In this short note it is shown that there exists a regular and T_1 space with a σ-linearly hereditarily closure-preserving base which is not a metrizable space.
基金Research partly supported by the National Natural Science Foundation of China
文摘In this short note it is shown that there exists a regular and T_1 space with a σ-linearly hereditarily closure-preserving base which is not a metrizable space.
