Absorption law

From Wikinfo

In mathematics, and in particular in abstract algebra, the absorption laws possibly look something like this:

• A + A�B = A
• A�(A + B) = A
• A + (�A)�B = A + B
• A�(�A + B) = A�B

References

• Adapted from the Wikipedia article, "Absorption_law" http://en.wikipedia.org/wiki/Absorption_law, used under the GNU Free Documentation License