Full Idea
The idea that there is one computational state that every being who believes that there are lots of cats in the neighbourhood is in must be false.
Gist of Idea
Is there just one computational state for each specific belief?
Source
Hilary Putnam (Representation and Reality [1988], §5 p.84)
Book Reference
Putnam,Hilary: 'Representation and Reality' [MIT 1992], p.84
A Reaction
It is tempting to say that the mental states of such people must have SOMETHING in common, until you realise that all you can specify is that all their states are about cats.