Invited Lectures -- Notions of Average-Case Complexity for Random 3-SAT -- Abstract Interpretation of Proofs: Classical Propositional Calculus -- Applications of Craig Interpolation to Model Checking -- Bindings, Mobility of Bindings, and the ?-Quantifier: An Abstract -- My (Un)Favourite Things -- Regular Papers -- On Nash Equilibria in Stochastic Games -- A Bounding Quantifier -- Parity and Exploration Games on Infinite Graphs -- Integrating Equational Reasoning into Instantiation-Based Theorem Proving -- Goal-Directed Methods for ?ukasiewicz Logic -- A General Theorem on Termination of Rewriting -- Predicate Transformers and Linear Logic: Yet Another Denotational Model -- Structures for Multiplicative Cyclic Linear Logic: Deepness vs Cyclicity -- On Proof Nets for Multiplicative Linear Logic with Units -- The Boundary Between Decidability and Undecidability for Transitive-Closure Logics -- Game-Based Notions of Locality Over Finite Models -- Fixed Points of Type Constructors and Primitive Recursion -- On the Building of Affine Retractions -- Higher-Order Matching in the Linear ?-calculus with Pairing -- A Dependent Type Theory with Names and Binding -- Towards Mechanized Program Verification with Separation Logic -- A Functional Scenario for Bytecode Verification of Resource Bounds -- Proving Abstract Non-interference -- Intuitionistic LTL and a New Characterization of Safety and Liveness -- Moving in a Crumbling Network: The Balanced Case -- Parameterized Model Checking of Ring-Based Message Passing Systems -- A Third-Order Bounded Arithmetic Theory for PSPACE -- Provably Total Primitive Recursive Functions: Theories with Induction -- Logical Characterizations of PSPACE -- The Logic of the Partial ?-Calculus with Equality -- Complete Lax Logical Relations for Cryptographic Lambda-Calculi -- Subtyping Union Types -- Pfaffian Hybrid Systems -- Axioms for Delimited Continuations in the CPS Hierarchy -- Set Constraints on Regular Terms -- Unsound Theorem Proving -- A Space Efficient Implementation of a Tableau Calculus for a Logic with a Constructive Negation -- Automated Generation of Analytic Calculi for Logics with Linearity.