Hybrid and Subexponential Linear Logics Technical Report

Abstract : HyLL (Hybrid Linear Logic) and SELL (Subexponential Linear Logic) are logical frameworks that have been extensively used for specifying systems that exhibit modalities such as temporal or spatial ones. Both frameworks have linear logic (LL) as a common ground and they admit (cut-free) complete focused proof systems. The difference between the two logics relies on the way modalities are handled. In HyLL, truth judgments are labelled by worlds and hybrid connectives relate worlds with formulas. In SELL, the linear logic exponentials (!, ?) are decorated with labels representing locations, and an ordering on such labels defines the provability relation among resources in those locations. It is well known that SELL, as a logical framework, is strictly more expressive than LL. However, so far, it was not clear whether HyLL is more expressive than LL and/or SELL. In this paper, we show an encoding of the HyLL's logical rules into LL with the highest level of adequacy, hence showing that HyLL is as expressive as LL. We also propose an encoding of HyLL into SELL ⋓ (SELL plus quantification over locations) that gives better insights about the meaning of worlds in HyLL. We conclude our expressiveness study by showing that previous attempts of encoding Computational Tree Logic (CTL) operators into HyLL cannot be extended to consider the whole set of temporal connectives. We show that a system of LL with fixed points is indeed needed to faithfully encode the behavior of such temporal operators.
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[Research Report] INRIA Sophia Antipolis - I3S; Universidade Federal do Rio Grande do Norte (Natal). 2016, pp.22
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Contributeur : Joelle Despeyroux <>
Soumis le : jeudi 1 septembre 2016 - 20:43:35
Dernière modification le : jeudi 11 janvier 2018 - 16:48:40
Document(s) archivé(s) le : samedi 3 décembre 2016 - 21:43:41


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  • HAL Id : hal-01358057, version 2
  • ARXIV : 1608.08779



Joëlle Despeyroux, Carlos Olarte, Elaine Pimentel. Hybrid and Subexponential Linear Logics Technical Report. [Research Report] INRIA Sophia Antipolis - I3S; Universidade Federal do Rio Grande do Norte (Natal). 2016, pp.22. 〈hal-01358057v2〉



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