The purpose of this paper was to introduce the concept of "OBCI-algebras" as a partially ordered generalization of BCI-algebras. The notion of OBCI-algebras was introduced, and related properties were investigated. The notions of OBCI-subalgebras and (closed) OBCI-filters of OBCI-algebras were defined and the relationship between the OBCI-subalgebras and OBCI-filters was discussed. In addition, the direct product OBCI-algebra was discussed, and the OBCI-filter related to it was also addressed.
Citation: Eunsuk Yang, Eun Hwan Roh, Young Bae Jun. An introduction to the theory of OBCI-algebras[J]. AIMS Mathematics, 2024, 9(12): 36336-36350. doi: 10.3934/math.20241723
The purpose of this paper was to introduce the concept of "OBCI-algebras" as a partially ordered generalization of BCI-algebras. The notion of OBCI-algebras was introduced, and related properties were investigated. The notions of OBCI-subalgebras and (closed) OBCI-filters of OBCI-algebras were defined and the relationship between the OBCI-subalgebras and OBCI-filters was discussed. In addition, the direct product OBCI-algebra was discussed, and the OBCI-filter related to it was also addressed.
[1] | P. Cintula, Weakly Implicative (Fuzzy) Logics Ⅰ: Basic properties, Arch. Math. Logic, 45 (2006), 673–704. http://doi.org/10.1007/s00153-006-0011-5 doi: 10.1007/s00153-006-0011-5 |
[2] | P. Cintula, R. Horčík, C. Noguera, Non-associative substructural logics and their semilinear extensions: Axiomatization and completeness properties, Rev. Symbolic Logic, 6 (2013), 394–423. http://doi.org/10.1017/S1755020313000099 doi: 10.1017/S1755020313000099 |
[3] | P. Cintula, C. Noguera, Implicational (semilinear) logics Ⅰ: A new hierarchy, Arch. Math. Logic, 49 (2010), 417–446. http://doi.org/10.1007/s00153-010-0178-7 doi: 10.1007/s00153-010-0178-7 |
[4] | P. Cintula, C. Noguera, A general framework for mathematical fuzzy logic, In: Handbook of Mathematical Fuzzy Logic, London: College Publications, 2011,103–207. |
[5] | P. Cintula, C. Noguera, Implicational (semilinear) logics Ⅲ: Completeness properties, Arch. Math. Logic, 57 (2018), 391–420. http://doi.org/10.1007/s00153-017-0577-0 doi: 10.1007/s00153-017-0577-0 |
[6] | J. M. Dunn, Partial gaggles applied to logics with restricted structural rules, Substructural Logics, 2 (1993), 63–108. |
[7] | J. M. Dunn, G. Hardegree, Algebraic Methods in Philosophical Logic, Oxford: Oxford Univ Press, 2001. |
[8] | G. Galatos, P. Jipsen, T. Kowalski, H. Ono, Residuated lattices: An algebraic glimpse at substructural logics, Amsterdam: Elsevier, 2007. |
[9] | G. Galatos, H. Ono, Cut elimination and strong separation for substructural logics, Ann. Pure Appl. Logic, 161 (2010), 1097–1133. http://doi.org/10.1016/j.apal.2010.01.003 doi: 10.1016/j.apal.2010.01.003 |
[10] | Y. S. Huang, BCI-algebra, Beijing: Science Press, 2006. |
[11] | P. M. Idziak, Lattice operations in BCK-algebras, PhD thesis, Jagiellonian University, 1984. |
[12] | P. M. Idziak, Lattice operations in BCK-algebras, Math. Jpn., 29 (1984), 839–846. |
[13] | Y. Imai, K. Iséki, On axiom systems of proposition calculi, Proc. Jpn. Acad., 42 (1966), 19–22. http://doi.org/10.3792/pja/1195522169 doi: 10.3792/pja/1195522169 |
[14] | K. Iséki, An algebra related with a propositional calculus, Proc. Jpn. Acad., 42 (1966), 26–29. http://doi.org/10.3792/pja/1195522171 doi: 10.3792/pja/1195522171 |
[15] | K. Iséki, On BCI-algebras, Math. Semin. Notes, 8 (1980), 125–130. |
[16] | K. Iséki, S. Tanaka, An introduction to the theory of BCK-algebras, Math. Jpn., 23 (1978), 1–26. |
[17] | G. Metcalfe, F. Montagna, Substructural Fuzzy Logics, J. Symbolic Logic, 72 (2007), 834–864. http://doi.org/10.2178/jsl/1191333844 doi: 10.2178/jsl/1191333844 |
[18] | A. N. Prior, Formal logic, 2 Eds., Oxford: Oxford University Press, 1962. |
[19] | J. G. Raftery, Order algebraizable logics, Ann. Pure Appl. Logic, 164 (2013), 251–283. http://doi.org/10.1016/j.apal.2012.10.013 doi: 10.1016/j.apal.2012.10.013 |
[20] | E. Yang, J. M. Dunn, Implicational tonoid logics: Algebraic and relational semantics, Log. Universalis, 15 (2021), 435–456. http://doi.org/10.1007/s11787-021-00288-z doi: 10.1007/s11787-021-00288-z |
[21] | E. Yang, J. M. Dunn, Implicational Partial Galois Logics: Relational semantics, Log. Universalis, 15 (2021), 457–476 (2021). http://doi.org/10.1007/s11787-021-00290-5 doi: 10.1007/s11787-021-00290-5 |