YES TRS: not(and(x,y)) -> or(not(x),not(y)) not(or(x,y)) -> and(not(x),not(y)) and(x,or(y,z)) -> or(and(x,y),and(x,z)) max/plus interpretations on N: not_A(x1) = max{12, -2 + x1} not#_A(x1) = max{4, -2} and_A(x1,x2) = max{7, 11, 12} and#_A(x1,x2) = max{0, 1, 3} or_A(x1,x2) = max{10, 9, 11} or#_A(x1,x2) = max{2, -1, 3} precedence: not > and > or