Six Sigma and Beyond: Statistics and Probability, Volume III

DE MORGAN'S LAWS OF COMPLEMENTS

(A ‹‚ B)* = A* ‹ƒ B*

(A ‹ƒ B)* = A* ‹‚ B*

Then:

1. A = (A ‹‚ B) ‹ƒ (A ‹‚ B*)

2. A ‹‚ (B ‹ƒ C) = (A ‹‚ B) ‹ƒ (A ‹‚ C)