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A concrete realization of the Hoare powerdomain

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Abstract

The lattice of non-empty Scott-closed subsets of a domain D is called the Hoare powerdomain of D. The Hoare powerdomain is used in programming semantics as a model for angelic nondeterminism. In this paper, we show that the Hoare powerdomain of any domain can be realized as the lattice of full subinformation systems of the domain’s corresponding information system as well as the lattice of non-empty down-sets of the system’s consistency predicate.

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Correspondence to Constantine Tsinakis.

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Hart, J.B., Tsinakis, C. A concrete realization of the Hoare powerdomain. Soft Comput 11, 1059–1063 (2007). https://doi.org/10.1007/s00500-007-0153-3

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