fallacy.wiki

A field guide to the ways reasoning breaks

Emotional pressure

Appeal to consequences

Also called Argumentum ad consequentiam

What it is

Judging a claim true or false by whether its implications are pleasant.

In the wild

If that theory were true it would be terrible, so it is false.

How to answer it

Distinguish what is true from what would be convenient. Reality does not consult us.

In depth

Origin and naming

From the Latin 'argumentum ad consequentiam', 'argument to the consequence'. Logicians flagged the move of judging a claim's truth by the pleasantness of its implications, since reality is under no obligation to flatter our preferences.

More places it shows up

  1. If burnout is really caused by workload, we'd have to redesign the whole team structure — so it must be a resilience problem.

  2. The diagnosis can't be hereditary; that would mean my kids are at risk, and I refuse to believe that.

  3. If rental prices track supply and demand, our favorite housing policy is useless, so the economics must be wrong.

  4. Admitting the campaign failed means the minister resigns tomorrow, therefore the campaign succeeded.

How to spot it

  • Notice when the argument answers 'do I want this to be true?' instead of 'is it true?'
  • Notice when the price of a belief being true is treated as evidence against the belief.
  • Notice when 'that can't be right' really means 'that would be inconvenient.'

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