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Not to be confused with Paranormal phenomena outside the range of normal experience.
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- Normal space – a topological space in which every two disjoint closed sets have disjoint open neighborhoods
- Paracompact space – a topological space in which every open cover admits an open locally finite refinement
- Nyikos (1984), "Problem Section: Problem B. 25,", Top. Proc. 9
- Smith, Kerry D.; Szeptycki, Paul J. (2000), "Paranormal spaces under ◊*", Proceedings of the American Mathematical Society 128 (3): 903–908, doi:10.1090/S0002-9939-99-05032-7, ISSN 0002-9939, MR 1622981
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