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Published online by Cambridge University Press: 29 March 2011
The biological function of human reasoning abilities cannot be to improve shared knowledge. This is at best a side effect. A more plausible function of argumentation, and thus of reasoning, is to advertise one's ability to detect lies and errors. Such selfish behavior is closer to what we should expect from a naturally selected competence.
Target article
Reasoning as a lie detection device
Related commentaries (1)
Why do humans reason? Arguments for an argumentative theory