================================================================= Logtalk - Object oriented extension to Prolog Release 2.14.7 Copyright (c) 1998-2003 Paulo Moura. All Rights Reserved. ================================================================= % plan a trip from london to the aiai conference in edinburgh: | ?- plan(london)::from(imperial, aiai, L). L = [[taxi(imperial,lhr)]-[fly(lhr,edin)]-[taxi(edin,aiai)]] ? yes