Jeg jobber primært med filosofisk logikk, og da særlig

• relevante logikker
• substrukturelle logikker
• parakonsistente logikker
• paradokser som involverer selvreferanse
• tema relatert til modallogikk

Foredrag på vitenskapelige konferanser

• Entailment or implication?: Variable Sharing Properties and Their Discontents, Troy NY, 14.-16.11.24
• The Significance of the Use Criterion: New Directions in Relevant Logic, Online, 10. & 18.11.22
• Supressing Irrelevance: Australasian Association for Logic (AAL) 2022 Conference, Online, 22.–24.06.22
• Logical Suppression Anew: Logic and Metaphysics Workshop of the Graduate Center (CUNY), New York, 25.04.22
• MaGIC and Relevance - Interdisciplinary Research in Logic, Bergen, 03.12.21
• Farewell to Suppression-Freedom (Youtube): Logica Universalis Webinar, 24.03.21
• Classical Relevant Logics (slides): LanCog workshop on substructural logics, Lisbon, 26.09.19–27.09.19
• Disjunctive Syllogism in Relevant Logics (slides): Bergen Workshop on Logical Disagreements, Bergen, 28.05.19–29.05.19
• Dialetheic Paths to Triviality (slides): 4th World Congress and School on Universal Logic, Rio de Janeiro, 03.04.13–07.04.13

Offentlig ordskifte

• Øgaard, Tore Fjetland. 2016. Lomheims logikk. Klassekampen. Publisert 2016-11-26. (Lomheims innlegg).

• Vår 2025: LOG111/311 - Deduksjon og metalogikk: forelesning & seminar
• Vår 2024: LOG111/311 - Deduksjon og metalogikk: forelesning & seminar
• Vår 2023: LOG111/311 - Deduksjon og metalogikk: forelesning & seminar
• Vår 2022: LOG111/311 - Deduksjon og metalogikk: forelesning & seminar
• Vår 2021: LOG111/311 - Deduksjon og metalogikk: forelesning & seminar
• Vår 2020: LOG111/311 - Deduksjon og metalogikk: forelesning & seminar
• Høst 2019: EXPHIL-MNSEM - Examen Philosophicum: seminar
• Vår 2019: LOG111/311 - Deduksjon og metalogikk: seminar

Vitenskapelig foredrag

• Øgaard, Tore Fjetland (2024). Entailment or implication?. (ekstern lenke)
• Øgaard, Tore Fjetland (2022). The Significance of the Use Criterion. (ekstern lenke)
• Øgaard, Tore Fjetland (2022). Suppressing Irrelevance. (ekstern lenke)
• Øgaard, Tore Fjetland (2022). Logical Suppression Anew. (ekstern lenke)
• Øgaard, Tore Fjetland (2021). MaGIC and Relevance. (ekstern lenke)
• Øgaard, Tore Fjetland (2021). Farewell to Suppression-Freedom. (ekstern lenke)
• Øgaard, Tore Fjetland (2019). Disjunctive Syllogism in Relevant Logics. (ekstern lenke)
• Øgaard, Tore Fjetland (2019). Non-Boolean Classical Relevant Logics. (ekstern lenke)
• Øgaard, Tore Fjetland (2013). Dialetheic Paths to Triviality. (ekstern lenke)

Vitenskapelig artikkel

• Øgaard, Tore Fjetland (2024). Simplified semantics for further relevant logics I: unreduced semantics for E and Π′. (ekstern lenke)
• Øgaard, Tore Fjetland (2024). Simplified Semantics for Further Relevant Logics II: Propositional Constants. (ekstern lenke)
• Øgaard, Tore Fjetland (2023). The weak variable sharing property. (ekstern lenke)
• Øgaard, Tore Fjetland (2023). Relevance through topical unconnectedness: Ackermann and Plumwood’s motivational ideas on entailment. (ekstern lenke)
• Øgaard, Tore Fjetland (2021). From Hilbert proofs to consecutions and back. (ekstern lenke)
• Øgaard, Tore Fjetland (2021). Confused Entailment. (ekstern lenke)
• Øgaard, Tore Fjetland (2021). Non-Boolean classical relevant logics II: Classicality through truth-constants. (ekstern lenke)
• Øgaard, Tore Fjetland (2020). Boolean negation and non-conservativity III: the Ackermann constant. (ekstern lenke)
• Øgaard, Tore Fjetland (2020). Boolean negation and non-conservativity II: The variable-sharing property. (ekstern lenke)
• Øgaard, Tore Fjetland (2020). Farewell to Suppression-Freedom. (ekstern lenke)
• Øgaard, Tore Fjetland (2020). Boolean negation and non-conservativity I: Relevant modal logics. (ekstern lenke)
• Øgaard, Tore Fjetland (2019). Non-Boolean classical relevant logics I. (ekstern lenke)
• Øgaard, Tore Fjetland (2019). Substitution in Relevant Logics. (ekstern lenke)
• Field, Hartry; Lederman, Harvey; Øgaard, Tore Fjetland (2017). Prospects for a naive theory of classes. (ekstern lenke)
• Øgaard, Tore Fjetland (2017). Skolem Functions in Non-Classical Logics. (ekstern lenke)
• Øgaard, Tore Fjetland (2016). Paths to Triviality. (ekstern lenke)

Doktorgradsavhandling

• Øgaard, Tore Fjetland (2023). A Study in Relevant Logics. (ekstern lenke)

Leserinnlegg

• Øgaard, Tore Fjetland (2016). Lomheims logikk. (ekstern lenke)

Se en full oversikt over publikasjoner i Cristin

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Akseptert for publiksjon

• Suppressing Irrelevance: Notes on Arnon Avron’s view of relevance. Logique et Analyse.

2025

• Entailment generalized. In: Sedlár, I., Standefer, S., Tedder, A. (eds) New Directions in Relevant Logic. Springer, Cham. doi: 10.1007/978-3-031-69940-5_13
• Withered relevance: evaluating the Anderson-Belnap account of relevant logics. In: Sedlár, I., Standefer, S., Tedder, A. (eds) New Directions in Relevant Logic. Springer, Cham. doi: 10.1007/978-3-031-69940-5_4
• Øgaard, T.F. (2024). Edwin Mares. The Logic of Entailment and its History. Cambridge University Press, Cambridge, UK, 2024, xv + 264 pp. The Bulletin of Symbolic Logic, 30(3), 422–424. doi: 10.1017/bsl.2024.31

2024

• Øgaard, T.F. (2024) Simplified semantics for further relevant logics I: Unreduced semantics for E and Π′. Logic and Logical Philosophy. doi: 10.12775/LLP.2024.021 (Open Access)
• Øgaard, T.F. (2024) Simplified semantics for further relevant logics II: Propositional constants. Logic and Logical Philosophy. doi: 10.12775/LLP.2024.022 (Open Access)

2023

• Øgaard, T.F. (2023) A Study in Relevant Logics. Bergen: Universitetet i Bergen (PhD-avhandling)
• Øgaard, T.F. (2023) Relevance through topical unconnectedness: Ackermann and Plumwood's motivational ideas on entailment. Australasian Journal of Logic. 29(2): 154–187. doi: 10.26686/ajl.v29i2.8284 (Open Access)
• Øgaard, T.F. (2023) The weak variable sharing property. Bulletin of the Section of Logic, 52(1): 85–99. doi: 10.18778/0138-0680.2023.05 (Open Access)

2021

• Øgaard, T.F. (2022) Confused entailment. Topoi, 41(1), s. 207–219. doi: 10.1007/s11245-021-09758-x (tilgang utenfor betalingsmur)
• Øgaard, T.F. (2021) From Hilbert proofs to consecutions and back. Australasian Journal of Logic, 18(2), s. 51–72. doi: 10.26686/ajl.v18i2.6770 (Open Access)
• Øgaard, T.F. (2021) Non-Boolean classical relevant logics II: Classicality through truth-constants. Synthese. 199(3–4), s. 6169–6201. doi: 10.1007/s11229-021-03065-z (Open Access)

2020

• Øgaard, T.F. (2020) Farewell to suppression-freedom. Logica Universalis, 14(3), s. 297–330. doi: 10.1007/s11787-020-00255-0 (Open Access)
• Øgaard, T.F. (2021) Boolean negation and non-conservativity I: Relevant modal logics. Logic Journal of the IGPL, 29(3), s. 340–362. doi: 10.1093/jigpal/jzaa019 (tilgang utenfor betalingsmur)
• Øgaard, T.F. (2021) Boolean negation and non-conservativity II: The variable sharing property. Logic Journal of the IGPL, 29(3), s. 363–369. doi: 10.1093/jigpal/jzaa020 (tilgang utenfor betalingsmur)
• Øgaard, T.F. (2021) Boolean negation and non-conservativity III: The Ackermann constant. Logic Journal of the IGPL, 29(3), s. 370–384. doi: 10.1093/jigpal/jzaa021 (tilgang utenfor betalingsmur)

2019

• Øgaard, T.F. (2021) Non-Boolean classical relevant logics I. Synthese, 198(8): s. 6993–7024. doi: 10.1007/s11229-019-02507-z  (tilgang utenfor betalingsmur)
• Øgaard, T.F. (2020) Substitution in relevant logics. Review of Symbolic Logic, 13(3), s. 655-680. doi: 10.1017/S1755020319000467 (tilgang utenfor betalingsmur)

2017

• Field, H.; Lederman, H.; Øgaard, T.F. (2017) Prospects for a naive theory of classes, Notre Dame Journal of Formal Logic, 58(4), s. 461–506. doi: 10.1215/00294527-2017-0010 (tilgang utenfor betalingsmur)
• Øgaard, T.F. (2017). Skolem functions in non-classical logics. Australasian Journal of Logic, 14(1), s. 181–225. doi: 10.26686/ajl.v14i1.4031 (Open Access)

2015

• Øgaard, T.F. (2016) Paths to triviality. Journal of Philosophical Logic, 45(3), s. 237–276. doi: 10.1007/s10992-015-9374-6 (tilgang utenfor betalingsmur)