Input TRS: 1: or(x,x) -> x 2: and(x,x) -> x 3: not(not(x)) -> x 4: not(and(x,y)) -> or(not(x),not(y)) 5: not(or(x,y)) -> and(not(x),not(y)) Number of Rules: 5 Direct POLO(Sum) ... removes: 2 1 I(and) = x1 + x2 + 1 I(or) = x1 + x2 + 1 I(not) = x1 Number of Rules: 3 Direct POLO(Sum) ...Direct QLPOS ... removes: 5 4 3 sigma(and) = [1,2] sigma(or) = [1,2] sigma(not) = [1] PREC: and = or = not Number of Rules: 0