A computationally grounded dynamic logic of agency, with application to legal actions - Archive ouverte HAL
Communication Dans Un Congrès Année : 2012

A computationally grounded dynamic logic of agency, with application to legal actions

Andreas Herzig
Tiago de Lima
Emiliano Lorini

Résumé

In this article, we propose a Dynamic Logic of Propositional Control DL-PC in which the concept of ‘seeing to it that’ (abbreviated stit) as studied by Belnap, Horty and others can be expressed; more precisely, we capture the concept of the so-called Chellas stit theory and the deliberatibe stit theory, as opposed to Belnap’s original achievement stit. In this logic, the sentence ‘group G sees to it that φ’ is defined in terms of dynamic operators: it is paraphrased as ‘group G is going to execute an action now such that whatever actions the agents outside G can execute at the same time, φ is true afterwards’. We also prove that the satisfiability problem is decidable. In the second part of the article we extend DL-PC with operators modeling normative concepts, resulting in a logic DL-PCLeg. In particular, we define the concepts of ‘legally seeing to it that’ and ‘illegally seeing to it that’. We prove that the decidability result for DL-PC transfers to DL-PCLeg.
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Dates et versions

hal-00866707 , version 1 (27-09-2013)

Identifiants

Citer

Andreas Herzig, Tiago de Lima, Emiliano Lorini, Nicolas Troquard. A computationally grounded dynamic logic of agency, with application to legal actions. 11h International Conference on Deontic Logic in Computer Science (DEON 2012), Jun 2012, Bergen, Norway. pp.170-183, ⟨10.1007/978-3-642-31570-1_12⟩. ⟨hal-00866707⟩
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