; @origtpdbfilename ./TRS/SK90/2.04.trs
; @xtcfilename "./TRS_Standard/SK90/2.04.xml"
(format TRS)
(fun f 1)
(fun + 2)
(fun |0| 0)
(rule (f (+ x |0|)) (f x))
(rule (+ x (+ y z)) (+ (+ x y) z))