A cardinal number κ is called a 0-Mahlo cardinaliff it is a strongly inaccessible cardinal. κ is called an n+1-Mahlo cardinal iff it is an n-Mahlo cardinal in which any closed unbounded subset contains an element that is n-Mahlo.
... the United States Census Bureau, the village has a total area of 1.1 km² (0.4 mi²). 1.1 km² (0.4 mi²) of it is land and none of the area is covered ...