QQuestionPhilosophy
QuestionPhilosophy
Which of the following is an example of the affirming the consequent fallacy?
A. If A, then B. B is true. Therefore, A is not true.
B. If A, then B. B is true. Therefore, A is true.
C. If A, then B. B is not true. Therefore, A is true.
D. If A, then B. A is true. Therefore, B is not true.
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Answer
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Step 1:I'll solve this logic problem step by step:
Step 2:: Understand the structure of the affirming the consequent fallacy
- The logical structure is: $$P \rightarrow Q, Q \therefore P
- The fallacy occurs when someone incorrectly concludes that if the consequent (B) is true, then the antecedent (A) must also be true
Step 3:: Analyze each option carefully
Option D: $$P \rightarrow Q, P \therefore \neg Q
- This is NOT affirming the consequent - This statement actually represents a valid logical form - THIS IS the affirming the consequent fallacy - Just because Q is true does not guarantee P is true - Example: "If it's raining, the ground is wet. The ground is wet. Therefore, it's raining." (But the ground could be wet for other reasons) - This is a different logical fallacy (denying the consequent) - This is not a recognized logical fallacy
Final Answer
B is the example of the affirming the consequent fallacy.
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