YES TRS: implies(not(x),y) -> or(x,y) implies(not(x),or(y,z)) -> implies(y,or(x,z)) implies(x,or(y,z)) -> or(y,implies(x,z)) linear polynomial interpretations on N: implies_A(x1,x2) = x1 + x2 + 1 implies#_A(x1,x2) = x1 + x2 not_A(x1) = x1 + 1 not#_A(x1) = 0 or_A(x1,x2) = x1 + x2 + 1 or#_A(x1,x2) = 0 precedence: implies = not > or