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cs.LO2026
Uniform Lyndon Interpolation via Non-wellfounded Proofs
Borja Sierra Miranda, Thomas Studer
Non-wellfounded proof theory has been applied to establish uniform interpolation and Lyndon interpolation (separately) for multiple logics. However, it has not yet been used to pro…
cs.LO2025
Knowledge and Common Knowledge of Strategies
Borja Sierra Miranda, Thomas Studer
Most existing work on strategic reasoning simply adopts either an informed or an uninformed semantics. We propose a model where knowledge of strategies can be specified on a fine-g…
cs.LO2025
Algebraic Proof Theory for Infinitary Action Logic
Wesley Fussner, Simon Santschi, Borja Sierra Miranda
We exhibit a uniform method for obtaining (wellfounded and non-wellfounded) cut-free sequent-style proof systems that are sound and complete for various classes of action algebras,…