On Generalized Records and Spatial Conjunction in Role Logic

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dc.creatorKuncak, Viktor
dc.creatorRinard, Martin
dc.date2004-08-05
dc.date.accessioned2026-07-07T03:21:38Z
dc.date.available2026-07-07T03:21:38Z
dc.descriptionWe have previously introduced role logic as a notation for describing properties of relational structures in shape analysis, databases and knowledge bases. A natural fragment of role logic corresponds to two-variable logic with counting and is therefore decidable. We show how to use role logic to describe open and closed records, as well the dual of records, inverse records. We observe that the spatial conjunction operation of separation logic naturally models record concatenation. Moreover, we show how to eliminate the spatial conjunction of formulas of quantifier depth one in first-order logic with counting. As a result, allowing spatial conjunction of formulas of quantifier depth one preserves the decidability of two-variable logic with counting. This result applies to two-variable role logic fragment as well. The resulting logic smoothly integrates type system and predicate calculus notation and can be viewed as a natural generalization of the notation for constraints arising in role analysis and similar shape analysis approaches.
dc.description30 pages. A version appears in SAS 2004
dc.identifierhttps://arxiv.org/abs/cs/0408019
dc.identifierhttp://arxiv.org/abs/cs/0408019
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/32278
dc.subjectProgramming Languages
dc.subjectLogic in Computer Science
dc.subjectD.2.4; D.3.1; D.3.3; F.3.1; F.3.2; F.4.1
dc.titleOn Generalized Records and Spatial Conjunction in Role Logic
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