; @origtpdbfilename ./TRS/AG01/#3.6b.trs
; @xtcfilename "./TRS_Standard/AG01/#3.6b.xml"
(format TRS)
(fun le 2)
(fun |0| 0)
(fun true 0)
(fun s 1)
(fun false 0)
(fun minus 2)
(fun if_minus 3)
(fun gcd 2)
(fun if_gcd 3)
(rule (le |0| y) true)
(rule (le (s x) |0|) false)
(rule (le (s x) (s y)) (le x y))
(rule (minus |0| y) |0|)
(rule (minus (s x) y) (if_minus (le (s x) y) (s x) y))
(rule (if_minus true (s x) y) |0|)
(rule (if_minus false (s x) y) (s (minus x y)))
(rule (gcd |0| y) y)
(rule (gcd (s x) |0|) (s x))
(rule (gcd (s x) (s y)) (if_gcd (le y x) (s x) (s y)))
(rule (if_gcd true (s x) (s y)) (gcd (minus x y) (s y)))
(rule (if_gcd false (s x) (s y)) (gcd (minus y x) (s x)))