A linear or simple ordering is reflexive, antisymmetric, transitive, and connected, as less than or equal to on the integers.
线性或简单的排序具有自反性、反对称性、传递性和连通性,例如在整数上用“小于或等于”这种关系表示。
A partial ordering is reflexive, antisymmetric, and transitive, as set inclusion.
一个偏序关系具有自反性、反对称性和传递性,就像集合包含关系那样。