Free Choice in Modal Inquisitive Logic. Nygren, K. Journal of Philosophical Logic, 52(2):347 – 391, 2023. Publisher: Springer Science and Business Media B.V. Type: Article![Free Choice in Modal Inquisitive Logic [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex This paper investigates inquisitive extensions of normal modal logic with an existential modal operator taken as primitive. The semantics of the existential modality is generalized to apply to questions, as well as statements. When the generalized existential modality is applied to a question, the result is a statement that roughly expresses that each way of resolving the question is consistent with the available information. I study the resulting logic both from a semantic and from a proof-theoretic point of view. I argue that it can be used for reasoning about a general notion of ignorance, and for reasoning about choice-offering permissions and obligations. The main technical results are sound and complete axiomatizations, both for the class of all Kripke frames, and for any class of frames corresponding to a canonical normal modal logic. © 2022, The Author(s).
@article{nygren_free_2023,
title = {Free {Choice} in {Modal} {Inquisitive} {Logic}},
volume = {52},
issn = {00223611},
url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85136966948&doi=10.1007%2fs10992-022-09674-4&partnerID=40&md5=54b9ae9f227757bbec78fd730ac28eda},
doi = {10.1007/s10992-022-09674-4},
abstract = {This paper investigates inquisitive extensions of normal modal logic with an existential modal operator taken as primitive. The semantics of the existential modality is generalized to apply to questions, as well as statements. When the generalized existential modality is applied to a question, the result is a statement that roughly expresses that each way of resolving the question is consistent with the available information. I study the resulting logic both from a semantic and from a proof-theoretic point of view. I argue that it can be used for reasoning about a general notion of ignorance, and for reasoning about choice-offering permissions and obligations. The main technical results are sound and complete axiomatizations, both for the class of all Kripke frames, and for any class of frames corresponding to a canonical normal modal logic. © 2022, The Author(s).},
language = {English},
number = {2},
journal = {Journal of Philosophical Logic},
author = {Nygren, Karl},
year = {2023},
note = {Publisher: Springer Science and Business Media B.V.
Type: Article},
pages = {347 -- 391},
}
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