May I borrow your logic? (Transporting logical structures along maps)
Theoretical Computer Science - Special issue: algebraic development techniques
Extending Development Graphs with Hiding
FASE '01 Proceedings of the 4th International Conference on Fundamental Approaches to Software Engineering
Towards an Evolutionary Formal Software-Development Using CASL
WADT '99 Selected papers from the 14th International Workshop on Recent Trends in Algebraic Development Techniques
The KIV-Approach to Software Verification
KORSO - Methods, Languages, and Tools for the Construction of Correct Software
Integrating HOL-CASL into the Development Graph Manager MAYA
FroCoS '02 Proceedings of the 4th International Workshop on Frontiers of Combining Systems
An Infrastructure for Intertheory Reasoning
CADE-17 Proceedings of the 17th International Conference on Automated Deduction
Change management for heterogeneous development graphs
Verification, induction termination analysis
Change management for heterogeneous development graphs
Verification, induction termination analysis
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The development of industrial-size software is an evolutionary process based on structured specifications. In a formal setting, specification and verification are intertwined. Specifications are amended either to add new functionality or to fix bugs detected during the verification process. In this paper we propose a system to maintain the verification of formal developments. It exploits the structure of the specification to reveal and eliminate redundant proof obligations and therefore constitutes itself a verification system in-the-large. Proofs in this system are represented as explicit proof objects allowing the system to adjust or reuse them in case the specification is changed.