On Jaśkowski's discussive logics Newton C. A. da CostaFrancisco A. Doria OriginalPaper Pages: 33 - 60
Sahlqvist's theorem for boolean algebras with operators with an application to cylindric algebras Maarten de RijkeYde Venema OriginalPaper Pages: 61 - 78
Algebraic study of Sette's maximal paraconsistent logic Alexej P. Pynko OriginalPaper Pages: 89 - 128