A representation of proper BC domains based on conjunctive sequent calculi

A representation of proper BC domains based on conjunctive sequent calculi
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基于合取顺序演算的真 BC 域的表示

DOI:
10.1017/s096012951900015x
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发表时间:
2019-10
影响因子:
0.5
通讯作者:
Li Qingguo
Li Qingguo
中科院分区:
计算机科学4区
文献类型:
--
作者:
Wang Longchun;Li Qingguo

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摘要我们建立了一个逻辑系统--合取命题演算,它是经典命题演算在证明论意义下的合取部分。证明了一类特殊的相容合取BC演算公式构成一个无最大元的有界完全连续域(简称真BC域),并由此得到每个真BC域.更一般地,我们将合取后果关系表示为一致合取相继演算之间的态射,并建立一个与具有斯科特连续函数的真BC域等价的范畴。给出了真BC整环的纯句法形式的一个逻辑刻画。
Abstract We build a logical system named a conjunctive sequent calculus which is a conjunctive fragment of the classical propositional sequent calculus in the sense of proof theory. We prove that a special class of formulae of a consistent conjunctive sequent calculus forms a bounded complete continuous domain without greatest element (for short, a proper BC domain), and each proper BC domain can be obtained in this way. More generally, we present conjunctive consequence relations as morphisms between consistent conjunctive sequent calculi and build a category which is equivalent to that of proper BC domains with Scott-continuous functions. A logical characterization of purely syntactic form for proper BC domains is obtained.
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