For all sets A and B,
These are the absorption laws.
The two self-dual laws
(see duality) that are satisfied by all elements x,y in a Boolean algebra possessing the two operations ∨ and ∧.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。