Full Idea
All psychological statements which are meaningful, that is to say, which are in principle verifiable, are translatable into propositions which do not involve psychological concepts, but only the concepts of physics.
Gist of Idea
All meaningful psychological statements can be translated into physics
Source
Robert Kirk (Mind and Body [2003], §3.8)
Book Reference
Kirk,Robert: 'Mind and Body' [Acumen 2003], p.60
A Reaction
This shows how eliminativist behaviourism arises out of logical positivism (by only allowing what is verifiable). The simplest objection: we can't verify the mental states of others, because they are private, but they are still the best explanation.