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Quasi-normality of Mrowka spaces
Journal article   Open access  Peer reviewed

Quasi-normality of Mrowka spaces

Ibtesam AlShammari and Lutfi Kalantan
European journal of pure and applied mathematics, Vol.13(3), pp.697-700
01/07/2020
DOI: https://doi.org/10.29020/nybg.ejpam.v13i3.3770

Abstract

Mathematics Physical Sciences Science & Technology
A topological space X is called quasi-normal if X is regular and any two disjoint pi-closed subsets A and B of X are separated. We give a Mrowka space which is not quasi-normal and use the continuum hypothesis (CH) and truly cardinality c to present Mrowka spaces which are quasi-normal.
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https://doi.org/10.29020/nybg.ejpam.v13i3.3770View
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