## Separation axioms for generalized topologies.(English)Zbl 1059.54003

Summary: The fundamental concepts in topological spaces, in particular separation axioms, are presented in a manner that open sets are replaced by more general ones.

### MSC:

 54A05 Topological spaces and generalizations (closure spaces, etc.) 54D10 Lower separation axioms ($$T_0$$–$$T_3$$, etc.)
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