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Exploring the relation between Intuitionistic BI and Boolean BI: an unexpected embedding

Published online by Cambridge University Press:  01 June 2009

DOMINIQUE LARCHEY-WENDLING  and
DIDIER GALMICHE
DOMINIQUE LARCHEY-WENDLING
Affiliation:
LORIA - CNRS, Campus Scientifique, BP 239, 54 506 Vandœuvre-lès-Nancy, France Email: larchey@loria.fr
DIDIER GALMICHE
Affiliation:
Université Henri Poincaré, Campus Scientifique, BP 239, 54 506 Vandœuvre-lès-Nancy, France Email: galmiche@loria.fr
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Abstract

The logic of Bunched Implications, through both its intuitionistic version (BI) and one of its classical versions, called Boolean BI (BBI), serves as a logical basis to spatial or separation logic frameworks. In BI, the logical implication is interpreted intuitionistically whereas it is generally interpreted classically in spatial or separation logics, as in BBI. In this paper, we aim to give some new insights into the semantic relations between BI and BBI. Then we propose a sound and complete syntactic constraints based framework for the Kripke semantics of both BI and BBI, a sound labelled tableau proof system for BBI, and a representation theorem relating the syntactic models of BI to those of BBI. Finally, we deduce as our main, and unexpected, result, a sound and faithful embedding of BI into BBI.

Type
Paper
Information
Mathematical Structures in Computer Science , Volume 19 , Issue 3 , June 2009 , pp. 435 - 500
Copyright
Copyright © Cambridge University Press 2009

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