Definition of Preopen. Meaning of Preopen. Synonyms of Preopen

Here you will find one or more explanations in English for the word Preopen. Also in the bottom left of the page several parts of wikipedia pages related to the word Preopen and, of course, Preopen synonyms and on the right images related to the word Preopen.

Definition of Preopen

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Meaning of Preopen from wikipedia

- semi-open, semi-preopen, preopen, and b-open. Every b-open set is semi-preopen (i.e. β-open). Every preopen set is b-open and semi-preopen. Every semi-open...
- be generated by B {\displaystyle B} . Basis See Base. β-open See Semi-preopen. b-open, b-closed A subset A {\displaystyle A} of a topological space X...