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 system system to C. It is implemented as a C preprocessor.

["Edison, A Unix and C Friendly Rete Based Production System", B. Thirion, SIGPLAN Notices 27(1):75-84 (Jan 1992)].