Interesting. Is it fundamentally different, though, from the jpeg "language" that is "spoken" by the average digital camera? You're right to emphasize the plurality of linguistic possibilities. But I have to wonder whether "the world" is really a candidate for an isomorphic relationship with language. > In effect, NASA does use something like a picture-theory language for > sending back reports from unmanned space missions. And they do seem to > solve something. > > Let me expand a bit on my earlier comments. As you said, a picture > theory seems to imply that there is an isomorphism between linguistic > expression and the world. And this would seem to imply a fixed > isomorphism. It seems to me that the mind engages in inventing new > isomorphisms. There is perhaps some sense in the idea that language is > a composite of many parts, with different isomorphisms for each part, > and that we make up suitable isomorphisms as we go along. > > Regards, > Neil