OBJ2 plus object-orientation. "Extensions and Foundations for Object-Oriented Programming", J. Goguen et al, in Research Directions in Object-Oriented Programming, B. Shriver et al eds, MIT Press 1987.
Try this search on Wikipedia, OneLook, Google
Nearby terms: fool file « Fools' Lisp « Foonly « FOOP » foot-net » footprint » for
