Redundance Law
 

A + A.B = A


































A B A.B A+A.B
0 0 0 0
0 1 0 0
1 0 0 1
1 1 1 1
=











A
0
0
1
1


 

A.(A + B) = A

 
































A B A+B A.(A+B)
0 0 0 0
0 1 1 0
1 0 1 1
1 1 1 1
=











A
0
0
1
1

1+A = 1






















1 A 1+A
1 0 1
1 1 1
=







1
1
1

 

1.A = A




















1 A 1.A
1 0 0
1 1 1
=







A
0
1

 


A+A = 1






















A A A+A
1 0 1
0 1 1
=







1
1
1




 

A.A = 0





















A A A.A
1 0 0
0 1 0
=







0
0
0

 

A+AB = A+B







































A B A A.B A+A.B
0 0 1 0 0
0 1 1 1 1
1 0 0 0 1
1 1 0 0 1
=





















A B A+B
0 0 0
0 1 1
1 0 1
1 1 1

 


A.(A+B) = A.B







































A B A A+B A(A+B)
0 0 1 1 0
0 1 1 1 0
1 0 0 0 0
1 1 0 1 1
=





















A B A.B
0 0 0
0 1 0
1 0 0
1 1 1

(c) Shilpa Sayura Foundation 2006-2017