cond true x y z cond and gr x z gr y z p x p y z and true true true and x false false and false x false gr 0 0 false gr 0 x false gr s x 0 true gr s x s y gr x y p 0 0 p s x x cond 4 true 0 and 2 gr 2 p 1 false 0 0 0 s 1 FULL ./TRS/Beerendonk/9.trs