Logic Lessons: Attack the Argument, Not the Person

The Captain America and superhero worldviews series will return next week. In the meantime, I hope you enjoy this post on lessons in logic.

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This article originally appeared in RTB’s publication Connections, 2003, vol. 5, no. 3 and 4.

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General George S. Patton’s standing order during the Second World War was to “attack, attack, and, if in doubt, attack again!” That approach certainly worked well for the U. S. Army in Europe during World War II. However, when it comes to logic (and peacetime), the attack needs to be focused on the argument, not on the person.

Informal fallacies—defects or errors in reasoning—cause arguments to break down. The ad hominem fallacy (argument against the person) occurs when one arguer presents his point and the second participant ignores the point, instead attacking the character of his opponent.

The ad hominem fallacy comes in three identifiable varieties:

  • abusive: directly denouncing character (old-fashioned name-calling)
  • circumstantial: raising special circumstances in an attempt to discredit a person’s motives (also known as “poisoning the well”)
  • tu quoque: accusing the other person of hypocrisy as an attempt to avoid personal criticism (tu quoque is Latin for “you too”)

This tactic is not only personally offensive but also logically unacceptable because it violates two core principles of reasoning. First, a person has an intellectual responsibility to respond to the content of an argument. Second, the character attack itself is irrelevant to the person’s argument (whether or not it is true). Even morally flawed people can present sound arguments.

On occasion, however, criticizing a person’s character may be appropriate—if the person’s character is the logical issue at hand. For example, jurors in a courtroom need to know if a witness has been found guilty of perjury in the past. Believability is closely connected to the issue of discerning truth.

For dealing with ad hominem attacks, I offer three recommendations:

  1. Don’t give in to the temptation to respond in the same abusive manner;
  2. Help your opponent (and others) understand that the attack is logically irrelevant; and
  3. Refocus attention on the argument at hand.

Once the focus is back on the argument and not the person, listeners (even opponents) are more likely to reconsider and be persuaded. The Christian’s goal is to present arguments shaped by sound logical and moral principles and to trust God to use them as He pleases.

For Further Study
Attacking Faulty Reasoning by T. Edward Damer
A Concise Introduction to Logic by Patrick J. Hurley
A World of Difference by Kenneth Richard Samples

  One thought on “Logic Lessons: Attack the Argument, Not the Person

  1. steve hays
    August 5, 2011 at 2:26 pm

    How is the tu quoque “logically unacceptable”? Isn’t the tu quoque just a type of argument from analogy? Surely arguments from analogy are not logically unacceptable, per se.

  2. February 18, 2012 at 12:41 pm

    Steve:

    Accusing another person of hypocrisy (even if true) does not excuse one’s own actions and assertions. It would be best to address the accusations made against one’s character regardless of the other person’s flaws.

    Best regards.

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