Research output: Contribution to journal › Article › peer-review
A General Framework for FDE - Based Modal Logics. / Drobyshevich, Sergey.
In: Studia Logica, Vol. 108, No. 6, 01.12.2020, p. 1281-1306.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - A General Framework for FDE - Based Modal Logics
AU - Drobyshevich, Sergey
N1 - This work was supported by the Russian Foundation for Basic Research (RFBR) and Deutsche Forschungsgemeinschaft (DFG), Project 18-501-12019. We would also like to thank two anonymous referees for their useful comments, which allowed us to both correct some mistakes in the earlier version of the paper and to improve its presentation.
PY - 2020/12/1
Y1 - 2020/12/1
N2 - We develop a general theory of FDE-based modal logics. Our framework takes into account the four-valued nature of FDE by considering four partially defined modal operators corresponding to conditions for verifying and falsifying modal necessity and possibility operators. The theory comes with a uniform characterization for all obtained systems in terms of FDE-style formula-formula sequents. We also develop some correspondence theory and show how Hilbert-style axiom systems can be obtained in appropriate cases. Finally, we outline how different systems from the literature can be expressed in our framework.
AB - We develop a general theory of FDE-based modal logics. Our framework takes into account the four-valued nature of FDE by considering four partially defined modal operators corresponding to conditions for verifying and falsifying modal necessity and possibility operators. The theory comes with a uniform characterization for all obtained systems in terms of FDE-style formula-formula sequents. We also develop some correspondence theory and show how Hilbert-style axiom systems can be obtained in appropriate cases. Finally, we outline how different systems from the literature can be expressed in our framework.
KW - Axiom systems
KW - First-degree entailment
KW - Many-valued logic
KW - Modal logic
KW - Strong negation
UR - http://www.scopus.com/inward/record.url?scp=85094652107&partnerID=8YFLogxK
UR - https://elibrary.ru/item.asp?id=45220904
U2 - 10.1007/s11225-020-09897-z
DO - 10.1007/s11225-020-09897-z
M3 - Article
AN - SCOPUS:85094652107
VL - 108
SP - 1281
EP - 1306
JO - Studia Logica
JF - Studia Logica
SN - 0039-3215
IS - 6
ER -
ID: 25993916