YES
Time: 0.000640
TRS:
 {f(x, a()) -> x,
  f(x, g y) -> f(g x, y)}
 DP:
  DP:
   {f#(x, g y) -> f#(g x, y)}
  TRS:
  {f(x, a()) -> x,
   f(x, g y) -> f(g x, y)}
  EDG:
   {}
   STATUS:
    arrows: 1.000000
    SCCS (0):