De Morgan’s Theorem gives the following equations on set operations.

(A ∪ B)’ = A’ ∩ B’

(A ∩ B)’ = A’ ∪ B’

De Morgans Theorem can be used to simplify expressions involving set operations. It is also used in Physics for the simplification of Boolean expressions and digital circuits.

The following video will illustrate De Morgans Theorem using sets and set operations.

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