YES 1 decompositions #1 ----------- 1: -(0(),0()) -> 0() 2: -(s(x1),0()) -> s(x1) 3: -(x2,s(x3)) -> -(d(x2),x3) 4: d(s(x4)) -> x4 6: -(d(x7),x8) -> -(x7,s(x8)) @Rule Labeling --- R 1: -(0(),0()) -> 0() 2: -(s(x1),0()) -> s(x1) 3: -(x2,s(x3)) -> -(d(x2),x3) 4: d(s(x4)) -> x4 6: -(d(x7),x8) -> -(x7,s(x8)) --- S 1: -(0(),0()) -> 0() 2: -(s(x1),0()) -> s(x1) 3: -(x2,s(x3)) -> -(d(x2),x3) 4: d(s(x4)) -> x4 6: -(d(x7),x8) -> -(x7,s(x8)) NOTE: input TRS is reduced original is 1: -(0(),0()) -> 0() 2: -(s(x1),0()) -> s(x1) 3: -(x2,s(x3)) -> -(d(x2),x3) 4: d(s(x4)) -> x4 5: -(s(x5),s(x6)) -> -(x5,x6) 6: -(d(x7),x8) -> -(x7,s(x8)) reduced to 1: -(0(),0()) -> 0() 2: -(s(x1),0()) -> s(x1) 3: -(x2,s(x3)) -> -(d(x2),x3) 4: d(s(x4)) -> x4 6: -(d(x7),x8) -> -(x7,s(x8))