The partial order width is the size of a largest antichain in a partial order.
Partial Order Width
See also
Antichain, Daykin-Frankl Conjecture, Order-Convex Set, Partial Order, Partial Order LengthExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Partial Order Width." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/PartialOrderWidth.html