Spaces in which preopen subsets are semiopen (Q1277600)
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scientific article; zbMATH DE number 1257384
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Spaces in which preopen subsets are semiopen |
scientific article; zbMATH DE number 1257384 |
Statements
Spaces in which preopen subsets are semiopen (English)
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1 March 1999
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PS-space
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hereditarily irresolvable spaces
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semi-door
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