================================================================= Logtalk - Object oriented extension to Prolog Release 2.21.6 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 also need to load the library types_loader file. Alternatively, you may load the library all_loader file to load all library entities. hanoi.lgt Towers of Hanoi example queens.lgt N-Queens example