Vol. 50 No. 3 (2021)

					View Vol. 50 No. 3 (2021)
Published: 2021-09-30

Full Issue

  • Omitting Types in Fragments and Extensions of First Order Logic

    Tarek Sayed Ahmed (Author)
    249-287
    DOI: https://doi.org/10.18778/0138-0680.2021.13
  • A Note on 3×3-valued Łukasiewicz Algebras with Negation

    Carlos Gallardo, Alicia Ziliani (Author)
    289-298
    DOI: https://doi.org/10.18778/0138-0680.2021.10
  • Tense Operators on BL-algebras and Their Applications

    Akbar Paad (Author)
    299-324
    DOI: https://doi.org/10.18778/0138-0680.2021.11
  • A Note on Gödel-Dummet Logic LC

    Gemma Robles, José M. Méndez (Author)
    325-335
    DOI: https://doi.org/10.18778/0138-0680.2021.15
  • Falling Shadow Theory with Applications in Hoops

    Rajab Ali Borzooei, Gholam Reza Rezaei, Mona Aaly Kologhani, Young Bae Jun (Author)
    337-353
    DOI: https://doi.org/10.18778/0138-0680.2021.03
  • A General Model of Neutrosophic Ideals in BCK/BCI-algebras Based on Neutrosophic Points

    Hashem Bordbar, Rajab Ali Borzooei, Florentin Smarandache, Young Bae Jun (Author)
    355-371
    DOI: https://doi.org/10.18778/0138-0680.2020.18
  • Neighbourhood Semantics for Graded Modal Logic

    Jinsheng Chen, Hans van Ditmarsch, Giuseppe Greco, Apostolos Tzimoulis (Author)
    373-395
    DOI: https://doi.org/10.18778/0138-0680.2021.12