Defeasible Conditional Obligation in a Two-tiered Preference-based Semantics (Extended Version) 事件

Defeasible Conditional Obligation in a Two-tiered Preference-based Semantics (Extended Version) arXiv:2604.26977v2 Announce Type: replace-cross Abstract: In response to a concern raised by Horty, this paper develops a two-tiered, preference-based semantic framework for modeling defeasible conditional obligations. The paper extends a Hansson-Lewis style preference semantics for dyadic deontic logic by incorporating a nonmonotonic reasoning mechanism that enables previously derived obligations to