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Propositional Logic: Logical Arguments and Enthymemes

Description: This quiz is designed to assess your understanding of propositional logic, including logical arguments and enthymemes.
Number of Questions: 15
Created by:
Tags: propositional logic logical arguments enthymemes
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Which of the following is a valid argument form?

  1. Modus Ponens

  2. Modus Tollens

  3. Hypothetical Syllogism

  4. Disjunctive Syllogism

  5. All of the above

Show answer
Correct Option: E
Explanation:

All of the options provided are valid argument forms in propositional logic.

What is the difference between a deductive argument and an inductive argument?

  1. Deductive arguments are always valid, while inductive arguments are not.

  2. Deductive arguments are based on evidence, while inductive arguments are not.

  3. Deductive arguments are concerned with the relationship between premises and conclusions, while inductive arguments are concerned with the probability of a conclusion.

  4. Deductive arguments are used to prove a conclusion, while inductive arguments are used to support a conclusion.

  5. All of the above

Show answer
Correct Option: E
Explanation:

All of the options provided are correct differences between deductive and inductive arguments.

What is an enthymeme?

  1. An enthymeme is a deductive argument that has one or more premises suppressed.

  2. An enthymeme is an inductive argument that has one or more premises suppressed.

  3. An enthymeme is a type of logical fallacy.

  4. An enthymeme is a type of rhetorical device.

  5. All of the above

Show answer
Correct Option: A
Explanation:

An enthymeme is a deductive argument in which one or more premises are suppressed, but are still implied by the argument.

Which of the following is an example of an enthymeme?

  1. All men are mortal. Socrates is a man. Therefore, Socrates is mortal.

  2. Socrates is a man. Therefore, Socrates is mortal.

  3. All men are mortal. Therefore, Socrates is mortal.

  4. Socrates is a man. Therefore, all men are mortal.

  5. None of the above

Show answer
Correct Option: B
Explanation:

The argument "Socrates is a man. Therefore, Socrates is mortal." is an example of an enthymeme, because the premise "All men are mortal" is suppressed.

What is the difference between a logical fallacy and a valid argument?

  1. A logical fallacy is an argument that is based on false premises.

  2. A logical fallacy is an argument that is not valid.

  3. A logical fallacy is an argument that is persuasive but not necessarily true.

  4. A logical fallacy is an argument that is based on irrelevant evidence.

  5. All of the above

Show answer
Correct Option: E
Explanation:

All of the options provided are correct differences between a logical fallacy and a valid argument.

Which of the following is an example of a logical fallacy?

  1. Affirming the consequent

  2. Denying the antecedent

  3. Appeal to emotion

  4. Ad hominem

  5. All of the above

Show answer
Correct Option: E
Explanation:

All of the options provided are examples of logical fallacies.

What is the difference between a proposition and an argument?

  1. A proposition is a statement that is either true or false.

  2. An argument is a set of propositions that are used to support a conclusion.

  3. A proposition is a statement that is not necessarily true or false.

  4. An argument is a set of propositions that are used to prove a conclusion.

  5. All of the above

Show answer
Correct Option: E
Explanation:

All of the options provided are correct differences between a proposition and an argument.

Which of the following is an example of a proposition?

  1. All men are mortal.

  2. Socrates is a man.

  3. Therefore, Socrates is mortal.

  4. The sky is blue.

  5. All of the above

Show answer
Correct Option: E
Explanation:

All of the options provided are examples of propositions.

Which of the following is an example of an argument?

  1. All men are mortal.

  2. Socrates is a man.

  3. Therefore, Socrates is mortal.

  4. The sky is blue.

  5. All of the above

Show answer
Correct Option: C
Explanation:

The statement "Therefore, Socrates is mortal." is an example of an argument, because it is a set of propositions that are used to support a conclusion.

What is the difference between a syllogism and an enthymeme?

  1. A syllogism is a deductive argument that has two premises and a conclusion.

  2. An enthymeme is a deductive argument that has one or more premises suppressed.

  3. A syllogism is a valid argument.

  4. An enthymeme is a valid argument.

  5. All of the above

Show answer
Correct Option: E
Explanation:

All of the options provided are correct differences between a syllogism and an enthymeme.

Which of the following is an example of a syllogism?

  1. All men are mortal.

  2. Socrates is a man.

  3. Therefore, Socrates is mortal.

  4. The sky is blue.

  5. All of the above

Show answer
Correct Option:
Explanation:

The argument "All men are mortal. Socrates is a man. Therefore, Socrates is mortal." is an example of a syllogism, because it is a deductive argument that has two premises and a conclusion.

Which of the following is an example of a deductive argument?

  1. All men are mortal.

  2. Socrates is a man.

  3. Therefore, Socrates is mortal.

  4. The sky is blue.

  5. All of the above

Show answer
Correct Option:
Explanation:

The argument "All men are mortal. Socrates is a man. Therefore, Socrates is mortal." is an example of a deductive argument, because it is a valid argument that has true premises and a true conclusion.

Which of the following is an example of an inductive argument?

  1. All men are mortal.

  2. Socrates is a man.

  3. Therefore, Socrates is mortal.

  4. The sky is blue.

  5. All of the above

Show answer
Correct Option: D
Explanation:

The statement "The sky is blue." is an example of an inductive argument, because it is a statement that is based on evidence but is not necessarily true.

What is the difference between a valid argument and a sound argument?

  1. A valid argument is an argument that has true premises and a true conclusion.

  2. A sound argument is an argument that has valid premises and a true conclusion.

  3. A valid argument is an argument that has true premises but not necessarily a true conclusion.

  4. A sound argument is an argument that has valid premises but not necessarily a true conclusion.

  5. All of the above

Show answer
Correct Option: B
Explanation:

A sound argument is an argument that has valid premises and a true conclusion, while a valid argument is an argument that has true premises but not necessarily a true conclusion.

Which of the following is an example of a sound argument?

  1. All men are mortal.

  2. Socrates is a man.

  3. Therefore, Socrates is mortal.

  4. The sky is blue.

  5. All of the above

Show answer
Correct Option:
Explanation:

The argument "All men are mortal. Socrates is a man. Therefore, Socrates is mortal." is an example of a sound argument, because it is a valid argument that has true premises and a true conclusion.

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