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Erschienen in:
2011 | OriginalPaper | Buchkapitel
A New Approach to creating Clear Safety Arguments
verfasst von : Richard Hawkins, Tim Kelly, John Knight, Patrick Graydon
Erschienen in: Advances in Systems Safety
Verlag: Springer London
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We introduce
assured safety arguments
, a new structure for arguing safety in which the
safety argument
is accompanied by a
confidence argument
that documents the confidence in the structure and bases of the safety argument. This structure separates the major components that have traditionally been confused within a single safety argument structure. Separation gives both arguments greater clarity of purpose, and helps avoid the introduction of superfluous arguments and evidence. In this paper we describe a systematic approach to establishing both arguments, illustrated with a running example.