Multi-succedent sequent calculus for intuitionistic epistemic logic

A multi-succedent sequent calculus for intuitionistic epistemic logic (IEL) is introduced in the paper. It is  proved that the structural rules of weakening and contraction and the rule of cut are admissible in the  calculus. It is also proved that any sequent with at most one formula in succedent...

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Bibliographic Details
Main Author: Romas Alonderis
Format: Article
Language:English
Published: Vilnius University Press 2024-12-01
Series:Lietuvos Matematikos Rinkinys
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Online Access:https://ojs.test/index.php/LMR/article/view/37367
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Summary:A multi-succedent sequent calculus for intuitionistic epistemic logic (IEL) is introduced in the paper. It is  proved that the structural rules of weakening and contraction and the rule of cut are admissible in the  calculus. It is also proved that any sequent with at most one formula in succedent is derivable in the  calculus, iff it is derivable in the standard non-multi-succedent sequent calculus of IEL.
ISSN:0132-2818
2335-898X