Automated Deduction - CADE-21

Session 1. Invited Talk: Colin Stirling.- Games, Automata and Matching.- Session 2. Higher-Order Logic.- Formalization of Continuous Probability Distributions.- Compilation as Rewriting in Higher Order Logic.- Barendregt’s Variable Convention in Rule Inductions.- Automating Elementary Number-Theoretic Proofs Using Gröbner Bases.- Session 3. Description Logic.- Optimized Reasoning in Description Logics Using Hypertableaux.- Conservative Extensions in the Lightweight Description Logic .- An Incremental Technique for Automata-Based Decision Procedures.- Session 4. Intuitionistic Logic.- Bidirectional Decision Procedures for the Intuitionistic Propositional Modal Logic IS4.- A Labelled System for IPL with Variable Splitting.- Session 5. Invited Talk: Ashish Tiwari.- Logical Interpretation: Static Program Analysis Using Theorem Proving.- Session 6. Satisfiability Modulo Theories.- Solving Quantified Verification Conditions Using Satisfiability Modulo Theories.- Efficient E-Matching for SMT Solvers.- -Decision by Decomposition.- Towards Efficient Satisfiability Checking for Boolean Algebra with Presburger Arithmetic.- Session 7. Induction, Rewriting, and Polymorphism.- Improvements in Formula Generalization.- On the Normalization and Unique Normalization Properties of Term Rewrite Systems.- Handling Polymorphism in Automated Deduction.- Session 8. First-Order Logic.- Automated Reasoning in Kleene Algebra.- SRASS - A Semantic Relevance Axiom Selection System.- Labelled Clauses.- Automatic Decidability and Combinability Revisited.- Session 9. Invited Talk: K. Rustan M. Leino.- Designing Verification Conditions for Software.- Session 10. Model Checking and Verification.- Encodings of Bounded LTL Model Checking in Effectively Propositional Logic.- Combination Methodsfor Satisfiability and Model-Checking of Infinite-State Systems.- The KeY system 1.0 (Deduction Component).- KeY-C: A Tool for Verification of C Programs.- The Bedwyr System for Model Checking over Syntactic Expressions.- System for Automated Deduction (SAD): A Tool for Proof Verification.- Session 11. Invited Talk: Peter Baumgartner.- Logical Engineering with Instance-Based Methods.- Session 12. Termination.- Predictive Labeling with Dependency Pairs Using SAT.- Dependency Pairs for Rewriting with Non-free Constructors.- Proving Termination by Bounded Increase.- Certified Size-Change Termination.- Session 13. Tableaux and First-Order Systems.- Encoding First Order Proofs in SAT.- Hyper Tableaux with Equality.- System Description: E- KRHyper.- System Description: Spass Version 3.0.