; @origtpdbfilename ./TRS/Zantema/z07.trs
; @xtcfilename "./TRS_Standard/Zantema_05/z07.xml"
(format TRS)
(fun f 2)
(fun a 0)
(fun b 0)
(fun c 0)
(fun d 0)
(rule (f a x) (f b (f c x)))
(rule (f a (f b x)) (f b (f a x)))
(rule (f d (f c x)) (f d (f a x)))
(rule (f a (f c x)) (f c (f a x)))