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Subordination Algebras as Semantic Environment of Input/Output Logic

  • Andrea De Domenico*
  • , Ali Farjami
  • , Krishna Manoorkar
  • , Alessandra Palmigiano
  • , Mattia Panettiere
  • , Xiaolong Wang
  • *Corresponding author for this work

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

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Abstract

We establish a novel connection between two research areas in non-classical logics which have been developed independently of each other so far: on the one hand, input/output logic, introduced within a research program developing logical formalizations of normative reasoning in philosophical logic and AI; on the other hand, subordination algebras, investigated in the context of a research program integrating topological, algebraic, and duality-theoretic techniques in the study of the semantics of modal logic. Specifically, we propose that the basic framework of input/output logic, as well as its extensions, can be given formal semantics on (slight generalizations of) subordination algebras. The existence of this interpretation brings benefits to both research areas: on the one hand, this connection allows for a novel conceptual understanding of subordination algebras as mathematical models of the properties and behaviour of norms; on the other hand, thanks to the well developed connection between subordination algebras and modal logic, the output operators in input/output logic can be given a new formal representation as modal operators, whose properties can be explicitly axiomatised in a suitable language, and be systematically studied by means of mathematically established and powerful tools.

Original languageEnglish
Title of host publicationLogic, Language, Information, and Computation
Subtitle of host publication28th International Workshop, WoLLIC 2022, Iași, Romania, September 20–23, 2022, Proceedings
EditorsAgata Ciabattoni, Elaine Pimentel, Ruy J.G.B. de Queiroz
PublisherSpringer Science and Business Media Deutschland GmbH
Pages326-343
Number of pages18
ISBN (Electronic)9783031152986
ISBN (Print)9783031152979
DOIs
Publication statusPublished - 2022
Event28th International Workshop on Logic, Language, Information and Computation, WoLLIC 2022 - Iaşi, Romania
Duration: 20 Sept 202223 Sept 2022

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume13468 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference28th International Workshop on Logic, Language, Information and Computation, WoLLIC 2022
Country/TerritoryRomania
CityIaşi
Period20/09/2223/09/22

Bibliographical note

Publisher Copyright:
© 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.

Keywords

  • input/output logic
  • modal logic
  • Sahlqvist theory
  • subordination algebra

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