Reasoning

Logic and Fallacies

1,803 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

Which of the following is a type of logical fallacy?

  1. Ad Hominem

  2. Straw Man

  3. Begging the Question

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Logical fallacies are errors in reasoning that can lead to incorrect conclusions. Ad Hominem is an attack on the person making the argument rather than the argument itself. Straw Man is misrepresenting someone's argument in order to make it easier to attack. Begging the Question is assuming the conclusion of an argument in the premises.

Multiple choice

Which of the following is a type of mathematical proof?

  1. Direct Proof

  2. Indirect Proof

  3. Constructive Proof

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Direct Proof, Indirect Proof, and Constructive Proof are all types of mathematical proofs. Direct Proof proves a statement by showing that it is true. Indirect Proof proves a statement by showing that its negation leads to a contradiction. Constructive Proof proves a statement by exhibiting an object that satisfies the statement.

Multiple choice

Which of the following is a type of mathematical logic?

  1. Propositional Logic

  2. Predicate Logic

  3. Modal Logic

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Propositional Logic, Predicate Logic, and Modal Logic are all types of mathematical logic. Propositional Logic is the study of logical connectives, such as and, or, and not. Predicate Logic is the study of quantifiers, such as for all and there exists. Modal Logic is the study of modalities, such as necessity and possibility.

Multiple choice

Which of the following is a type of logical fallacy?

  1. Ad Hominem

  2. Straw Man

  3. Begging the Question

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Logical fallacies are errors in reasoning that can lead to incorrect conclusions. Ad Hominem is an attack on the person making the argument rather than the argument itself. Straw Man is misrepresenting someone's argument in order to make it easier to attack. Begging the Question is assuming the conclusion of an argument in the premises.

Multiple choice

What is the term used to describe a twist ending that is based on a logical fallacy or inconsistency in the plot?

  1. Deus ex machina

  2. Red herring

  3. Plot hole

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

A plot hole is a logical inconsistency or gap in the plot that can undermine the believability of the story. Plot holes can be distracting and unsatisfying for readers, especially when they occur in the twist ending.

Multiple choice

What is the term used for the proposition that is to be proved in an inference?

  1. Sadhya

  2. Paksha

  3. Hethu

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

Sadhya is the proposition that is to be proved in an inference.

Multiple choice

Which member of an inference provides the reason or evidence for the conclusion?

  1. Sadhya

  2. Paksha

  3. Hethu

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

Hethu is the member of an inference that provides the reason or evidence for the conclusion.

Multiple choice

Which member of an inference is an example or instance that supports the conclusion?

  1. Sadhya

  2. Paksha

  3. Hethu

  4. Drishtanta
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Drishtanta is the member of an inference that is an example or instance that supports the conclusion.

Multiple choice

Which type of inference is based on the relationship between a cause and its effect?

  1. Kevalanvayi

  2. Anvayavyatireki

  3. Vyatireki

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

Kevalanvayi is the type of inference that is based on the relationship between a cause and its effect.

Multiple choice

What is the term for the type of inference that is based on the absence of a cause and its effect?

  1. Kevalanvayi

  2. Anvayavyatireki

  3. Vyatireki

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

Vyatireki is the term for the type of inference that is based on the absence of a cause and its effect.

Multiple choice

Which type of inference is based on the presence of a cause and the absence of its effect?

  1. Kevalanvayi

  2. Anvayavyatireki

  3. Vyatireki

  4. Savyabhichara
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Anvayavyatireki is the type of inference that is based on the presence of a cause and the absence of its effect.

Multiple choice

What is the term for the type of inference that is based on the absence of a cause and the presence of its effect?

  1. Kevalanvayi

  2. Anvayavyatireki

  3. Vyatireki

  4. Savyabhichara
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Savyabhichara is the term for the type of inference that is based on the absence of a cause and the presence of its effect.

Multiple choice

What is the term for the fallacy that occurs when a conclusion is drawn from insufficient evidence?

  1. Hetvabhasa

  2. Sadhyabhasa

  3. Pakshabhasa

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

Hetvabhasa is the term for the fallacy that occurs when a conclusion is drawn from insufficient evidence.

Multiple choice

What is the term for the fallacy that occurs when the conclusion contradicts the evidence?

  1. Savyabhichara

  2. Viruddha

  3. Asiddha

  4. Anaikantika
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Viruddha is the term for the fallacy that occurs when the conclusion contradicts the evidence.

Multiple choice

What does Syadvada mean?

  1. Conditional assertion

  2. Relative truth

  3. Multiple viewpoints

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Syadvada means conditional assertion, relative truth, and multiple viewpoints, all of which are key aspects of Jain philosophy.