================================================================= Logtalk - Object oriented extension to Prolog Release 2.27.1 Copyright (c) 1998-2006 Paulo Moura. All Rights Reserved. ================================================================= % start by loading the necessary library and support example files (if not % already loaded): | ?- logtalk_load([library(events_loader), library(types_loader), library(hierarchies_loader)]). ... | ?- logtalk_load(roots(loader)). ... % now you are ready for loading the example: | ?- logtalk_load(relations(loader)). ... % the objects in this example are used by several of the other examples.