Teka, Haftu2018-07-162023-11-042018-07-162023-11-042011-06http://etd.aau.edu.et/handle/123456789/8699We construct a quotient group by fuzzy normal subgroup and we prove the corresponding Isomorphism Theorems. Obtained results are used to the characterization of selected classes of quotient groupsenQuotient Groups Induced by Fuzzy SubgroupsThesis