On Monadic Operators on Modal Pseudocomplemented De Morgan Algebras and Tetravalent Modal Algebras Aldo Figallo OrellanoInés Pascual OriginalPaper 04 June 2018 Pages: 591 - 611
Sequent Calculi for Global Modal Consequence Relations Minghui MaJinsheng Chen OriginalPaper 18 June 2018 Pages: 613 - 637
Axiomatizing the Logic of Imagination Alessandro Giordani OriginalPaper 25 June 2018 Pages: 639 - 657
MS-Algebras Whose e-Ideals are Kernel Ideals Congwen LuoYanlu Zheng OriginalPaper 03 July 2018 Pages: 659 - 668
Epistemic Logic, Monotonicity, and the Halbach–Welch Rapprochement Strategy Kyle Banick OriginalPaper 12 July 2018 Pages: 669 - 693
Undecidability of First-Order Modal and Intuitionistic Logics with Two Variables and One Monadic Predicate Letter Mikhail RybakovDmitry Shkatov OriginalPaper 17 July 2018 Pages: 695 - 717
A Propositional Dynamic Logic for Instantial Neighborhood Semantics Johan van BenthemNick BezhanishviliSebastian Enqvist OriginalPaper Open access 22 August 2018 Pages: 719 - 751
Propositional Epistemic Logics with Quantification Over Agents of Knowledge (An Alternative Approach) Gennady Shtakser OriginalPaper 22 August 2018 Pages: 753 - 780
A Study in Grzegorczyk Point-Free Topology Part II: Spaces of Points Rafał GruszczyńskiAndrzej Pietruszczak OriginalPaper Open access 23 August 2018 Pages: 809 - 843
Enrico Martino, Intuitionistic Proof Versus Classical Truth: The Role of Brouwer’s Creative Subject in Intuitionistic Mathematics, Springer, 2018 Peter Fletcher Book Reviews 19 June 2019 Pages: 845 - 851
Jan Dejnožka, The Concept of Relevance and the Logic Diagram Tradition Francesco Bellucci Book Reviews 27 June 2019 Pages: 853 - 857