; @origtpdbfilename ./TRS/SK90/4.40.trs
; @xtcfilename "./TRS_Standard/SK90/4.40.xml"
(format TRS)
(fun f 2)
(fun a 0)
(fun b 0)
(fun c 0)
(rule (f (f (f a x) y) z) (f (f x z) (f y z)))
(rule (f (f b x) y) x)
(rule (f c y) y)