; @origtpdbfilename TRS//AProVE_10/double.trs
; @xtcfilename "./TRS_Standard/AProVE_10/double.xml"
(format TRS)
(fun f 2)
(fun tt 0)
(fun isDouble 1)
(fun s 1)
(fun |0| 0)
(rule (f tt x) (f (isDouble x) (s (s x))))
(rule (isDouble (s (s x))) (isDouble x))
(rule (isDouble |0|) tt)