- Ordered pair semantics and negation in LP
- A review of proposed principles of causal non-monotonic reasoning
- Introduction to Special Issue in Honour of Robert Goldblatt
- Revisiting McKinsey’s ‘Syntactical’ Construction of Modality
- Free lattices proof-theoretically
- Non-representable relation algebras from vector spaces
- Modal Meinongianism and Object Theory
- Grounding rules and (hyper-)isomorphic formulas
- The Moral Law and The Good in Temporal Modal Logic with Propositional Quantifiers