Which of the following arguments uses logical fallacy?A.My friend eats broccoli. This same friend was recently diagnosed with cancer. Broccoli must cause cancer.B.Everyone I see on a treadmill is overweight; therefore, treadmills must cause obesity.C.Jerico's favorite color is black, so he must be depressed.D.All of the above
Question
Which of the following arguments uses logical fallacy?A.My friend eats broccoli. This same friend was recently diagnosed with cancer. Broccoli must cause cancer.B.Everyone I see on a treadmill is overweight; therefore, treadmills must cause obesity.C.Jerico's favorite color is black, so he must be depressed.D.All of the above
Solution
D. All of the above
Explanation:
A. This argument uses the post hoc ergo propter hoc fallacy, which assumes that because two events occur together, one must have caused the other.
B. This argument uses the hasty generalization fallacy, which makes a broad conclusion based on a small or unrepresentative sample.
C. This argument uses the fallacy of false cause, assuming a cause and effect relationship where none exists. Just because Jerico's favorite color is black, it doesn't mean he is depressed.
So, all of the arguments use logical fallacies.
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