, , , :
(*) v (A*C) = A*(B v C) | (A v B)*(A v C) = A v (B*C) |
:
1. (*) v (* )
,
(*) v (* ) = * ( v B)
v = 1,
* ( v B) = *1 =
2.
( v ) * = 1 * =
3.
* ( v B) * (B v B)
* ( v B) * (B v B) = A *(A v B) * 1= A (A v B) = 1 v A*B
4.
(( v B) * A) v ((A v B) * A)
. :
( v B) * A) = * v B * A
* v B * A = 0 v B * A
.
:
(A v B) * A = * * = * *
* * = 0 * = 0
: 0 v B * A v 0 = B * A
5. X1 * X2 v X3 * X4
1= 0, 2 = 1, 3 = 0, 4 = 1
6. v *Y * Z
7. (* Y v Z) * Y v Z