Bipolar fuzzy subalgebras and bipolar fuzzy ideals of BCK / BCI-algebras

@inproceedings{Lee2008BipolarFS,
  title={Bipolar fuzzy subalgebras and bipolar fuzzy ideals of BCK / BCI-algebras},
  author={Kyoung Ja Lee},
  year={2008}
}
The notion of bipolar fuzzy subalgebras and bipolar fuzzy ideals of a BCK/BCI-algebra is introduced, and several properties are investigated. Relations between a bipolar fuzzy subalgebra and a bipolar fuzzy ideal are given. A condition for bipolar fuzzy subalgebra to be a bipolar fuzzy ideal is provided, and the characterizations of a bipolar fuzzy ideal are stated. The concept of equivalence relations on the family of all bipolar fuzzy ideals of a BCK/BCI-algebra is considered, and some… CONTINUE READING

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