Lecture 6 - Logic and Reasoning PHIL 102 [6] 12 Sept- Check...

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Unformatted text preview: Logic and Reasoning PHIL 102 [6] 12 Sept- Check Compass for the lecture notes- Do the homework- Reach out: John, Zach or me When Claims Conflict h If a claim conflicts with other claims we have good reason to accept, we have good grounds for doubting it. h If a claim conflicts with our background information, we have good reason to doubt it. Chapter 4: Reasons for Belief and Doubt When Claims Conflict h If a claim conflicts with other claims we have good reason to accept, we have good grounds for doubting it. h If a claim conflicts with our background information, we have good reason to doubt it. Chapter 4: Reasons for Belief and Doubt Example: Accept (known): John often borrows money from you. New claim (by John): I just bought a Ferrari! When Claims Conflict h If a claim conflicts with other claims we have good reason to accept, we have good grounds for doubting it. h If a claim conflicts with our background information, we have good reason to doubt it. Chapter 4: Reasons for Belief and Doubt When Claims Conflict h If a claim conflicts with other claims we have good reason to accept, we have good grounds for doubting it. h If a claim conflicts with our background information , we have good reason to doubt it. Chapter 4: Reasons for Belief and Doubt The large collection of very well-supported beliefs that we all rely on to inform our actions and choices When Claims Conflict h If a claim conflicts with other claims we have good reason to accept, we have good grounds for doubting it. h If a claim conflicts with our background information , we have good reason to doubt it. Chapter 4: Reasons for Belief and Doubt The large collection of very well-supported beliefs that we all rely on to inform our actions and choices Examples:- Laws of nature (gravitation) b reports about aliens- Conservation of energy b no free lunch- Random processes b lottery wins- Facts about people b average abilities b psychics- Reliability of reports b websites, TV stations, people Etc. When Claims Conflict h If a claim conflicts with other claims we have good reason to accept, we have...
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This note was uploaded on 12/20/2011 for the course PHIL 102 taught by Professor Rug during the Fall '11 term at University of Illinois, Urbana Champaign.

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Lecture 6 - Logic and Reasoning PHIL 102 [6] 12 Sept- Check...

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