INTERNAL TALK 21 - HOW TO AVOID FALLACIES? - BÙI TRẦN CA DAO, Jan 24th, 2022

30/ 01/ 2022

Fallacy is an intentional violation of the logic principles of reasoning aimed at distracting listeners and readers, causing others to mistake the rights for the wrongs and the wrongs for the rights. Aristotle was the first to systematize fallacies into a catalog with the text Sophistical Refutations (De Sophisticis Elenchis) that identified thirteen fallacies. Logicists later identified dozens of other kinds.

A better understanding of fallacy will help us not accidentally fall into the middle of it and avoid useless arguments.
Some common types of fallacy:

1. Begging the question

An argument's premises assume the truth of the conclusion, instead of supporting it. Speakers only repeat and repeat their conclusions.

Eg:

- Opium makes people sleepy because it promotes sleepiness.

2. Hasty generalization

Jumping into inductive conclusions without testing a sufficient sample size.

Eg:

- Koreans are beautiful. You can tell just by looking at Bi Rain.

3. Slippery slope

Arguments assert that something atrocious will happen from a trivial event.

Eg:

If you vote for him, taxes will increase. If taxes go up, your company will go bankrupt, and you lose your job.

4. Strawman

When someone takes another person’s argument, distorts it in some kind of extreme way, and then attacks the extreme distortion, as if that is really the claim the first person is making.

Eg: 

- I think young people these days should be given more space to be able to make choices for themselves.

- I don't agree with you. You can't let kids do what they want. They'll be ruined soon.

5. Ad hominem

The speaker attacks the person making an argument rather than the content of the argument itself.

Eg:

- What a terrible restaurant!
- Why do you say so? Can you cook as well as they do?

6. Black-or-white

The argument tries to force 2 opposite extreme possibilities, either this pole or the other and eradicating other possibilities.

Eg: 

- If you don't support me, you're against me. So, you're looking down on me.

7. Faulty analogy

The speaker replaces the original argument with a new one that is not equivalent in the course of an argument: prove the new argument right to infer that the original argument is right.

Eg:

- Should we clean up our office?
- We did last month. It doesn't have to be that often, does it?
- You lazy bastard! You just want to keep the trash in your room.

8. Appeal to the people

Prove an argument right because many people consider it right.

Eg:

Teacher: Why did you cheat on the test?
Student: Don't other friends do the same thing?

9. Appeal to the authority

The opinion of an authority on a topic is used as evidence to support an argument.

Eg:

- I can't be wrong because Professor A recognized that I was good.

Recommended reading list

Asking the right question - A guide to critical thinking - M. Neil Browne & Stuart M. Keeley

The Thinker's Guide to Fallacies: The Art of Mental Trickery and Manipulation - Richard Paul & Linda Elder

Bad arguments - Ali Almossawi (Vietnamese translation is available at Ex Libris Hermes)

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