Important Law of Boolean algebra with Best concepts

In this topic we shall learn about Important Law of Boolean Algebra with Best concepts. It is very important to solve any question of Boolean Algebra.

Identity Law

1. 0+A=A
2. 1+A=1
3. 0.A=0
4. 1.A=A

1	A	1.A
1	0	0
1	1	1

Inverse(Complementary) Law

1. A+A’=1
2. A.A’=0

A	A’	A+A’
0	1	1
1	0	1

Idempotent Law

1. A+A=A
2. A.A=A

Commutative Law

1. A+B=B+A
2. A.B=B.A

Associative Law

1. A + (B+C)=(A+B)+C
2. A . (B.C)= (A.B).C

Distributive Law

1. A.(B+C)=AB+AC
2. A+(B.C)=(A+B).(A+C)

Absorption Law

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

Involution (Double Inversion) Law

A’ ‘ =A

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