... Boole.Ví d 2. 12 Ti thiu hoá hàm f(x1,x 2 ) = x1x 2 + x1x 2 + x1x 2 f(x1,x 2 ) =x1x 2 + x1x 2 + x1x 2 = (x1 + x1).x 2 + x1x 2 = x 2 + x1x 2 = x 2 + x1Ví d 2. 13 ... sauf(x1,x 2 ,x3) =x1x 2 x3 + x1x 2 x3+ x1x 2 x3+ x1x 2 x3 + x1x 2 x3 Bài ging N T S 1 Trang 22 =x1x 2 x3 + x1x 2 x3 + x1x 2 x3 + x1x 2 (x3 + x3) ... có:f(x1,x 2 ) = f(0,0).x1x 2 + f(0,1).x1.x 2 + f(1,0).x1.x 2 + f(1,1).x1.x 2 = 0.x1x 2 + 1.x1.x 2 + 1.x1.x 2 + 1.x1.x 2 =x1.x 2 + x1.x 2 + x1.x 2 Nhn xét:•...