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Pebble-Intervals Automata and FO[Formula: see text] with Two Orders

We introduce a novel automata model, which we call pebble-intervals automata (PIA), and study its power and closure properties. PIAs are tailored for a decidable fragment of FO that is important for reasoning about structures that use data values from infinite domains: the two-variable fragment with...

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Detalles Bibliográficos
Autores principales: Labai, Nadia, Kotek, Tomer, Ortiz, Magdalena, Veith, Helmut
Formato: Online Artículo Texto
Lenguaje:English
Publicado: 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7206661/
http://dx.doi.org/10.1007/978-3-030-40608-0_14

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