International Journal of Neutrosophic Science IJNS 2690-6805 2692-6148 10.54216/IJNS https://www.americaspg.com/journals/show/512 2020 2020 Dept. of Math and Computer Sci., Faculty of Science, Port Said Univ., Egypt A. A. Salama Department of Mathematical Statistics, Faculty of Science, Albaath University, Homs, Syria Rafif Alhabib This paper aims to introduce and study some new neutrosophic fuzzy pairwise notions via neutrosophic fuzzy ideals. We, also generalize the notion of FPL-open sets. In addition to generalizing the concept of FPL-closed sets and NPL-open function, the relationship between the above new neutrosophic Fuzzy pairwise notions and there other relevant classes are investigated. In Geographical information systems (GIS) there is a need to statistically model spatial regions with indeterminate boundary and under indeterminacy. Possible applications to GIS rules are touched upon. 2020 2020 44 49 10.54216/IJNS.080104 https://www.americaspg.com/articleinfo/21/show/512