:: deftheorem defines MULT312 GATE_5:def 7 :
for x0, x1, x2, y0, y1 being set holds MULT312 (x2,x1,y1,x0,y0) = ADD2 ((AND2 (x2,y0)),(AND2 (x1,y1)),(AND2 (x1,y0)),(AND2 (x0,y1)),{});