2.2 The Logic Condition

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| By Kdelapla

Kdelapla

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Questions: 5 | Attempts: 339 | Updated: Nov 3, 2023

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Quiz yourself on the terms and concepts you learned in this section.

Questions and Answers

1.

If an argument has false premises then it violates the Logic Condition.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
False. An argument can have all false premises and still satisfy the Logic Condition.

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2.

Does the following argument satisfy the Logic Condition? 1. All stand-up comedians have low self-esteem. 2. Johnny is a stand-up comedian. Therefore, Johnny has low self-esteem.
- A.
  
  Yes, it does
- B.
  
  No, it does not
Correct Answer
A. Yes, it does

Explanation
Yes, it does. IF all the premises WERE true, the conclusion would follow.

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3.

Does the following argument satisfy the Logic Condition? 1. All stand-up comedians have low self-esteem. 2. Johnny has low self-esteem. Therefore, Johnny is a stand-up comedian.
- A.
  
  Yes, it does
- B.
  
  No, it does not
Correct Answer
B. No, it does not

Explanation
No, it does not. Lots of people other than comedians can have low self-esteem. Even if these premises were true, it wouldn't follow that Johnny is a comedian.

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4.

Does the following argument satisfy the Logic Condition? 1. The card in my hand either a club or a spade. 2. The card is not a club. Therefore, the card is a spade.
- A.
  
  Yes, it does.
- B.
  
  No, it does not.
Correct Answer
A. Yes, it does.

Explanation
Yes, it does. If it's either A or B, and it's not A, then it's got to be B.

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5.

Does the following argument satisfy the Logic Condition? 1. The person who gets this job must have either a PhD degree or at least 10 years of work experience. 2. The person who got the job has a PhD degree. Therefore, the person who got the job does not have at least 10 years of work experience.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The conclusion is false. This is a case where we can easily imagine that a person has BOTH a PhD AND at least 10 years of work experience. They aren't mutually exclusive. So the fact that the person has a PhD doesn't rule out the possibility that he also has at least 10 years of work experience. This kind of formal fallacy is discussed in the tutorial course titled "Common Valid and Invalid Argument Forms".

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Current Version
Nov 03, 2023

Quiz Edited by
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Aug 24, 2012

Quiz Created by
Kdelapla

2.2 The Logic Condition

If an argument has false premises then it violates the Logic Condition.

Does the following argument satisfy the Logic Condition? 1. All stand-up comedians have low self-esteem. 2. Johnny is a stand-up comedian. Therefore, Johnny has low self-esteem.

Does the following argument satisfy the Logic Condition? 1. All stand-up comedians have low self-esteem. 2. Johnny has low self-esteem. Therefore, Johnny is a stand-up comedian.

Does the following argument satisfy the Logic Condition? 1. The card in my hand either a club or a spade. 2. The card is not a club. Therefore, the card is a spade.

Does the following argument satisfy the Logic Condition? 1. The person who gets this job must have either a PhD degree or at least 10 years of work experience. 2. The person who got the job has a PhD degree. Therefore, the person who got the job does not have at least 10 years of work experience.