Logical Fallacies, practice

Front

Identify the logical fallacy committed. It is ridiculous to have spent thousands of dollars to rescue those two whales trapped in the Arctic ice. Why, look at all the people trapped in jobs they don’t like.

Back

Weak analogy, Weak analogy fallacy

Front

Identify the logical fallacy committed. Plagiarism is deceitful because it is dishonest.

Back

Begging the question, Circular reasoning, Begging the question fallacy

Answer explanation

"Deceitful" already means dishonest. Therefore, you did not prove how plagiarism is deceitful because you basically repeated the word. It's like saying A is B because B.

Front

Identify the logical fallacy committed: Water fluoridation affects the brain. Citywide, student’s test scores began to drop five months after fluoridation began. The water fluoridation must have caused the student's test scores to drop. Options: Post hoc, Post hoc fallacy, False cause, False cause fallacy

Back

Post hoc, Post hoc fallacy, False cause, False cause fallacy

Front

Identify the logical fallacy committed: I know three redheads who have terrible tempers, and since Annabel has red hair, I’ll bet she has a terrible temper too.

Back

Hasty generalization, Hasty generalization fallacy

Front

Identify the logical fallacy committed.
You support capital punishment just because you want an “eye for an eye,” but I have several good reasons to believe that capital punishment is fundamentally wrong…

Back

Straw man

Front

Identify the logical fallacy committed. We can’t freeze the academic year because then students won’t graduate on time. Next thing you know most people will be unemployed and will resort to crime. The crime rate will skyrocket and society will collapse.

Back

Slippery slope, Slippery slope fallacy

Front

Identify the logical fallacy committed. The book "Investing for Dummies" really helped me understand my finances better. The book "Chess for Dummies" was written by the same author, was published by the same press, and costs about the same amount, so it would probably help me understand my finances as well.

Back

Weak analogy, Weak analogy fallacy

Front

Identify the logical fallacy committed: Look, you are going to have to make up your mind. Either you decide that you can afford this stereo, or you decide you are going to do without music for a while. Options: False dichotomy, Weak analogy, Straw man, Red herring.

Back

False dichotomy

Front

Identify the logical fallacy committed. We shouldn’t put her in jail even if she stole billions of pesos. She is already too old to be locked up.

Back

Appeal to pity, Appeal to pity fallacy

Front

Identify the logical fallacy committed. There is a global recession and more people are becoming hungry and desperate. Crimes of theft and robbery have been increasing at an alarming rate lately. The only way to solve this problem is by reinstating the death penalty

Back

Red herring