Foundational (Co)datatypes and (Co)recursion for Higher-Order Logic -- Designing Theory Solvers with Extensions -- First-Order Interpolation of Non-Classical Logics Derived from Propositional Interpolation -- A New Description Logic with Set Constraints and Cardinality Constraints on Role Successors -- Interpolation, Amalgamation and Combination (the Non-disjoint Signatures Case) -- Subtropical Satisfiability -- Finitariness of Elementary Unification in Boolean Region Connection Calculus -- Metric Temporal Description Logics with Interval-Rigid Names -- Superposition with Integrated Induction -- The Bernays-Schönfinkel-Ramsey Fragment with Bounded Difference Constraints over the Reals is Decidable -- Decidable Verification of Decision-Theoretic Golog -- Pushing the Boundaries of Reasoning About Qualified Cardinality Restrictions -- Complexity Analysis for Term Rewriting by Integer Transition Systems -- Using Ontologies to Query Probabilistic Numerical Data -- Merging Fragments of Classical Logic -- On Solving Nominal Fixpoint Equations -- Parallel Closure Theorem for Left-Linear Nominal Rewriting Systems -- Solving SAT and MaxSAT with a Quantum Annealer: Foundations and a Preliminary Report -- The Boolean Solution Problem from the Perspective of Predicate Logic. .