; @xtcfilename "./TRS_Standard/Zantema_15/ex03.xml" (format TRS) (fun a 1) (fun L 1) (fun R 1) (fun b 1) (rule (a (a (L x))) (L (a (a x)))) (rule (R (a x)) (a (R x))) (rule (b (L x)) (b (R x))) (rule (R (b x)) (L (a (b x)))) (rule (R (b x)) (a (L (b x))))