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-- Further reading ---------------------------------------------------- TEACH READLINE gives more practice in using readline, and shows how to build a toy interactive teaching program for arithmetic. TEACH DEFINE gives more information about defining procedures. TEACH MATCHES explains the use of the matcher in more detail TEACH MATCHES2 gives more information about the matcher. HELP MATCHES gives a summary overview TEACH LISTS and TEACH ARROW give exercises in list processing. TEACH WHYSYNTAX explains why a grasp of syntax is required for understanding natural language. TEACH GRAMMAR Gives an introduction to formal grammars and programs that analyse the structure of a sentence. This helps to explain why the pattern matching approach used by Eliza is not adequate in general. The Pop-11 primer gives a lot more information on lists and the matcher. You can browse it online with the command: TEACH PRIMER Finding things in it requires you to use the editor search mechanism. In particular, Chapter 6 gives a lot of information about lists, and Chapter 7 about the Pop-11 pattern matcher and database. Depending on your installation, there may be a file called TEACH LOCALINDEX giving a list of locally produced teach files TEACH INDEX summarises available teach files supplied with Poplog. TEACH TEACHFILES gives an annotated list of available teach files supplied with Poplog See also the Computers and Thought book by Sharples et al. (MIT Press) You can learn from it how to go beyond Eliza to programs that use a grammar and have a deeper understanding.