I have been wondering for a while: what's the source for the A Human's Guide to Words sequence? I mean EY had to come up with that somehow and unlike with the probability and cognitive science stuff, I have no idea what kind of books inspired A Human's Guide to Words. What are the keywords here?
Eliezer had read Language in Thought and Action prior to writing this sequence, and he might have gotten some of it from Steven Pinker or the MIT Encyclopedia of the Cognitive Sciences as well.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.