... that John and his counterpart are exactly similar notonly in appearance and character, but right down to the levelof neurological organisation and activity. According to externalism, we cannot ... Elm and the Expert: Mentaleseand its Semantics (Cambridge, MA: MIT Press, 1994). An introduction to the philosophy of mind86seems, does not permit us to do this. (Of course, we do some-times ... rather, repres-ent how their subject would like the world to be. This differ- An introduction to the philosophy of mind90ence between beliefs and desires is often described as a dif-ference in...