Kripke semantics and tableaux for centered tense Nelson logic
Article
Calomino, I., Lewis-Smith, A., Pelaitay, G. and Zhao, Z. 2026. Kripke semantics and tableaux for centered tense Nelson logic. Reports on Mathematical Logic. 61.
| Type | Article |
|---|---|
| Title | Kripke semantics and tableaux for centered tense Nelson logic |
| Authors | Calomino, I., Lewis-Smith, A., Pelaitay, G. and Zhao, Z. |
| Abstract | We develop a Kripke semantics and a labelled tableau calculus for the logic of centered tense Nelson algebras. The semantics is obtained by combining the relational representation of intuitionistic tense algebras with the Kalman construction. Formulae are interpreted by pairs of disjoint upsets, recording verification and falsification; this two-component interpretation is forced by strong negation and by the negative component of Nelson implication. Using the established representation theory of IKt-algebras together with the Kalman equivalence, we connect the algebraic and relational semantics and establish soundness and completeness of the tableau calculus. |
| Keywords | Intuitionistic tense logic; Nelson algebra; Kalman construction; Kripke semantics; labelled tableaux |
| Sustainable Development Goals | 9 Industry, innovation and infrastructure |
| Middlesex University Theme | Creativity, Culture & Enterprise |
| Research Group | Foundations of Computing group |
| Publisher | Jagiellonian University Press |
| Journal | Reports on Mathematical Logic |
| ISSN | 0137-2904 |
| Electronic | 2084-2589 |
| Publication process dates | |
| Accepted | 12 Oct 2026 |
| Deposited | 13 Oct 2026 |
| Output status | Accepted |
| Accepted author manuscript | File Access Level Open |
| Copyright Statement | Licence: CC BY 4.0 |
| Language | English |
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