On a Characterisation of the System of a
β
Milan Sekanina
π
Article
π
1968
π
John Wiley and Sons
π
English
β 288 KB
π 1 views
I n several questions concerning connections between general topologies and BOOLEAN algebras systems regularly open or closed sets play an important role. The lattice-theoretical characterisations of these systems are known for general topological spaces. Problem 81 in [I] and the paper [ 2 ] deal w