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Logical Fallacies

Ambiguity

Exploiting linguistic ambiguity to mislead or misrepresent, often by shifting between different meanings of a word or phrase.

THE IDEA

AMBIGUITY

Using double meanings or ambiguities of language to mislead or misrepresent the truth.

When the judge asked the defendant why he hadn’t paid his parking fines, he said that he shouldn’t have to pay them because the sign said ‘Fine for parking here’ and so he naturally presumed that it would be fine to park there.

When to use it

  • Legal disputes over contract language where a term has multiple interpretations.

  • Political speeches that use equivocation to appeal to different audiences.

  • Advertisements that play on double meanings to create misleading impressions.

  • Everyday misunderstandings caused by words with multiple meanings.

FROM THEORY TO EVERYDAY LIFE

In practice

01

Parking Fine

A defendant argues that a sign saying 'Fine for parking here' means it's acceptable to park, exploiting the double meaning of 'fine' (penalty vs. okay).

✳

A MOMENT TO REFLECT

Put it to work.

  1. Can you recall a situation where someone used ambiguous wording to win an argument or evade responsibility?

  2. How could you clarify terms to prevent ambiguity in important conversations?

  3. Why might ambiguity be a useful rhetorical tool, and when does it become a fallacy?

CONTINUE THE CONVERSATION

Source texts

  • Wisdom Theory 100 Mental Models (2020) (Wisdom Theory)
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