YES (VAR x y x1 x0) (RULES \(\(x,y),x) -> y \(x1,\(x0,x1)) -> x0 *(x1,x0) -> \(x0,x1) /(x1,x0) -> \(x1,x0) ) (COMMENT Termination is shown by LPO with precedence: / > * > \ )