Stanford Hew istic Programming Project First Version October 1982 Memo HPP-82-27

MRS is a knowledge representation systmt intended for use by Al researchers in building expert systems. It offers a diverse repertory of commands for asserting and retrieving information, with various representatiuns (e.g. The initial system includes a vocabulary of concepts and facts about logic, sets, mappings, arithmetic, and procedures. What differentiates MRS from many other knowledge representation systems is its ability to observe, reason about, and control its own activity. In MRS the system is treated as a domain in its own right.