Constructive points of Powerlocales

@inproceedings{Vickers1995ConstructivePO,
  title={Constructive points of Powerlocales},
  author={Steven Vickers},
  year={1995}
}
Results of Bunge and Funk and of Johnstone, providing constructively sound descriptions of the global points of the lower and upper powerlocales, are extended here to describe the generalized points and proved in a way that displays in a symmetric fashion two complementary treatments of frames: as suplattices and as preframes. We then also describe the points of the Vietoris powerlocale. In each of two special cases, an exponential $ D ($ being the Sierpinsky locale) is shown to be homeomorphic… CONTINUE READING

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