(VAR x y)
(RULES
  +(x,0)  -> x
  +(x,s(y))  -> s(+(x,y))
  *(x,0) -> 0
  *(x,s(y)) -> +(*(x,y),x)
  +(x,y) -> +(y,x)
)
(COMMENT
full experiments for [35]
submitted by: Takahito Aoto and Yoshihito Toyama
)