YES TRS: +(x,0()) -> x +(x,i(x)) -> 0() +(+(x,y),z) -> +(x,+(y,z)) *(x,+(y,z)) -> +(*(x,y),*(x,z)) *(+(x,y),z) -> +(*(x,z),*(y,z)) max/plus interpretations on N: +_A(x1,x2) = max{0, x1, x2} +#_A(x1,x2) = max{0, x1, x2} 0_A = 0 0#_A = 0 i_A(x1) = max{0, x1} i#_A(x1) = max{0, x1} *_A(x1,x2) = max{0, x1, x2} *#_A(x1,x2) = max{0, x1, x2} precedence: * > + > 0 > i