2 papers
math.LO2025
Axiomatizing Rumsfeld Ignorance
Jie Fan
In a recent paper, Kit Fine presents some striking results concerning the logical properties of (first-order) ignorance, second-order ignorance and Rumsfeld ignorance. However, Rum…
math.LO2024
Logics of False Belief and Radical Ignorance
Jie Fan
In the literature, the question about how to axiomatize the transitive logic of false belief is thought of as hard and left as an open problem. In this paper, among other contribut…