Koji Tanaka, Francesco Berto, Edwin Mares and Francesco Paoli: Guest Editors' Introduction /5 Norihiro Kamide and Heinrich Wansing: Symmetric and Dual Paraconsistent Logics /7 Hans Lycke: Inconsistency-Adaptive Modal Logics. On How to Cope with Modal Inconsistency /31 Alessio Moretti: The Critics of Paraconsistency and of Many-Valuedness and the Geometry of Oppositions /63 Christian Straÿer: An Adaptive Logic Framework for Conditional Obligations and Deontic Dilemmas /95 Toshiharu Waragai and Hitoshi Omori: Some New Results on PCL1 and its Related Systems /129 Paul Wong: Minimising Disjunctive Information /159