An argument that accounts for a phenomenon in terms of the very phenomenon that it is supposed to explain, which results in an infinite regress.
Examples:
- _Bert: How do eyes project an image to your brain?
Ernie: Think of it as a little guy in your brain watching the movie projected by your eyes.
Bert: Ok, but what is happening in the little guy in your head’s brain?
Ernie: Well, think of it as a..._
Synonyms: homunculus argument, infinite regress