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.