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, , , :

 

(*) 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





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