A Logic for Disjunctive Ignorance. Fan, J. Journal of Philosophical Logic, April, 2021.
A Logic for Disjunctive Ignorance [link]Paper  doi  abstract   bibtex   
In this paper, we introduce a notion of ‘disjunctive ignorance’, which is a weak combination of two forms of ignorance in the literature. We propose a logical language with ‘disjunctive ignorance’ as a sole modality, explore the logical properties of this notion and its related notions, and axiomatize it over various frame classes. By finding suitable reduction axioms, we extend the results to the case of public announcements and apply it to Moore-like sentences.
@article{fan_logic_2021,
	title = {A {Logic} for {Disjunctive} {Ignorance}},
	issn = {1573-0433},
	url = {https://doi.org/10.1007/s10992-021-09599-4},
	doi = {10.1007/s10992-021-09599-4},
	abstract = {In this paper, we introduce a notion of ‘disjunctive ignorance’, which is a weak combination of two forms of ignorance in the literature. We propose a logical language with ‘disjunctive ignorance’ as a sole modality, explore the logical properties of this notion and its related notions, and axiomatize it over various frame classes. By finding suitable reduction axioms, we extend the results to the case of public announcements and apply it to Moore-like sentences.},
	language = {en},
	urldate = {2021-04-28},
	journal = {Journal of Philosophical Logic},
	author = {Fan, Jie},
	month = apr,
	year = {2021},
	keywords = {Ignorance in philosophy and logic, PRINTED (Fonds papier)},
}

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