Balbiani, Philippe
[Author];
Gao, Han
[Author];
Gencer, Çiğdem
[Author];
Olivetti, Nicola
[Author]
;
Philippe Balbiani and Han Gao and Çiğdem Gencer and Nicola Olivetti
[Contributor]
A Natural Intuitionistic Modal Logic: Axiomatization and Bi-Nested Calculus
Footnote:
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Description:
We introduce FIK, a natural intuitionistic modal logic specified by Kripke models satisfying the condition of forward confluence. We give a complete Hilbert-style axiomatization of this logic and propose a bi-nested calculus for it. The calculus provides a decision procedure as well as a countermodel extraction: from any failed derivation of a given formula, we obtain by the calculus a finite countermodel of it directly.