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Presumption

False Dilemma Fallacy

Also known as: False Dichotomy, Either/Or Fallacy, Black-and-White Thinking

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What is False Dilemma?

A false dilemma fallacy occurs when an argument presents only two options as if they are the only possibilities, when in reality there are additional alternatives. By artificially narrowing the choices to two extremes, the arguer forces a choice that may not reflect the actual range of options available. This is particularly effective when one option is clearly undesirable, making the other seem like the only rational choice.

Example

A debate about government surveillance and privacy rights.

You're either in favor of full government surveillance or you don't care about national security. Pick a side.

This presents only two extremes when many positions exist in between: targeted surveillance with judicial oversight, data minimization policies, encryption standards, or international cooperation. The issue is far more nuanced than a binary choice.

How to Spot It

  • Only two options are presented on a topic that clearly has more possibilities.
  • The two options are often polar opposites or extremes.
  • One option is made to sound clearly unreasonable to push you toward the other.
  • Phrases like 'either...or,' 'you must choose,' or 'there are only two options' are used.

How to Counter It

  • Identify and present additional alternatives that weren't mentioned.
  • Point out that most real-world issues exist on a spectrum, not as binary choices.
  • Ask: 'Are these really the only two options? What about...?'
  • Refuse the framing and redefine the range of possible positions.

Related Fallacies

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