Reasoning

Logic and Fallacies

1,716 Questions

Understand the fundamentals of propositional logic, logical inference rules, and paradoxes. This set includes identifying logical fallacies, including those found in classical Nyaya logic. Strong grasp of these concepts is crucial for scoring well in the reasoning sections of competitive tests.

Propositional logic modelsLogical inference rulesTypes of logical fallaciesParadoxes and contingent truthsNyaya logic concepts

Logic and Fallacies Questions

Multiple choice

What is the fallacy of assuming that a conclusion is true simply because it follows from a series of seemingly logical steps, without considering the validity of the premises or the reasoning process?

  1. Non Sequitur

  2. Circular Reasoning

  3. Affirming the Consequent

  4. Denying the Antecedent
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Non Sequitur is a fallacy that occurs when a conclusion does not logically follow from the premises. It involves a gap in the reasoning process, where the conclusion is not supported by the evidence or arguments presented.

Multiple choice

Which logical fallacy is commonly discussed in Indian logic?

  1. Affirming the consequent

  2. Denying the antecedent

  3. Appeal to ignorance

  4. Ad hominem
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Affirming the consequent is a logical fallacy that occurs when one assumes that the truth of the consequent implies the truth of the antecedent.

Multiple choice

Which logical fallacy is associated with the misuse of language in Indian logic?

  1. Shabda-jati

  2. Shabda-vyapti

  3. Shabda-hetvabhasa

  4. Shabda-dharmakirti
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Shabda-hetvabhasa refers to the logical fallacy associated with the misuse of language in Indian logic.

Multiple choice

What is the term for the logical fallacy of circular reasoning in Indian logic?

  1. Chakraka

  2. A循環

  3. B循環

  4. C循環
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chakraka is the term for the logical fallacy of circular reasoning in Indian logic.

Multiple choice

What is the term for the logical fallacy of begging the question in Indian logic?

  1. Vrutta

  2. A循環

  3. B循環

  4. C循環
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vrutta is the term for the logical fallacy of begging the question in Indian logic.

Multiple choice

What is the term for the logical fallacy of overgeneralization in Indian logic?

  1. Vyabhichara

  2. A循環

  3. B循環

  4. C循環
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vyabhichara is the term for the logical fallacy of overgeneralization in Indian logic.

Multiple choice

What do you call a math problem that's impossible to solve?

  1. A headache

  2. A nightmare

  3. A brain teaser

  4. A mathematical enigma
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A mathematical enigma is a humorous way to describe a math problem that is very difficult or impossible to solve.

Multiple choice

Which of the following is not a type of logical fallacy?

  1. Ad hominem

  2. Straw man

  3. Begging the question

  4. Affirming the consequent
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Affirming the consequent is a valid argument form, unlike the other options which are logical fallacies.

Multiple choice

Which of the following is not a type of logical fallacy?

  1. Ad hominem

  2. Straw man

  3. Begging the question

  4. Affirming the consequent
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Affirming the consequent is a valid argument form, unlike the other options which are logical fallacies.

Multiple choice

Which of the following is an example of a valid syllogism using a Svabhava Hetu?

  1. All fire is hot because it burns things

  2. All smoke is a sign of fire because it is always produced by fire

  3. The absence of smoke is a sign of the absence of fire
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

All fire is hot because it burns things is an example of a valid syllogism using a Svabhava Hetu because the hetu (burning things) is inherent in the nature of fire.

Multiple choice

Which of the following is an example of a valid syllogism using a Karya Hetu?

  1. All fire is hot because it burns things

  2. All smoke is a sign of fire because it is always produced by fire

  3. The absence of smoke is a sign of the absence of fire
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

All smoke is a sign of fire because it is always produced by fire is an example of a valid syllogism using a Karya Hetu because the hetu (being produced by fire) is an effect or result of fire.

Multiple choice

Which of the following is an example of a valid syllogism using an Asatkarya Hetu?

  1. All fire is hot because it burns things

  2. All smoke is a sign of fire because it is always produced by fire

  3. The absence of smoke is a sign of the absence of fire
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The absence of smoke is a sign of the absence of fire is an example of a valid syllogism using an Asatkarya Hetu because the hetu (absence of smoke) is the absence of an effect or result that would be expected if fire were present.

Multiple choice

Which of the following is a key feature of Indian logic that distinguishes it from Western logic?

  1. Emphasis on syllogistic reasoning

  2. Inclusion of non-classical logics

  3. Focus on the role of language in reasoning

  4. Reliance on deductive arguments
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Indian logic is renowned for its exploration of non-classical logics, such as many-valued logic and paraconsistent logic, which challenge the traditional assumptions of Western logic.

Multiple choice

Which of the following is a type of fallacy in Nyaya logic that occurs when the conclusion is not logically connected to the premises?

  1. Anaikantika

  2. Satpratipaksa

  3. Viruddha

  4. Asiddha
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Anaikantika is a type of fallacy in Nyaya logic that occurs when the conclusion is not logically connected to the premises and there are other possible explanations for the evidence.

Multiple choice

What is the name of the logical fallacy that involves drawing a conclusion based on insufficient or irrelevant evidence?

  1. Ad hominem

  2. Straw man

  3. Post hoc ergo propter hoc

  4. Begging the question
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Post hoc ergo propter hoc is a logical fallacy that occurs when a conclusion is drawn based on the assumption that because one event follows another, the first event caused the second.