the study of good and bad Reasoning.

4 What is Logic About? Logic is the study of good and bad Reasoning. Al is taller than Bill. Bill is taller than Carol. BAD So Carol is taller than Al.

5 What is Logic About? Logic is the study of good and bad Reasoning. This course will teach you mathematical methods for distinguishing good from bad reasoning. Al is taller than Bill. Bill is taller than Carol. BAD So Carol is taller than Al.

6 What is Logic About? We need some technical vocabulary…

7 What is Logic About? We need some technical vocabulary… Argument: A “chunk” of reasoning.

8 What is Logic About? We need some technical vocabulary… Argument: A “chunk” of reasoning. Valid: The reasoning is GOOD.

9 Arguments All UH students are communists. All communists like broccoli. All UH students like broccoli. Argument Arguments are “chunks”of reasoning.

10 Arguments All UH students are communists. All communists like broccoli. All UH students like broccoli. Argument Arguments are “chunks”of reasoning. Statement

11 Arguments All UH students are communists. All communists like broccoli. All UH students like broccoli. Argument Arguments are “chunks”of reasoning. Premises

12 Arguments All UH students are communists. All communists like broccoli. All UH students like broccoli. Argument Arguments are “chunks”of reasoning. Conclusion Premises For more click heremoreclick here

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