The law appearing in the definition of Boolean algebras
and lattice which states that
for binary operators OR and logical AND ).
The two parts of the absorption law are sometimes called the "absorption identities"
(Grätzer 1971, p. 5).
See also Boolean Algebra ,
Lattice
Explore with Wolfram|Alpha
References Birkhoff, G. and Mac Lane, S. A Survey of Modern Algebra, 5th ed. Grätzer,
G. Lattice
Theory: First Concepts and Distributive Lattices. Referenced on Wolfram|Alpha Absorption Law
Cite this as:
Weisstein, Eric W. "Absorption Law." From
MathWorld https://mathworld.wolfram.com/AbsorptionLaw.html
Subject classifications
and 
(which most commonly are logical OR and logical AND).
The two parts of the absorption law are sometimes called the "absorption identities"
(Grätzer 1971, p. 5).
