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math.LO2024
Equivalence of finite non-deterministic logical matrices is undecidable
Carlos Caleiro, Pedro Filipe, Sérgio Marcelino
The notion of a non-deterministic logical matrix (where connectives are interpreted as multi-functions) extends the traditional semantics for propositional logics based on logical…
math.LO2023
Some more theorems on structural entailment relations and non-deterministic semantics
Carlos Caleiro, Sérgio Marcelino, Umberto Rivieccio
We extend classical work by Janusz Czelakowski on the closure properties of the class of matrix models of entailment relations - nowadays more commonly called multiple-conclusion l…