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cs.LO2026
A Bitopological Approach to Finite Reduction and Bounded Exact-Value Certificates for Fitting's Finite Heyting-valued Modal Logic
Litan Kumar Das, Kumar Sankar Ray, Prakash Chandra Mali
Fitting's finite Heyting-valued modal logic interprets modal formulas over a finite Heyting algebra. We use a relational bitopological representation to obtain a finite-state reduc…
cs.LO2025
Duality for Fitting's Multi-valued Modal logic via bitopology and biVietoris coalgebra
Litan Kumar Das, Kumar Sankar Ray, Prakash Chandra Mali
Fitting's Heyting-valued logic and Heyting-valued modal logic have already been studied from an algebraic viewpoint. In addition to algebraic axiomatizations with the completeness…