 −  -Open (Closed) Fuzzy Sets and Related Fuzzy Function and Continuity Pankaj Chettri, Gaurav Thapa and Anamika Chettri Sahand Communications in Mathematical Analysis Print ISSN: 2322-5807 Online ISSN: 2423-3900 Volume: 19 Number: 3 Pages: 77-92 Sahand Commun. Math. Anal. DOI: 10.22130/scma.2022.527982.928 -