Terms of use

Last updated: April 2026

fallacy.is is provided as a reference. Content is for general information and education. It is not legal, professional, or argumentative advice.

Accuracy

The site aims to describe fallacies and biases accurately, but it is not a peer-reviewed publication. Entries may be wrong, incomplete, or oversimplified. Corrections are welcome.

Fair use

Links to fallacy.is entries are welcome and encouraged. Copying entire pages wholesale is not.

No warranty

The site is provided "as is." The authors aren't liable for how it's used in an argument, whether the argument was worth having, or whether you won.