; @xtcfilename "./TRS_Standard/Zantema_15/ex04.xml"
(format TRS)
(fun a 1)
(fun L 1)
(fun R 1)
(rule (a (L x)) (L (a x)))
(rule (R (a x)) (a (R x)))
(rule (a (L (L x))) (a (L (R x))))
(rule (R (R (a x))) (L (a (R (a x)))))