Form equivalence class Howard-Rubin Number: 67
Statement: For every \(T_1\) topological space \((X,T)\) and everycellular family \(\cal O=\{O_i: i\in k\}\subseteq T - \{\emptyset\}\),there is a closed discrete set \(\cal I\) such that for every \(i\in k\),\(\cal I\cap O_i\ne\emptyset\). Keremedis [1998a] and Note 77.
Howard-Rubin number: 67 G
Citations (articles):
Connections (notes):
References (books):
Back