================================================================= Logtalk - Object oriented extension to Prolog Release 2.18.0 Copyright (c) 1998-2004 Paulo Moura. All Rights Reserved. ================================================================= To load all entities in this example compile and load the loader file: | ?- logtalk_load(loader). You will need to also load the objects in the roots example. You will need to load the following files in the library directory: events_loader, types_loader, and hierarchies_loader. Alternatively, you may load the library all_loader file to load all library entities.