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Flawed arguments

False dilemma

Pretending there are only two options when there are more.

The world is narrowed down to “either – or”, even though there are more options – a compromise, a delay, a third way. Anyone who won't pick one of the two on offer then looks indecisive or hostile.

Example · made up for illustration
“Either you support the new multi-storey car park, or you don't care that people have nowhere to park.”

How to spot it

  • “Either… or…”, “if you're not with us, you're against us”.
  • No middle option, and no option to wait and find out more.
  • One of the options is painted as a disaster.

How to check and what to do

  • Ask: “What other options are there?” and try to find at least three.
  • Find out whether the two options could be combined, spread over time or postponed.
  • With offers and contracts, check what they actually say – there is often more room than claimed.

The card fits on one A4 page – for the classroom, a noticeboard, or parents and grandparents.

Practise it

Lessons and articles where you hunt for this trick with the red pencil.

More tricks from the chapter Flawed arguments.

All tricks in the atlas →

False dilemma: how to spot and check it | ThinkCritical.eu