经典逻辑的局部性
Locality for Classical Logic
摘要:
在本文中,我们将看到演绎系统的经典命题和谓词逻辑的演算结构。像随机系统一样,它们有一个可接受的截规则。此外,它们具有自顶向下的对称性和一些在微积分中不可用的导子的标准形式。同一性公理、切割、弱化和收缩都可以被简化为原子形式。这导致规则是局部的:它们不需要检查无限大小的表达式。
英文摘要:
In this paper we will see deductive systems for classical propositional and predicate logic in the calculus of structures. Like sequent systems, they have a cut rule which is admissible. In addition, they enjoy a top-down symmetry and some normal forms for derivations that are not available in the sequent calculus. Identity axiom, cut, weakening and also contraction can be reduced to atomic form. This leads to rules that are local: they do not require the inspection of expressions of unbounded size.
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