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Until this thread I had no notion that Chomsky had ever said a word on the topic of the 'evolution' or 'origin' of language anymore than he had written on the mating habits of unicorns, so my views owe nothing to his authority. I shall read with interest anything further you have to say on the topic, now or next winter, but until then I see no reason not to assume that the origin of language is a topic for chat, not a serious question.
Carrol