Full Idea
There can seem to be no escape from the "intentional circle" - the use of one intentional idiom always seems to presuppose the use of another.
Gist of Idea
Intentional explanations are always circular
Source
Georges Rey (Contemporary Philosophy of Mind [1997], 3.3)
Book Reference
Rey,Georges: 'Contemporary Philosophy of Mind' [Blackwell 1997], p.89
A Reaction
The best explanation of this is Conceptual Dualism (Papineau: Thinking about Consciousness). We are locked into dualist concepts because of our long-term ignorance about the brain.