Foreword
Lev Beklemishev, Guram Bezhanishvili, Daniele Mundici and Yde Venema
2012, Volume 100, Numbers 1-2, Pages 1-7
Students of Leo Esakia
2012, Volume 100, Numbers 1-2, Pages 9-15
- Open Access
Fatal Heyting Algebras and Forcing Persistent Sentences
Leo Esakia and Benedikt Löwe
2012, Volume 100, Numbers 1-2, Pages 163-173
Reconstructing an Open Order from Its Closure, with Applications to Space-Time Physics and to Logic
Francisco Zapata and Vladik Kreinovich
2012, Volume 100, Numbers 1-2, Pages 419-435
Dynamic Modalities
Dimiter Vakarelov
2012, Volume 100, Numbers 1-2, Pages 385-397
Canonical Extensions and Discrete Dualities for Finitely Generated Varieties of Lattice-based Algebras
B. A. Davey and H. A. Priestley
2012, Volume 100, Numbers 1-2, Pages 137-161
The Ontology of Justifications in the Logical Setting
Sergei N. Artemov
2012, Volume 100, Numbers 1-2, Pages 17-30
Extendible Formulas in Two Variables in Intuitionistic Logic
Nick Bezhanishvili and Dick de Jongh
2012, Volume 100, Numbers 1-2, Pages 61-89
Kripke Sheaf Completeness of some Superintuitionistic Predicate Logics with a Weakened Constant Domains Principle
Dmitrij Skvortsov
2012, Volume 100, Numbers 1-2, Pages 361-383
Topological Proofs of Some Rasiowa-Sikorski Lemmas
Robert Goldblatt
2012, Volume 100, Numbers 1-2, Pages 175-191