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Unification and Passive Inference Rules for Modal Logics

 

作者: V.V. Rybakov,   M. Terziler,   C. Gencer,  

 

期刊: Journal of Applied Non-Classical Logics  （Taylor Available online 2000）
卷期: Volume 10, issue 3-4  

页码: 369-377

 

ISSN:1166-3081

 

年代: 2000

 

DOI:10.1080/11663081.2000.10511004

 

出版商: Taylor & Francis Group

 

关键词: unification;unifier;inference rules;modal logics;superintuitionistic logics

 

数据来源: Taylor

 

摘要:

We1study unification of formulas in modal logics and consider logics which are equivalent w.r.t. unification of formulas. A criteria is given for equivalence w.r.t. unification via existence or persistent formulas. A complete syntactic description of all formulas which are non-unifiable in wide classes of modal logics is given. Passive inference rules are considered, it is shown that in any modal logic over D4 there is a finite basis for passive rules.

 

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