In this paper we examine IVF INK-ideal in INK-algebras by giving a couple of definitions and relative hypotheses. The image and preimage of IVF INK-ideal become i-v fuzzy INK-ideals in INK-algebras. © 2019, Springer Nature Switzerland AG.},
references={Biswas, R., Rosenfeld’s fuzz subgroups with interval valued membership function (1994) Fuzzy Sets and Systems, 63, pp. 87-90; Imai, Y., Iséki, K., (1996) On Axiom Systems of Propositional Calculi, , https://projecteuclid.org/euclid.pja/1195522169, X I V. proc. Japan Academy, Cited 12 Jan 1966; Iséki, K., Tanaka, T., An introduction to the theory of BCK-algebras (1978) Math. Japonica., 23, pp. 1-26; Mostafa, S.M., Fuzzy implicative ideal in BCK-algebras (1997) Fuzzy Sets and Systems, , https://doi.org/10.1016/S0165-0114(96)00017-6; Neggers, J., Ahn, S.S., Kim, H.S., On Q-algebras (2001) Int. J. Math. Math. Sci., 27, pp. 749-757; Xi, O.G., Fuzzy BCK-algebra (1991) Math. Japon., 36, pp. 935-942; Zadeh, L.A., (1965) Fuzzy Sets, Information and Control, 8. , https://doi.org/10.1016/S0019-9958(65)90241-X, Available via DIALOG, Cited 30 June 1965; Zadeh, L.A., The concept of a linguistic variable and its application to approximate reasoning-I (1975) Information Sciences