1. The LeLisp Version 16 Object System. Also used in EuLisp. The object-orientedcore of EuLisp. Incorporates ideas from CLOS, ObjVLisp and OakLisp. Total merging of types with classes and messaGE-passing with normal function application. 2. A Pascal-based AI languaGE. ["Design Rationale for TELOS, a Pascal-based AI LanguaGE", Travis et al, SIGPLAN Notices 12(8) (Aug 1977)].