YES TRS: i(0()) -> 0() +(0(),y) -> y +(x,0()) -> x i(i(x)) -> x +(i(x),x) -> 0() +(x,i(x)) -> 0() i(+(x,y)) -> +(i(x),i(y)) +(x,+(y,z)) -> +(+(x,y),z) +(+(x,i(y)),y) -> x +(+(x,y),i(y)) -> x linear polynomial interpretations on N: i_A(x1) = x1 i#_A(x1) = x1 + 2 0_A = 1 0#_A = 0 +_A(x1,x2) = x1 + x2 + 1 +#_A(x1,x2) = x2 + 1 precedence: 0 > i > +