2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166784What is the minimal algebraic structure to reason about information flow? Do we really need the full power of Boolean algebras with co-closure and de Morgan dual operators? How much can we weaken and still be able to reason about multi-agent scenarios in a tidy compositional way? This paper provides some answers.15 pagesLogicLogic in Computer Sciencetext