The Orthologic of Epistemic Modals
with Matthew Mandelkern
2022.
2021. In Selected Topics from Contemporary Logics, ed. Melvin Fitting, College Publications.
Possibility Frames and Forcing for Modal Logic
Forthcoming in The Australasian Journal of Logic.
Another Problem in Possible World Semantics
with Yifeng Ding
2020. Advances in Modal Logic, Vol. 13.
A Bimodal Perspective on Possibility Semantics
with Johan van Benthem and Nick Bezhanishvili
2017. Journal of Logic and Computation. Publisher's version.
Partiality and Adjointness in Modal Logic
2014. Advances in Modal Logic, Vol. 10.
For other work at Berkeley on possibility semantics, see Guillaume Massas's "A Semi-Constructive Approach to the Hyperreal Line" (2022), Matthew Harrison-Trainor's "First-Order Possibility Models and Finitary Completeness Proofs" (2019) and "A Representation Theorem for Possibility Models" (2016), and Kentaro Yamamoto's "Results in modal correspondence theory for possibility semantics" (2017).
For the starting point of possibility semantics for modal logic, see Lloyd Humberstone's "From Worlds to Possibilities" (1981).