poset height and width

Let $P$ be a poset. Then the width of $P$ is the cardinality of a largest (maximum cardinality) antichain in $P$ and the height of $P$ is the cardinality of a longest (maximum cardinality) chain in $P$.

Title	poset height and width
Canonical name	PosetHeightAndWidth
Date of creation	2013-03-22 15:01:46
Last modified on	2013-03-22 15:01:46
Owner	justice (4961)
Last modified by	justice (4961)
Numerical id	7
Author	justice (4961)
Entry type	Definition
Classification	msc 06A06
Defines	height
Defines	width