From Tableaux to Automata for Description Logics -- Disproving False Conjectures -- A Formal Proof of Dickson’s Lemma in ACL2 -- Imperative Object-Based Calculi in Co-inductive Type Theories -- Congruence Closure with Integer Offsets -- A Machine-Verified Code Generator -- A Translation Characterizing the Constructive Content of Classical Theories -- Extensions of Non-standard Inferences to Description Logics with Transitive Roles -- Extended Canonicity of Certain Topological Properties of Set Spaces -- Algebraic and Model Theoretic Techniques for Fusion Decidability in Modal Logics -- Improving Dependency Pairs -- On Closure under Complementation of Equational Tree Automata for Theories Extending AC -- Completeness of E-Unification with Eager Variable Elimination -- Computable Numberings -- Handling Equality in Monodic Temporal Resolution -- Once upon a Time in the West -- Ordered Diagnosis -- Computing Preferred Answer Sets in Answer Set Programming -- A Syntax-Based Approach to Reasoning about Actions and Events -- Minimizing Automata on Infinite Words -- Gandy’s Theorem for Abstract Structures without the Equality Test -- Efficient SAT Engines for Concise Logics: Accelerating Proof Search for Zero-One Linear Constraint Systems -- NP-Completeness Results for Deductive Problems on Stratified Terms -- Is Cantor’s Theorem Automatic? -- Automatic Structures of Bounded Degree -- An Optimal Automata Approach to LTL Model Checking of Probabilistic Systems -- A Logical Study on Qualitative Default Reasoning with Probabilities -- On Structuring Proof Search for First Order Linear Logic -- Strict Geometry of Interaction Graph Models -- Connection-Based Proof Construction in Non-commutative Logic.