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{3, x1, 4} +#_A(x1,x2) = max{0, 3, 2} 0_A = 4 0#_A = 1 i_A(x1) = max{1, 1} i#_A(x1) = max{2, 0} *_A(x1,x2) = max{1, 4, 2} *#_A(x1,x2) = max{3, 3, 3} precedence: * > + = i > 0