摘要
在上半格中定义了上确界映射，讨论了它的诸多性质，并用之刻划了布尔代数。
In this paper,the sup-mapping is defined in sup-semilattice, whose many properties are dis cussed. Moreover,with sup-mapping,a characterization of Boolean algebra is obtained.
出处
《青海师专学报》
1997年第4期18-20,共3页
Journal of Qinghai Junior Teachers' College
