International Journal of Mathematics and Mathematical Sciences
Volume 24 (2000), Issue 11, Pages 765-772

A unified theory for weak separation properties

Mahide Küçük1 and İdris Zorlutuna2

1Department of Mathematics, Faculty of Science, Anadolu University, Eskışehır 26470, Turkey
2Department of Mathematics, Faculty of Science, Cumhuriyet University, Sıvas 58140, Turkey

Received 7 June 1999; Revised 3 November 1999

Copyright © 2000 Mahide Küçük and İdris Zorlutuna. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We devise a framework which leads to the formulation of a unified theory of normality (regularity), semi-normality (semi-regularity), s-normality (s-regularity), feebly-normality (feebly-regularity), pre-normality (pre-regularity), and others. Certain aspects of theory are given by unified proof.