(VAR y z x) (RULES app(app(app(quot, 0), app(s, y)), app(s, z)) -> 0 app(app(app(quot, app(s, x)), app(s, y)), z) -> app(app(app(quot, x), y), z) app(app(app(quot, x), 0), app(s, z)) -> app(s, app(app(app(quot, x), app(s, z)), app(s, z))) ) (STRATEGY INNERMOST)