antichain

<mathematics> A subset S of a partially ordered set P is an antichain if,

 for all x, y in S,  x <= y  =>  x = y

I.e. no two different elements are related.

("<=" is written in LaTeX as \subseteq).

Nearby terms:
antenna gain « Anthony Hoare « anti-aliasing « antichain » antisymmetric » antivirus » antivirus program