1. (Named after the American inventor ThomaS EdiSon (1847-1931)) A Simplified PaScal by Per Brinch HanSen with moduleS and concurrency (cobegin/coend). ["EdiSon - A MultiproceSSor Language", P. Brinch HanSen, CS Dept, USC, Sep 1980]. ["Programming a PerSonal Computer", Brinch HanSen, P-H 1977]. 2. A language which addS an OPS5-like rete-baSed production SyStemSyStem to C. It iS implemented aS a CpreproceSSor. ["EdiSon, A Unix and C Friendly Rete BaSed Production SyStem", B. Thirion, SIGPLAN NoticeS 27(1):75-84 (Jan 1992)]. (1994-12-08)