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That's what I wrote my paper about! I was interested in the evolution of the meanings of words, which Dennett doesn't really go into in his chapter on the evolution of meaning. I used "skyhook" as an example of a term that we kept coming back to in our discussions and that changed from Dennett's definition

This I didn't write about, but I think the confusion comes in when we split off into two groups and our terms begin to evolve separately (into two varieties or species?) and then we come back together. Students from the different groups have a different context for their ideas, and even a different set of meanings in mind for the same words.  I don't know what to do about it, except to try and give some context on Tuesday if you talk about ideas from the discussion the Thursday before.