An author argues that moral relativism leads to a paradox: if all moral systems are equally valid, then one cannot criticize any practice. This is an example of:

A Ad hominem attack

B Reductio ad absurdum — showing a position leads to an unacceptable conclusion

C Straw man

D Appeal to authority

✓ Correct Answer: Option B

By showing that moral relativism leads to the inability to condemn harmful practices (an absurd conclusion), the author uses reductio ad absurdum.

💡 Why is B) the correct answer?

The correct answer to the question "An author argues that moral relativism leads to a paradox: if all moral systems are equally valid, then one cannot criticize any practice. This is an example of:" is Option B: Reductio ad absurdum — showing a position leads to an unacceptable conclusion.

The other options — A) Ad hominem attack, C) Straw man, D) Appeal to authority — are incorrect for this MCAT Exam Prep question. As explained above: By showing that moral relativism leads to the inability to condemn harmful practices (an absurd conclusion), the author uses reductio ad absurdum.

📚 About This MCAT Exam Prep Practice Question

This 3-level MCAT Exam Prep question from the Critical Analysis & Reasoning (CARS) topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free MCAT Exam Prep practice test or use flashcards for spaced repetition review.

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An author argues that moral relativism leads to a paradox: if all moral systems are equally valid, then one cannot criticize any practice. This is an example of:

✓ Correct Answer: Option B

📚 About This MCAT Exam Prep Practice Question

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