Full Idea
There are three main views regarding the ontology of mental phenomena: reductionism, dualism and eliminativism.
Clarification
Thoughts are explained as something else, or exist independently, or are non-existent
Gist of Idea
The three theories are reduction, dualism, eliminativism
Source
Georges Rey (Contemporary Philosophy of Mind [1997], 1.1)
Book Reference
Rey,Georges: 'Contemporary Philosophy of Mind' [Blackwell 1997], p.14
A Reaction
It is precisely this picture which is rejected by Davidson and co, who want something called 'property dualism', with a unique relationship which is labelled 'supervenient'. Unfortunately there is no analogy for it. Not even beauty and a statue.