() . , , , .
, f (1,3,5,6,7) = 1 x1 x2 x 3, x1 x2 x3. x1 x2 x 3 v x1 x2 x3 = x1 x2 (x3 v x3) = x1x2.
, , , , .
: 1 1 0 1 1 1 = 1 1 X, x1x2.
, . () .
, ( ) ( ) .
.
( ) ( ) , .
: x v A = A ; x v A = A v x v A .
: ( v x)(A v ) = A ; ( v x)(A v ) = A ( v x) (A v ) .
: (x1 v x2 v x3) (x1 v x2 v 3) = x1 v x2.
: x1x2x3 v x1x23 = x1x2 v x1x2x3 v x1x23.
, , 1, , 0. . , - .
, ( , , ).
- .
- , - , , , - . .
- , .
( ) - ( ) .
, 0 , 0, 1 , 1. . , - .
, (, ).
- .
- , - , , , - . .
- , .
( ) - ( ) .