One might say that the seminal work was: https://www.amazon.ca/Policemans-Beard-Half-Constructed/dp/0446380512 https://www.amazon.ca/Policemans-Beard-Half-Cons

One might say that the seminal work was: https://www.amazon.ca/Policemans-Beard-Half-Constructed/dp/0446380512 https://www.amazon.ca/Policemans-Beard-Half-Constructed/dp/0... Generated by Ractor a not very sophisticated "chatterbot" in 1984. Interesting to see the progress in less than 40 years.