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» Program Composition in Isabelle UNITY
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IPPS
2002
IEEE
14 years 11 days ago
Program Composition in Isabelle/UNITY
We describe the mechanization of recent examples of compositional reasoning, due to Charpentier and Chandy [4]. The examples illustrate a new theory for composition proposed by Ch...
Sidi O. Ehmety, Lawrence C. Paulson
IPPS
2003
IEEE
14 years 22 days ago
A UNITY-Based Formalism for Dynamic Distributed Systems
We describe Dynamic UNITY, a new formalism for the specification of dynamic distributed systems based on the UNITY formalism. This formalism allows for the specification and pro...
Daniel M. Zimmerman
HLPPP
1991
13 years 11 months ago
Reasoning About Synchronic Groups
Swarm is a computational model which extends the UNITY model in three important ways: (1) UNITY’s fixed set of variables is replaced by an unbounded set of tuples which are add...
Gruia-Catalin Roman, H. Conrad Cunningham
ENTCS
2002
65views more  ENTCS 2002»
13 years 7 months ago
Superposition: Composition vs refinement of non-deterministic action-based systems
We show that the traditional notion of superposition as used for supporting parallel program design can subsume both composition and refinement relationships when non-deterministi...
Antónia Lopes, José Luiz Fiadeiro
IPPS
1999
IEEE
13 years 11 months ago
Mechanical Verification of a Garbage Collector
Abstract. We describe how the PVS verification system has been used to verify a safety property of a garbage collection algorithm, originally suggested by Ben-Ari. The safety prope...
Klaus Havelund