1st Jan 1974

179. Three types of information stored input, recalled, output.

3rd Jan 1974

I received this reply from Allen Newell at Carnegie-Mellon University. The letter is dated January 3, 1973 which I believe is a mistake of the typist. This is an easy mistake to make at the start of a new year.

14th Jan 1974

180. Recalled pleasure is that which is used in the process of learning to think, in the direction of the thinking process.

3rd March 1974

181. New emotions of pleasure or punishment are only recorded when there is a change in the level of emotion.