Mathematical Logic

Heyting Session (Invited Papers).- On the Early History of Intuitionistic Logic.- Heyting and Intuitionistic Geometry.- Summer School (Invited Lectures).- Provability Logics for Relative Interpretability.- Constructive Mathematics and Computer-Assisted Reasoning Systems.- Markov's Constructive Mathematical Analysis: the Expextations and Results.- Normalization Theorems for the Intuitionistic Systems with Choice Principles.- Formalizing the Notion of Total Information.- Structural Rules and a Logical Hierarchy.- Semantics of Non-classical First Order Predicate Logics.- On the Computational Power of the Logic Programs.- Some Relations among Systems for Bounded Arithmetic.- A Survey of Intuitionistic Descriptive Set Theory.- Interpretability Logic.- Hierarchies of Provably Computable Functions.- Conference (Contributed Papers).- Sequent Calculus for Intuitionistic Linear Propositional Logic.- Order Isomorphisms - a Constructive Measure-Theoretic View.- 1-Generic Enumeration Degrees Below Oe'.- Remarks on Denjoy Sets.- Normal Modal Logic in Which the Heyting Proposotional Calculus Can be Embedded.- Lattices Adequate for Intutionistic Predicate Logic.- A Note on Boolean Modal Logic.- Completeness and Incompleteness in the Bimodal Base L(R,?R).- A Temporal Logic for Event Structures.- Completeness of Propositional Dynamic Logic with Infinite Repeating.- An Equivalence between Polinomial Constructivity of Markov's Principle and Equality P=NP.- Effective Enumerations of Abstract Structures.- Modal Characterization of the Classes of Finite and Infinite Quasi-Ordered Sets.- Least Fixed Points in Preassociative Combinatory Algebras.- Participants, Contributors and Programme Committee Members.