; @origtpdbfilename ./TRS/Endrullis/pair3hard.trs
; @xtcfilename "./TRS_Standard/Endrullis_06/pair3hard.xml"
(format TRS)
(fun p 2)
(fun a 1)
(rule (p (a x0) (p x1 (p x2 x3))) (p x1 (p x0 (p (a x3) x3))))