The Argument of the Beard

@article{Walton1996TheAO,
  title={The Argument of the Beard},
  author={Douglas Walton},
  journal={Informal Logic},
  year={1996},
  volume={18}
}
  • D. Walton
  • Published 1996
  • Philosophy
  • Informal Logic
The essence of the argument of the beard (so-called by some logic textbooks) is the tactic used by a respondent to reply to a proponent, "The criterion you used to define a key term in your argument is vague, therefore your use of this term in your argument is illegitimate, and your argument is refuted." This familiar kind of argument tactic is similar to the much more famous heap (sorites) argument of Eubulides, closely associated with the slippery slope argument. This article provides a… 

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