Externalism, dedicto beliefs, proper names and reference determination
pp. 287-309
in: Denis Fisette (ed), Consciousness and intentionality, Berlin, Springer, 1999Abstract
It is possible for two speakers to be in exactly the same psychological state (in the narrow sense), even though the extension of the termA in the idiolect of the one is different from the extension of the termA in the idiolect of the other.