1
Q
identity law:
A + 0 =
A . 1 =
A
A
A
2
Q
Null laws:
A + 1 =
A . 0 =
A
1
0
3
Q
idempotent laws:
A + A =
A . A =
A
A
A
4
Q
Absorption laws:
A + (A . B) =
A . (A + B) =
A
A
A
5
Q
Commutative laws:
A + B =
A . B =
A
B + A
B . A
6
Q
complent laws:
A + ¬A =
A . ¬A =
A
1
0
7
Q
associative laws:
(A + B) + C =
(A . B) . C =
A
A + (B + C)
A . (B . C)
8
Q
distributive laws:
A . (B + C) =
A + (B . C) =
A
(A . B) + (A . C)
(A + B) . (A + C)
9
Q
De Morgan’s Laws:
¬(A . B) =
¬(A + B) =
A
¬A + ¬B
¬A . ¬B
