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arXiv 1005.2340cs.LO
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Classical BI的语义和证明理论

Classical BI: Its Semantics and Proof Theory

James Brotherston, Cristiano Calcagno

摘要:

我们提出了经典BI(CBI),一个新的除了家庭的聚束逻辑,起源于O 'Hearn和Pym的逻辑聚束蕴涵BI。CBI与现有的集束逻辑的不同之处在于,它的乘法连接词表现为经典的而不是直觉的(特别是经典否定的乘法版本)。在语义层面上,CBI公式具有正常的成束逻辑,读作关于资源的声明性语句,但其资源模型必然比其他成束逻辑具有更多的结构;原则上,它们满足每个资源都有唯一对偶的要求。在证明理论的层面上,一个非常自然的形式主义为CBI提供了一个显示演算à la Belnap,它可以被看作是一个概括的集束的BBI演算。在本文中,我们制定了上述模型理论和CBI的证明理论,并证明了一些基本结果的逻辑,最显着的完整性证明理论的语义。

英文摘要:

We present Classical BI (CBI), a new addition to the family of bunched logics which originates in O'Hearn and Pym's logic of bunched implications BI. CBI differs from existing bunched logics in that its multiplicative connectives behave classically rather than intuitionistically (including in particular a multiplicative version of classical negation). At the semantic level, CBI-formulas have the normal bunched logic reading as declarative statements about resources, but its resource models necessarily feature more structure than those for other bunched logics; principally, they satisfy the requirement that every resource has a unique dual. At the proof-theoretic level, a very natural formalism for CBI is provided by a display calculus à la Belnap, which can be seen as a generalisation of the bunched sequent calculus for BI. In this paper we formulate the aforementioned model theory and proof theory for CBI, and prove some fundamental results about the logic, most notably completeness of the proof theory with respect to the semantics.

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