Chain
Материал из WEGA
Chain --- цепь, цепочка.
1. Given a poset [math]\displaystyle{ P = (X,\lt _{P}) }[/math], a chain of [math]\displaystyle{ P }[/math] is a subset of [math]\displaystyle{ X }[/math] consisted of pairwise comparable elements.
2. See Martynyuk schemata.
