The complement of a sum composed of the element “a” and “b” is equivalent to the complement of the element “b”. The complement of a product composed of the elements “a” and “b” is equivalent to the disjunction of the complement of element “a” and the complement of element “a”. Figure 1 shows the equivalent circuit.
Figure 1
Law of Duality:
Mathematic Notation:
Logic Notation:
