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Proving properties of a safety-critical system

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2 Author(s)
Atkinson, W. ; Dept. of Adv. Comput., AEA Technol., Harwell, UK ; Cunningham, J.

The paper describes the FOREST approach to formal requirements specification and particularly the role of an automated theorem prover in validating specifications written in MAL, the FOREST logic. The MAL prover uses a tableau method for constructing its proofs, with rules to handle the action modalities and quantification of MAL. The authors illustrate its use in validation by using the prover to establish that a safety-critical railway-signalling specification has some desirable safety properties

Published in:

Software Engineering Journal  (Volume:6 ,  Issue: 2 )