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Homunculus Fallacy

Homunculus Argument · Infinite Regress

An argument that accounts for a phenomenon in terms of the very phenomenon that it is supposed to explain, which results in an infinite recursion.

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Origin

British philosopher Gilbert Ryle developed the conceptual critique in his 1949 work The Concept of Mind, where he dismantled Cartesian dualism by exposing its reliance on a homunculus-like inner entity governing behavior. Ryle argued that explaining intelligent acts through an inner mind applying mental rules creates an infinite regress—the homunculus would itself require another homunculus to explain its actions, and so forth.

Updated February 22, 2026