Logical Fallacies: How Reasoning Goes Wrong: 25 flashcards

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1. What is a logical fallacy?

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A flaw in reasoning itself, not necessarily a false conclusion.

2. What do fallacies exploit in human thinking?

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Heuristics — fast mental shortcuts that usually serve us well.

3. Formal fallacy vs informal fallacy — where does the flaw live?

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Formal: in the argument's structure. Informal: in the content or context.

4. Which type of fallacy is most common in everyday life?

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Informal fallacies.

5. Define ad hominem.

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Attacking the arguer instead of the argument.

6. What is the straw man fallacy?

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Replacing an opponent's position with a weaker, exaggerated version and defeating that.

7. What is a false dilemma?

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Presenting only two options when more exist.

8. What is circular reasoning?

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Assuming what you are trying to prove.

9. What is a slippery slope argument?

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Asserting a chain of consequences without evidence for each link.

10. What is the bandwagon fallacy?

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Appealing to popularity rather than evidence.

11. When is appeal to authority a fallacy?

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Only when the authority is irrelevant, unnamed, or outside their expertise.

12. What is appeal to tradition?

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Assuming something is right because it is old.

13. What are scare tactics?

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Using fear to bypass reasoning.

14. What is tu quoque?

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Deflecting criticism by accusing the critic of the same thing.

15. Is every weak argument a fallacy?

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No — some claims are simply unsupported without being fallacious.

16. Can a fallacy appear in an argument with a true conclusion?

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Yes — the conclusion may be true even if the reasoning is flawed.

17. What are the four steps of the ad hominem pattern?

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1) Claim made, 2) arguer attacked, 3) audience distracted, 4) claim dismissed.

18. Why do fallacies feel convincing?

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They trigger emotional or social responses rather than logical ones.

19. What question helps counter emotional manipulation?

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'What is actually being claimed?'

20. What is a practical response to a false dilemma?

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Offer a third option.

21. What is the real payoff of studying fallacies?

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Calibrating belief and resisting manipulation — not winning debates.

22. Where do fallacies commonly appear?

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Advertising, politics, social media, and science communication.

23. Why is naming the specific flaw better than shouting 'fallacy!'?

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It is more precise and keeps the discussion productive.

24. What is the antidote to a straw man?

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Restate the opponent's actual position and address it.

25. What is the fix for a slippery slope?

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Demand evidence for each link in the chain.

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