Affiliations: [a] Department of Mathematic, Faculty of Science, Zagaziq University, Cairo, Egypt | [b] Department of Mathematic, Faculty of Education, Ain Shams University, Cairo, Egypt | [c] Department of Mathematic, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt | [d] Department of Mathematic, College of Education Ibn-Al-Haitham, Baghdad University, Iraq
Correspondence:
[*]
Corresponding author. Rasha Naser Majeed, Department of Mathematic, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt. Tel.: +201111 30 6923; rashanm6@gmail.com
Abstract: In this note we show that some results introduced in [3] are incorrect. These results were first introduced in fuzzy topological spaces [1, 2], and very recently generalized into fuzzy bitopological spaces [3]. We give some counter examples to confirm our claim.
