Theorem Proving in Higher Order Logics

Invited Papers.- Twenty Years of Theorem Proving for HOLs Past, Present and Future.- Will This Be Formal?.- Tutorials.- A Short Presentation of Coq.- An ACL2 Tutorial.- A Brief Overview of PVS.- A Brief Overview of HOL4.- The Isabelle Framework.- Regular Papers.- A Compiled Implementation of Normalization by Evaluation.- LCF-Style Propositional Simplification with BDDs and SAT Solvers.- Nominal Inversion Principles.- Canonical Big Operators.- A Type of Partial Recursive Functions.- Formal Reasoning About Causality Analysis.- Imperative Functional Programming with Isabelle/HOL.- HOL-Boogie - An Interactive Prover for the Boogie Program-Verifier.- Secure Microkernels, State Monads and Scalable Refinement.- Certifying a Termination Criterion Based on Graphs, without Graphs.- Lightweight Separation.- Real Number Calculations and Theorem Proving.- A Formalized Theory for Verifying Stability and Convergence of Automata in PVS.- Certified Exact Transcendental Real Number Computation in Coq.- Formalizing Soundness of Contextual Effects.- First-Class Type Classes.- Formalizing a Framework for Dynamic Slicing of Program Dependence Graphs in Isabelle/HOL.- Proof Pearls.- Proof Pearl: Revisiting the Mini-rubik in Coq.