pred: P(2),Q(1) const: a func: f(1) - Ax(Qx>Pxa) Qfa :Pfaa pred: P(1),Q(1) const: a - Ax(Pa>Qx) Pa :AxQx pred: P(1) const: a - Pa :-Ax-Px pred: P(1) - AxPx :AyPy pred: P(2) - AxAyPxy :AyPyy pred: R(2) const: a,b - AxAyAz(Rxy>(Ryz>Rxz) Ax(-Rxx) :(Rab>-Rba) pred: P(1),Q(1) - Ax(Px>Qx) -Ax-Px :-Ax-Qx